Hex Head Allen Wrench Drill Bit 4mm 5mm 6mm

Hex key bits that go in your drill or driver, so you can drive hex bolts in fast, rather than twisting by hand.

Each pack has 2 pieces of one size. The 6-piece set has all three sizes in both lengths.

• Hex tip sizes: 4mm, 5mm or 6mm.
• Lengths: 50mm or 100mm. The 100mm bit reaches into deep slots and tight corners.
• Fits any drill, impact driver or bit holder with the standard 6.35mm hex shank.
• S2 alloy steel with a phosphate finish that resists rust.
• Magnetic tip holds the screw on the bit.
• 4mm drives M6 buttonhead bolts, 5mm drives M8 buttonhead bolts, 6mm drives M8 socket head cap screws.