It is made of S-2 alloy steel material, overall heating treatment, hardness of ± HRC58, high torque and good toughness, sturdy and durable.
Strong Magnetic, High precision, High hardness and good workmanship.With 6.3mm(1/4inch) hex shank,Those bits are magnetic that can be firmly fixed on screwdrivers, fitting for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth.So practical item, make your life easier.
Specifications:
Material: S-2 alloy steel
Bit size: Triangle 2.7
Shank diameter: 6.3mm / 0.25inch
Length: 65mm / 2.56 inch
Weight: 114g
Package Included:
10 x Screwdriver Bits
Notes:
1.Do not turn the screws with unmatched size, in case get both screw and bit damaged.
2.Please allow a bit manual measuring errors.
3.These Screwdriver Bits are with a little magnetic design, ( just use a magnetizer to magnetize it if the magnetic reduces after a long time use)