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12PCS Square Drive Bits Set S2 Alloy Steel Robertson Magnetic Hex Shank #0-#4 Lo
USD 11.74
CNC SECURE FIT TIP Square drill bit set standard size enables deep fit in screw head recess for reduced cam-out and enhanced torque. S2 ALLOY STEEL Square drive bits adopt solid S2 alloy steel, industrial grade hardness HRC60±2, hardened core increases bit strength and reduces fracture.
