{"product_id":"1-37-64-4mt-hss-undersized-shank-taper-shank-drill-bit_dwdts1-37-64-4mt","title":"1-37\/64\" Taper Shank Drill Bit | HSS | 4MT | Undersized Shank | DWDTS1-37\/64-4MT","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e \u003cli\u003eDiameter: 1-37\/64 in (1.578125 in)\u003c\/li\u003e \u003cli\u003eShank: Undersized 4MT Morse Taper\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eType: Taper Shank Drill Bit\u003c\/li\u003e \u003cli\u003eCoating: Not specified\u003c\/li\u003e \u003cli\u003eOverall length: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUndersized shank (4MT) designed for MT4 spindles and restricted bore setups, enabling secure seating in tight-tooling environments.\u003c\/li\u003e \u003cli\u003eLarge-diameter bore capability for drilling substantial holes in metalwork projects.\u003c\/li\u003e \u003cli\u003eHSS construction provides heat tolerance and durability for through-hole drilling in steel, cast iron, and similar metals under standard shop conditions.\u003c\/li\u003e \u003cli\u003eMorse Taper 4 (4MT) shank supports quick tool changes on MT4 spindles.\u003c\/li\u003e \u003cli\u003eUse cases include metal fabrication, maintenance, and general purpose drilling of thick metal sections where a large through-hole is required.\u003c\/li\u003e \u003cli\u003ePractical tips: ensure proper center punching and use appropriate cutting speeds for HSS when drilling steel or cast iron; maintain steady feed to prevent chatter and extend bit life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eShank: Undersized 4MT Morse Taper\u003c\/li\u003e \u003cli\u003eBody: Standard HSS drill bit for metal drilling\u003c\/li\u003e \u003cli\u003eCoating: Not specified\u003c\/li\u003e \u003cli\u003eDiameter: 1-37\/64 in (1.578125 in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312728633623,"sku":"DWDTS1-37\/64-4MT","price":152.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/dwdtsmm5-00_a1e32bae-35d8-4fe4-8d2b-07145fde7848.jpg?v=1771717070","url":"https:\/\/mutualscrew.com\/products\/1-37-64-4mt-hss-undersized-shank-taper-shank-drill-bit_dwdts1-37-64-4mt","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}