{"product_id":"1-5-8-4mt-hss-undersized-shank-taper-shank-drill-bit_dwdts1-5-8-4mt","title":"1-5\/8\" Taper Shank Drill Bit | HSS | 4MT | Undersized Shank | DWDTS1-5\/8-4MT","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 1-5\/8\" (41.3 mm)\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eShank: Undersized 4MT taper (Morse Taper #4)\u003c\/li\u003e \u003cli\u003eType: Taper Shank Drill Bit\u003c\/li\u003e \u003cli\u003eQuantity: 1\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eThe \u003cstrong\u003e[1 PC] 1-5\/8\" 4MT HSS Undersized Shank Taper Shank Drill Bit\u003c\/strong\u003e uses HSS construction to resist heat and extend service life when drilling metal.\u003c\/li\u003e \u003cli\u003eUndersized shank design provides a smaller profile while preserving a 1-5\/8\" flute diameter for a single-pass hole in thick materials when feeds are properly set.\u003c\/li\u003e \u003cli\u003eLarge-diameter bit enables material removal quickly in thick metals, reducing cycle time in fabrication workflows.\u003c\/li\u003e \u003cli\u003e4MT taper geometry defines the shank shape and dimensions for use in MT4-style tooling setups.\u003c\/li\u003e \u003cli\u003eIdeal for fabricating large-diameter holes in thick metal plates, beams, and structural components where a single-pass approach is advantageous.\u003c\/li\u003e \u003cli\u003ePractical tips: use cutting fluid to manage heat, maintain appropriate feeds to minimize deflection, and start with conservative speeds when drilling unfamiliar alloys.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eShank: Undersized 4MT taper\u003c\/li\u003e \u003cli\u003eWorking diameter: 1-5\/8\" (41.3 mm)\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312728731927,"sku":"DWDTS1-5\/8-4MT","price":134.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/dwdtsmm5-00_f5130971-57fa-4e6a-aac6-c95f5b2937a0.jpg?v=1771717076","url":"https:\/\/mutualscrew.com\/products\/1-5-8-4mt-hss-undersized-shank-taper-shank-drill-bit_dwdts1-5-8-4mt","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}