{"product_id":"5-8-21-threaded-shank-stop-countersink-1-4-28-threaded-shank-hss_tsc5-8-21","title":"5\/8\"-#21 Threaded Shank Stop Countersink | HSS | 1\/4\"-28 Threaded Shank | TSC5\/8-21","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial stop countersinks with threaded shanks are designed for precise, depth-controlled countersinking in metalworking environments. These tools provide secure shank engagement with standard tool holders and fixtures for consistent machining results.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eBody Diameter:\u003c\/b\u003e 5\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e HSS\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThreaded Shank Options:\u003c\/b\u003e #21 threaded shank; 1\/4-28 threaded shank\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDepth stop:\u003c\/b\u003e Depth-control countersink geometry enables consistent seating depth across workpieces.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility:\u003c\/b\u003e Two standard threaded shank formats (#21 and 1\/4-28) for compatibility with common tool holders and automation.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial performance:\u003c\/b\u003e HSS construction provides elevated wear resistance and heat tolerance during high-speed countersinking in metal.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIndustrial use cases:\u003c\/b\u003e Suitable for precision countersinking in automotive, aerospace, and general metal fabrication workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412458135831,"sku":"TSC5\/8-21","price":15.19,"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\/5-8-21-threaded-shank-stop-countersink-1-4-28-threaded-shank-hss_tsc5-8-21","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}