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• Cobalt Taper Shank Drills offer increased hardness, toughness and better wear resistance compared to regular HSS
• Gold Oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece
• 135° Notched Point
• Made to fit American Standard (Morse) taper shank holders
• Ideal for tough, high tensile strength steels and stainless steels
• Substrate: Cobalt
• Surface Treatment: Bronze
• Flute Type: Regular SpiralAccusize SKU# FRAC (inch) MTS (inch) DEC (inch) FLT (inch) OA (inch) DR36-031C 31/64 2 0.4844 4-3/8 8-1/4 DR36-032C 1/2 2 0.5 4-3/8 8-1/4 DR36-033C 33/64 2 0.5156 4-5/8 8-1/2 DR36-034C 17/32 2 0.5312 4-5/8 8-1/2 DR36-035C 35/64 2 0.5469 4-7/8 8-3/4 DR36-036C 9/16 2 0.5625 4-7/8 8-3/4 DR36-037C 37/64 2 0.5781 4-7/8 8-3/4 DR36-038C 19/32 2 0.5938 4-7/8 8-3/4 DR36-039C 39/64 2 0.6094 4-7/8 8-3/4 DR36-040C 5/8 2 0.625 4-7/8 8-3/4 DR36-041C 41/64 2 0.6406 5-1/8 9 DR36-042C 21/32 2 0.6562 5-1/8 9-3/4 DR36-043C 43/64 2 0.6719 5-3/8 9-1/4 DR36-044C 11/16 2 0.6875 5-3/8 10 DR36-045C 45/64 2 0.7031 5-5/8 9-1/2 DR36-046C 23/32 2 0.7188 5-5/8 10-1/4 DR36-047C 47/64 2 0.7344 5-7/8 9-3/4 DR36-048C 3/4 2 0.75 5-7/8 10-1/2 DR36-049C 49/64 2 0.7656 6 9-7/8 DR36-050C 25/32 2 0.7801 6 10-3/4