9pcs Impact Drill Bit 50mm, Magnetic 1/4" Hex Allen Wrench Drill Bits Screwdriver Bits(H1.5-H10)

Material:S2 Steel
Drive system:External Hex
Finish type:Steel
Type of shank: 6.35mm / 1/4 inch
Length: 50mm
Model: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm,8mm,10mm
Drive system:External Hex
1.Hex head allen wrench drill bits has 9 different sizes of inner hexagon bits?10mm,8mm, 6mm, 5mm, 4mm, 3mm, 2.5mm, 2mm, 1.5mm, which can meet your various needs. Length: 50mm. Type of Shank: 6.35mm, 1/4 inch.
2.The hex drill bits made of high-quality S2 steel in a shiny rust-resistant finish, high hardness and good wear corrosion. The outer layer is wrapped with a wear-resistant rubber heat-shrinkable tube, which is rust-proof and waterproof.
3.The allen key screwdriver bits have been magnetized. Magnetic tips enhance attachment to screws for a secure grip, and it can minimize the wear of screws and increasing working efficiency. Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head.
4.The hex bits have experienced torsion and hardness test. The results of tests show that the maximum torsion force of bits are 180-200N and the hardness of bits are 58-60HRC. The high torsion and proper hardness avoid the bits break and wear.
5.The 1/4 inch quick release hex shank driver bits fit for electric screwdriver, hand screwdriver, electric drills & air drills. Ideal for working on vehicles, bicycles & furniture. Assembling/repairing your furniture in an easy way.