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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Superior Quality: Those Hex Screwdriver Bits are made of S2 alloy steel
Specifications: Head Diameter: 40mm / 1
Model: SK35
Thread Length: 35mm/ 1
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4pcs 1.75mm C3/K10 Tungsten Carbide Precision Straight Shank Twist Drill Bit 1"NPT Superior Quality: Those Hex ScrewdriverThe solid carbide drill bit is made of a micro grain tungsten cobalt alloy with an average cobalt content of 6%. It has high hardness (HRC92), wear resistance, heat resistance, high bending strength, and resistance to stick. Provides faster cutting speeds than other substrates and is harder but more brittle. Large and spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches. With good milling
