Cobalt Drill Bit Set - 29Pcs M35 HSS Twist Drill Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics with Metal Index Storage Box, 1/16\

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• M35 Cobalt Drill Bit: Premium High Speed Steel M35 (Cobalt 5%) offers superior heat resistance and greater hardness compared to ordinary drill bits. It can extend the tool's service life when drilling hard materials.
• 135° Split Point Design: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip with round straight shank, self-centering to prevent walk-off, make drilling precise and faster.
• Efficient Drilling: Fully Ground twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance.
• Various Sizes: 29 sets of drill bits include "1/16"，5/64"，3/32"，7/64"，1/8"，9/64"，5/32"，11/64"，3/16"，13/64"，7/32"，15/64"，1/4"，17/64"，9/32"，19/64"，5/16"，21/64"，11/32"，23/64"，3/8"，25/64"，13/32"，27/64"，7/16"，29/64"，15/32"，31/64"，1/2", can meet more needs.
• Widely Used: M35 Cobalt High Speed Steel is more suitable for tough, high tensile strength material. Particularly successful in cutting harden metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods.
• Set Includes: The set includes 29Pcs (1/16"-1/2") Cobalt Drill Bits, This cobalt drill bit also includes the drill bit holder with size index for easy storage and organizing.

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