{"product_id":"3-8-30-threaded-shank-stop-countersink-1-4-28-threaded-shank-hss_tsc3-8-30","title":"3\/8\"-#30 Threaded Shank Stop Countersink | HSS | 1\/4\"-28 Threaded Shank | TSC3\/8-30","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial stop countersinks with threaded shanks deliver precise countersinking depth and secure tool retention in metal fabrication workflows. These tools enable repeatable chamfers and compatible integration with CNC mills, drill presses, and automated production lines.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Shank diameter options of 3\/8 inch and 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread type\u003c\/b\u003e: 3\/8 inch shank with #30 thread; 1\/4 inch shank with #28 thread\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDepth stop\u003c\/b\u003e: Integrated stop provides repeatable countersink depth for each hole, improving edge quality and consistency in metal fabrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThreaded shank retention\u003c\/b\u003e: Threaded shank design enables secure seating in chucks and collets, reducing runout and enabling quick tool changes in automated setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High-speed steel construction delivers wear resistance at typical machining speeds and supports long tool life in aluminum, mild steel, and nonferrous alloys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Suitable for precision countersinking and chamfering in sheet metal, brackets, enclosures, and machined components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412456988951,"sku":"TSC3\/8-30","price":9.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/7.jpg?v=1779454687","url":"https:\/\/mutualscrew.com\/products\/3-8-30-threaded-shank-stop-countersink-1-4-28-threaded-shank-hss_tsc3-8-30","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}