{"product_id":"3-8-5-16-threaded-shank-stop-countersink-1-4-28-threaded-shank-hss_tsc3-8-5-16","title":"3\/8\"-5\/16\" Threaded Shank Stop Countersink | HSS | 1\/4\"-28 Threaded Shank | TSC3\/8-5\/16","description":"\u003cdiv\u003e\n\u003cp\u003eProfessional stop countersinks with threaded shanks enable depth-controlled countersinking for metalworking applications. These tools mount securely on machine spindles or fixtures to deliver consistent flush finishes and repeatable results in industrial environments.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThread type\u003c\/b\u003e: 1\/4\"-28\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 control\u003c\/b\u003e: Stop collar provides precise countersink depth, ensuring flush seating for screw heads and preventing over-penetration on metal surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThreaded shank\u003c\/b\u003e: Threaded interface enables secure mounting on compatible chucks, adapters, or machine fixtures, reducing runout and vibration during operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial performance\u003c\/b\u003e: High Speed Steel offers wear resistance and heat tolerance for long tool life when countersinking ferrous and non-ferrous metals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Suitable for precision fabrication, machine shop assembly, and field servicing requiring repeatable countersink depth and uniform surface finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412457971991,"sku":"TSC3\/8-5\/16","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\/3-8-5-16-threaded-shank-stop-countersink-1-4-28-threaded-shank-hss_tsc3-8-5-16","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}