{"title":"Chamfer \u0026 Countersink Gages","description":"\u003cp\u003eWESTport supplies direct-reading chamfer and countersink gages from The L.S. Starrett Company and BARCOR Gages. Both families read a chamfer or countersink diameter straight off the instrument, with no arithmetic and — for the chamfer gages — no setting master, which makes a notoriously awkward feature quick to inspect at the machine.\u003c\/p\u003e\n\u003ch2\u003eChamfer Gage or Countersink Gage?\u003c\/h2\u003e\n\u003cp\u003eThe distinction matters, and choosing wrong gives a wrong number:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA \u003cstrong\u003echamfer gage\u003c\/strong\u003e works across a band of included angles and seats on the top edge of the chamfer. Internal gages read the largest diameter of the chamfer; external gages read the smallest.\u003c\/li\u003e\n\u003cli\u003eA \u003cstrong\u003ecountersink gage\u003c\/strong\u003e is cut to one exact included angle and seats on the angular face, reading the large (major) diameter of the countersink. Use it whenever the print specifies a countersink angle — 82° for inch flat-head fasteners, 90° for metric, 100° for aerospace flush-fastener work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy Chamfer \u0026amp; Countersink Gages from WESTport?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStarrett 683, 684 and 685 Series chamfer gages — internal 0-90° and 90-127°, external 0-90°\u003c\/li\u003e\n\u003cli\u003eStarrett 687, 688 and 689 Series countersink gages — 82°, 90° and 100°\u003c\/li\u003e\n\u003cli\u003eBARCOR 1090 and 1090-SPC chamfer gages, dial and electronic\u003c\/li\u003e\n\u003cli\u003eBARCOR 82° countersink gages in six ranges\u003c\/li\u003e\n\u003cli\u003eDirect-reading instruments — no setting master needed on the chamfer gages\u003c\/li\u003e\n\u003cli\u003eElectronic and SPC-output versions available for data collection\u003c\/li\u003e\n\u003cli\u003eMetric-reading dials, special angles and solid carbide plungers available on request\u003c\/li\u003e\n\u003cli\u003eISO\/IEC 17025 accredited calibration services available\u003c\/li\u003e\n\u003cli\u003eTechnical product assistance from our metrology team\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContact WESTport for pricing and current availability.\u003c\/p\u003e","products":[{"product_id":"starrett-683-internal-chamfer-gage","title":"Starrett 683 Series Internal Chamfer Gage — 0-90°","description":"\u003cp\u003eThe Starrett 683 Series internal chamfer gage reads the diameter of a chamfered hole directly, with no setting master and no arithmetic. It covers internal chamfers with an included angle anywhere in the 0-90° range, which takes in the great majority of production chamfers and lead-ins.\u003c\/p\u003e\n\u003ch2\u003eHow It Reads\u003c\/h2\u003e\n\u003cp\u003eThe gage is a direct-measure instrument. Pressed against a flat surface, it should read the set number stamped on the back of the indicator; if wear moves that reading, the gage can be adjusted back to the proper number rather than being sent out for reset. Dropped into a chamfer, the three-blade plunger locates on the chamfer face and the AGD dial reports the chamfer diameter itself.\u003c\/p\u003e\n\u003cp\u003eAn internal gage measures the \u003cstrong\u003elargest\u003c\/strong\u003e diameter of any chamfer whose included angle falls within the range printed on the dial face.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Range\u003c\/h2\u003e\n\u003cp\u003eFour inch-reading ranges cover 0-3\/8\", 0-1\/2\", 0-1\" and 1-2\". Choose the range that brackets the chamfer diameter being inspected — the 0-1\" (683-3Z) is the general-purpose choice for most machine-shop work, while 1-2\" (683-4Z) covers larger bores and 0-3\/8\" (683-1Z) the small fastener holes.\u003c\/p\u003e\n\u003ch2\u003eAngle Coverage and the 684 Series\u003c\/h2\u003e\n\u003cp\u003eThe 683 Series covers 0-90° included angles. For internal chamfers between 90° and 127° — shallower, wider lead-ins — use the \u003ca href=\"\/products\/starrett-684-internal-chamfer-gage\"\u003eStarrett 684 Series\u003c\/a\u003e, which is the same instrument with a yellow-dial 90-127° range. For chamfers on an outside diameter rather than in a hole, see the \u003ca href=\"\/products\/starrett-685-external-chamfer-gage\"\u003eStarrett 685 Series external chamfer gage\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eMachined and bored hole inspection, deburring and lead-in verification, fastener and dowel hole qualification, incoming inspection, first-article and in-process quality control.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":"0-3\/8\"","offer_id":51285612789796,"sku":"683-1Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"0-1\/2\"","offer_id":51285612822564,"sku":"683-2Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"0-1\"","offer_id":51285612855332,"sku":"683-3Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"1-2\"","offer_id":51285612888100,"sku":"683-4Z","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/Starrett_683-3Z.png?v=1787162919"},{"product_id":"starrett-684-internal-chamfer-gage","title":"Starrett 684 Series Internal Chamfer Gage — 90-127°","description":"\u003cp\u003eThe Starrett 684 Series is the wide-angle internal chamfer gage: same direct-measure instrument as the 683, with the dial calibrated for included angles from 90° to 127°. It is the gage to reach for when a chamfer is shallow and wide rather than a conventional 45°-per-side lead-in.\u003c\/p\u003e\n\u003ch2\u003eHow It Reads\u003c\/h2\u003e\n\u003cp\u003eLike every gage in the Starrett chamfer family, the 684 needs no setting master. Pressed against a flat surface it should read the set number stamped on the back of the indicator, and it can be adjusted back to that number as the blades wear. The three-blade plunger locates on the chamfer face and the AGD dial reports chamfer diameter directly.\u003c\/p\u003e\n\u003cp\u003eAn internal gage measures the \u003cstrong\u003elargest\u003c\/strong\u003e diameter of any chamfer whose included angle falls within the range printed on the dial face.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Range\u003c\/h2\u003e\n\u003cp\u003eFour inch-reading ranges cover 0-3\/8\", 0-1\/2\", 0-1\" and 1-2\". Select the range that brackets the diameter under inspection.\u003c\/p\u003e\n\u003ch2\u003e683 or 684?\u003c\/h2\u003e\n\u003cp\u003eThe two series differ only in the angle band on the dial. Use the \u003ca href=\"\/products\/starrett-683-internal-chamfer-gage\"\u003e683 Series\u003c\/a\u003e for included angles of 0-90°, and the 684 for 90-127°. If the print calls a specific countersink angle — 82°, 90° or 100° — a \u003ca href=\"\/collections\/chamfer-gages\"\u003ecountersink gage\u003c\/a\u003e that seats on the angular face is the better instrument, because it reads the large diameter of the countersink rather than the chamfer edge.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eWide lead-in and shallow chamfer inspection, valve and seat work, hydraulic and pneumatic port qualification, incoming and in-process inspection.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":"0-3\/8\"","offer_id":51285612986404,"sku":"684-1Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"0-1\/2\"","offer_id":51285613019172,"sku":"684-2Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"0-1\"","offer_id":51285613051940,"sku":"684-3Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"1-2\"","offer_id":51285613084708,"sku":"684-4Z","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/STARRETT_684-3Z_INTERNAL_CHAMFER_GAGE.png?v=1787162925"},{"product_id":"starrett-685-external-chamfer-gage","title":"Starrett 685 Series External Chamfer Gage — 0-90°","description":"\u003cp\u003eThe Starrett 685 Series measures chamfers on an outside diameter — the lead-in on a shaft, pin, stud or turned boss — rather than in a hole. It is a direct-measure gage: no setting master, no calculation, the dial reads chamfer diameter.\u003c\/p\u003e\n\u003ch2\u003eHow It Reads\u003c\/h2\u003e\n\u003cp\u003eAn external gage measures the \u003cstrong\u003esmallest\u003c\/strong\u003e diameter of any chamfer whose included angle falls within the range printed on the dial face. (The internal 683\/684 gages measure the largest diameter — the two conventions are opposite, and the dial face states which applies.)\u003c\/p\u003e\n\u003cp\u003ePressed against a flat surface the gage should read the set number stamped on the back of the indicator, and can be adjusted back to it as the blades wear. All ground surfaces are hardened tool steel and the indicator is AGD design.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Range\u003c\/h2\u003e\n\u003cp\u003eThree inch-reading ranges cover 1\/8-1\/2\", 3\/16-1\" and 1-2\". Note the overlap between the first two — 3\/16-1\" (685-2Z) is the broad general-purpose range, while 1\/8-1\/2\" (685-1Z) resolves small-diameter work.\u003c\/p\u003e\n\u003ch2\u003eAngle Coverage\u003c\/h2\u003e\n\u003cp\u003eThe 685 covers 0-90° included angles. The 686 Series is the 90-127° external equivalent and can be quoted on request. For chamfers inside a hole, use the \u003ca href=\"\/products\/starrett-683-internal-chamfer-gage\"\u003e683\u003c\/a\u003e (0-90°) or \u003ca href=\"\/products\/starrett-684-internal-chamfer-gage\"\u003e684\u003c\/a\u003e (90-127°) internal gages.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eTurned shaft and pin lead-in inspection, stud and fastener chamfer verification, assembly-fit troubleshooting, incoming and in-process inspection.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":"1\/8-1\/2\"","offer_id":51285613117476,"sku":"685-1Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"3\/16-1\"","offer_id":51285613150244,"sku":"685-2Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":"1-2\"","offer_id":51285613183012,"sku":"685-3Z","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/STARRETT_685_EXTERNAL_CHAMFER_GAGE.png?v=1787162931"},{"product_id":"starrett-687-countersink-gage-82-degree","title":"Starrett 687 Series Countersink Gage — 82°","description":"\u003cp\u003eThe Starrett 687 Series reads the large diameter of an 82° countersink directly, in .002\" increments. Unlike a chamfer gage, which seats on the top edge of the chamfer, a countersink gage seats on the angular face — so it measures the countersink the way the print specifies it and the way a fastener will actually sit in it.\u003c\/p\u003e\n\u003ch2\u003eWhy 82°\u003c\/h2\u003e\n\u003cp\u003e82° is the standard included angle for inch flat-head screws, which makes the 687 the countersink gage for most imperial fastener work. Starrett offers the same gage in \u003ca href=\"\/products\/starrett-688-countersink-gage-90-degree\"\u003e90°\u003c\/a\u003e and \u003ca href=\"\/products\/starrett-689-countersink-gage-100-degree\"\u003e100°\u003c\/a\u003e so the cone matches the countersink being inspected — the angle is not adjustable, and using the wrong angle gives a wrong diameter.\u003c\/p\u003e\n\u003ch2\u003eHow It Reads\u003c\/h2\u003e\n\u003cp\u003eA set master ring is furnished with each gage for calibration and setting. Press the button on top of the indicator to firmly depress the gage head into the countersink; when the gage is lifted out, the reading is held until the reset button is activated. That hold makes the gage practical one-handed at the machine, where reading the dial in position is often impossible.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Range\u003c\/h2\u003e\n\u003cp\u003eFour inch-reading ranges cover .020-.170\", .160-.360\", .360-.560\" and .560-.780\". Select the range that brackets the countersink's large diameter.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eAerospace and sheet-metal flush-fastener inspection, riveted assembly qualification, machined countersink verification, incoming and in-process inspection.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":".020-.170\"","offer_id":51285613248548,"sku":"687-1Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".160-.360\"","offer_id":51285613281316,"sku":"687-2Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".360-.560\"","offer_id":51285613314084,"sku":"687-3Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".560-.780\"","offer_id":51285613346852,"sku":"687-4Z","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/STARRETT_687_COUNTERSINK_GAGE_82_Degrees.png?v=1787162935"},{"product_id":"starrett-688-countersink-gage-90-degree","title":"Starrett 688 Series Countersink Gage — 90°","description":"\u003cp\u003eThe Starrett 688 Series reads the large diameter of a 90° countersink directly, in .002\" increments. The gage head seats on the angular face of the countersink rather than on its top edge, so the reading corresponds to the countersink as specified rather than to the surface break.\u003c\/p\u003e\n\u003ch2\u003eWhy 90°\u003c\/h2\u003e\n\u003cp\u003e90° is the standard included angle for metric flat-head screws and for a great deal of commercial and general machining practice. Starrett offers the same instrument in \u003ca href=\"\/products\/starrett-687-countersink-gage-82-degree\"\u003e82°\u003c\/a\u003e for inch flat-head fasteners and \u003ca href=\"\/products\/starrett-689-countersink-gage-100-degree\"\u003e100°\u003c\/a\u003e for aerospace work. The cone is fixed — match the gage angle to the countersink angle.\u003c\/p\u003e\n\u003ch2\u003eHow It Reads\u003c\/h2\u003e\n\u003cp\u003eEach gage is furnished with a set master ring for calibration and setting. Press the button on top of the indicator to depress the gage head firmly into the countersink; the reading is held when the gage is withdrawn, until the reset button is activated.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Range\u003c\/h2\u003e\n\u003cp\u003eFour inch-reading ranges cover .020-.170\", .160-.360\", .360-.560\" and .560-.780\". Select the range that brackets the countersink's large diameter.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eMetric fastener countersink inspection, machined and cast-housing qualification, assembly-fit verification, incoming and in-process inspection.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":".020-.170\"","offer_id":51285613412388,"sku":"688-1Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".160-.360\"","offer_id":51285613445156,"sku":"688-2Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".360-.560\"","offer_id":51285613477924,"sku":"688-3Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".560-.780\"","offer_id":51285613510692,"sku":"688-4Z","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/STARRETT_688_COUNTERSINK_GAGE_90.png?v=1787162941"},{"product_id":"starrett-689-countersink-gage-100-degree","title":"Starrett 689 Series Countersink Gage — 100°","description":"\u003cp\u003eThe Starrett 689 Series reads the large diameter of a 100° countersink directly, in .002\" increments. As with the rest of the Starrett countersink family, the gage head seats on the angular face of the countersink, so the reading reflects the countersink itself rather than the edge break.\u003c\/p\u003e\n\u003ch2\u003eWhy 100°\u003c\/h2\u003e\n\u003cp\u003e100° countersinks appear throughout aerospace flush-fastener practice, where the shallower cone spreads bearing load over thin skins. Starrett's \u003ca href=\"\/products\/starrett-687-countersink-gage-82-degree\"\u003e82°\u003c\/a\u003e and \u003ca href=\"\/products\/starrett-688-countersink-gage-90-degree\"\u003e90°\u003c\/a\u003e gages cover inch and metric flat-head work respectively. The angle is fixed per gage — the countersink angle on the print determines which gage to use.\u003c\/p\u003e\n\u003ch2\u003eHow It Reads\u003c\/h2\u003e\n\u003cp\u003eA set master ring is furnished with each gage for calibration and setting. Press the button on top of the indicator to depress the gage head into the countersink; the reading holds when the gage is removed until reset.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Range\u003c\/h2\u003e\n\u003cp\u003eFour inch-reading ranges cover .020-.170\", .160-.360\", .360-.560\" and .560-.780\". Select the range that brackets the countersink's large diameter.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eAerospace skin and structure flush-fastener inspection, rivet and Hi-Lok countersink qualification, airframe assembly verification, incoming and in-process inspection.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":".020-.170\"","offer_id":51285614886948,"sku":"689-1Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".160-.360\"","offer_id":51285614919716,"sku":"689-2Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".360-.560\"","offer_id":51285614952484,"sku":"689-3Z","price":0.01,"currency_code":"USD","in_stock":true},{"title":".560-.780\"","offer_id":51285614985252,"sku":"689-4Z","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/STARRETT_689_COUNTERSINK_GAGE_100.png?v=1787162946"},{"product_id":"barcor-1090-internal-chamfer-gage","title":"BARCOR 1090 Internal Chamfer Gage — 0-90°","description":"\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures the top (major) diameter of a chamfer, countersink or tapered hole\u003c\/li\u003e\n\u003cli\u003e0-1\" capacity\u003c\/li\u003e\n\u003cli\u003e0-90° included angle range\u003c\/li\u003e\n\u003cli\u003e±.001\" accuracy\u003c\/li\u003e\n\u003cli\u003eSpring-loaded exact-angle gaging plunger\u003c\/li\u003e\n\u003cli\u003eDirect dial reading — no calculation required\u003c\/li\u003e\n\u003cli\u003eNo setting master required\u003c\/li\u003e\n\u003cli\u003eSolid carbide plunger available with a lifetime warranty\u003c\/li\u003e\n\u003cli\u003eAvailable in a .0001\"-reading Super version\u003c\/li\u003e\n\u003cli\u003eNIST certification letter available\u003c\/li\u003e\n\u003cli\u003eMade in the USA by BARCOR Gages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe BARCOR 1090 is a dial chamfer gage that reads the top — major — diameter of a chamfer, countersink or tapered hole directly, over a 0-1\" capacity and a 0-90° included angle range.\u003c\/p\u003e\n\u003ch2\u003eDirect Reading, No Master\u003c\/h2\u003e\n\u003cp\u003eA spring-loaded, exact-angle gaging plunger seats in the chamfer and drives the dial, so the number on the dial is the diameter on the print. No setting master is needed to use the gage, which removes a step and a source of error from a measurement that is otherwise awkward to take.\u003c\/p\u003e\n\u003cp\u003eAccuracy is ±.001\" across the 0-90° models.\u003c\/p\u003e\n\u003ch2\u003eVersions and Options\u003c\/h2\u003e\n\u003cp\u003eThe 1090 is the dial version. The \u003ca href=\"\/products\/barcor-1090-spc-electronic-chamfer-gage\"\u003e1090-SPC\u003c\/a\u003e is the same gage with an electronic indicator, .0002\"\/.005 mm switchable resolution and SPC data output for statistical process control. A .0001\"-reading Super version, metric-reading dials, a solid carbide plunger carrying a lifetime warranty and a NIST certification letter are all available — ask when requesting a quote.\u003c\/p\u003e\n\u003ch2\u003eBARCOR or Starrett?\u003c\/h2\u003e\n\u003cp\u003eBoth read chamfer diameter directly. The BARCOR uses a single exact-angle conical plunger; the \u003ca href=\"\/products\/starrett-683-internal-chamfer-gage\"\u003eStarrett 683\u003c\/a\u003e uses a three-blade plunger and ships in a padded case with a wider set of inch ranges. Where a print calls a specific countersink angle, a \u003ca href=\"\/products\/barcor-82-degree-countersink-gage\"\u003ecountersink gage\u003c\/a\u003e cut to that angle is the more appropriate instrument.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eChamfer and countersink diameter inspection, tapered-hole measurement, deburring verification, in-process and final inspection.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":"Default Title","offer_id":51285615050788,"sku":"1090","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/BARCOR_1090_INTERNAL_CHAMFER_GAGE.png?v=1787162950"},{"product_id":"barcor-1090-spc-electronic-chamfer-gage","title":"BARCOR 1090-SPC Electronic Chamfer Gage — 0-90°","description":"\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eElectronic readout with SPC data output\u003c\/li\u003e\n\u003cli\u003e.0002\" \/ .005 mm switchable resolution\u003c\/li\u003e\n\u003cli\u003eInch and metric switchable\u003c\/li\u003e\n\u003cli\u003e0-1\" \/ 0-25 mm capacity\u003c\/li\u003e\n\u003cli\u003e0-90° included angle range\u003c\/li\u003e\n\u003cli\u003e±.001\" accuracy\u003c\/li\u003e\n\u003cli\u003eMeasures the top (major) diameter of a chamfer, countersink or tapered hole\u003c\/li\u003e\n\u003cli\u003eSpring-loaded exact-angle gaging plunger\u003c\/li\u003e\n\u003cli\u003eNo setting master required\u003c\/li\u003e\n\u003cli\u003eSolid carbide plunger available with a lifetime warranty\u003c\/li\u003e\n\u003cli\u003eNIST certification letter available\u003c\/li\u003e\n\u003cli\u003eMade in the USA by BARCOR Gages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe BARCOR 1090-SPC is the electronic version of the 1090 chamfer gage: the same spring-loaded exact-angle gaging plunger and 0-1\" \/ 0-25 mm capacity, with a digital indicator reading to .0002\" \/ .005 mm and an SPC output for data collection.\u003c\/p\u003e\n\u003ch2\u003eWhy the Electronic Version\u003c\/h2\u003e\n\u003cp\u003eTwo reasons to specify the SPC model over the dial. First resolution: .0002\" against .001\" on the dial gage, which matters where chamfer diameter is a controlled feature rather than a check. Second data: the SPC output sends readings straight to a data collector or gaging computer, so chamfer measurements enter the record without being transcribed — the point at which hand-logged inspection data usually goes wrong.\u003c\/p\u003e\n\u003cp\u003eAccuracy is ±.001\", and the readout switches between inch and metric.\u003c\/p\u003e\n\u003ch2\u003eWhat It Measures\u003c\/h2\u003e\n\u003cp\u003eThe top — major — diameter of a chamfer, countersink or tapered hole, across a 0-90° included angle range. No setting master is required.\u003c\/p\u003e\n\u003ch2\u003eOptions\u003c\/h2\u003e\n\u003cp\u003eA solid carbide plunger carrying a lifetime warranty is available for high-volume or abrasive-material work, as is a NIST certification letter. If a dial readout is sufficient, the \u003ca href=\"\/products\/barcor-1090-internal-chamfer-gage\"\u003eBARCOR 1090\u003c\/a\u003e is the same gage without the electronics.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eSPC-controlled chamfer and countersink inspection, high-volume production monitoring, tapered-hole measurement, capability studies and gage R\u0026amp;R work.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":"Default Title","offer_id":51285615083556,"sku":"1090-SPC","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/BARCOR_1090-SPC_ELECTRONIC_CHAMFER_GAGE.png?v=1787162956"},{"product_id":"barcor-82-degree-countersink-gage","title":"BARCOR 82° Countersink Gage","description":"\u003cp\u003eThe BARCOR 82° countersink gage reads the major diameter of a countersink directly, in .002\" diameter increments, to ±.0005\" accuracy. The gaging plunger is cut to an exact 82° — the standard included angle for inch flat-head fasteners — so it seats on the countersink's angular face and reads the dimension the print calls out.\u003c\/p\u003e\n\u003ch2\u003eOne-Revolution Dial\u003c\/h2\u003e\n\u003cp\u003eThe dial completes a single revolution across the gage's range, so there are no turns to count and no ambiguity about which mark is being read. Each gage ships with a calibrated setting ring for setting and checking the gage before use.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Range\u003c\/h2\u003e\n\u003cp\u003eSix ranges cover .020-.170\", .160-.360\", .360-.560\", .560-.780\", .780-.980\" and .980-1.180\". Select the range that brackets the countersink's major diameter; the ranges overlap slightly at each step, so a diameter close to a boundary can be read on either gage.\u003c\/p\u003e\n\u003ch2\u003eOther Angles and Options\u003c\/h2\u003e\n\u003cp\u003eBARCOR builds the same gage in 30°, 60°, 90°, 100°, 110° and 120°, and to special angles including 15°, 78°, 127°, 130°, 160° and anything from 0° to 180°. Electronic (-SPC), metric (-M) and solid-carbide-plunger (-CF, lifetime warranty) versions are available, as is a NIST certification letter. Ask when requesting a quote.\u003c\/p\u003e\n\u003ch2\u003eCountersink Gage or Chamfer Gage?\u003c\/h2\u003e\n\u003cp\u003eA countersink gage seats on the angular side of the countersink and is cut to one specific angle. A chamfer gage such as the \u003ca href=\"\/products\/barcor-1090-internal-chamfer-gage\"\u003eBARCOR 1090\u003c\/a\u003e works across a band of angles and reads on the top edge. If the print specifies a countersink angle, use the countersink gage cut to it.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eInch flat-head fastener countersink inspection, sheet-metal and riveted assembly qualification, machined countersink verification, incoming and in-process inspection.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":".020-.170\"","offer_id":51285615116324,"sku":"82-0","price":0.01,"currency_code":"USD","in_stock":true},{"title":".160-.360\"","offer_id":51285615149092,"sku":"82-1","price":0.01,"currency_code":"USD","in_stock":true},{"title":".360-.560\"","offer_id":51285615181860,"sku":"82-2","price":0.01,"currency_code":"USD","in_stock":true},{"title":".560-.780\"","offer_id":51285615214628,"sku":"82-3","price":0.01,"currency_code":"USD","in_stock":true},{"title":".780-.980\"","offer_id":51285615247396,"sku":"82-4","price":0.01,"currency_code":"USD","in_stock":true},{"title":".980-1.180\"","offer_id":51285615280164,"sku":"82-5","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/BARCOR_82_COUNTERSINK_GAGE.png?v=1787162962"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/collections\/chamfer-gages_hero.png?v=1787163506","url":"https:\/\/westportcorp.com\/collections\/chamfer-gages.oembed","provider":"WESTport","version":"1.0","type":"link"}