Hex Shank Cobalt Drill Bit Set 63Pcs 1/16"-1/2", M35 HSS Twist Impact Drill Bits for Metal and Hardened Steel, with Indexed Storage Case

Cobalt M35 Material: High cost, but hardness is up to HRC67, heat resistant, cut faster and has a long life, up to 12 times compared with the average HSS titanium coated bit Solid Bonding 1/4 Hex Shank: There are more advantages compared to old hex shank drill bits: 1. The bit will not break loose from the hex shank base；2. These drill bits run straight and true Shank Not Easily Shaken Off: 5 times higher torque compared to the old hex shank, eliminates radial runout and improves concentricity, Higher impact-rated accuracy Wide Range Of Applications:This product drill through hard metals such as stainless steel, cast iron, zinc alloy, etc., while the HSS titanium-plated version you usually see can only be used on soft materials such as wood and plastic Longer Life: Because of the above advantages, you don't have to buy drill bits to replace them often, saving your energy and money, it's worth the extra cost and possess this set of high-quality drill bits 63Pcs Commonly Used Sizes：1/16x6Pcs, 5/64x6Pcs, 3/32x6Pcs, 7/64x5Pcs, 1/8x6Pcs, 9/64x3Pcs, 5/32x4Pcs, 11/64x2Pcs, 3/16x4Pcs, 13/64x2Pcs, 7/32x3Pcs, 15/64x2Pcs, 1/4x4Pcs, 17/64x2Pcs, 9/32x2Pcs, 5/16x2Pcs, 3/8x2Pcs 7/16x1Pcs 1/2x1Pcs（The more frequently used the drill model, the greater the number of）

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