Specification - 10Pcs flat head screwdriver bits 4mm, 1/4inch hex shank, 4mm/0.16inch flat head size, 75/3inch long. Material - Slotted drill bit made of S2 Steel, anti-impact and tough, great wear resistant. Magnetic - Slotted screwdriver bits have magnetic, can be accurately locked screws, no damage to the screw, and the screwdriver head. Application - slotted tip screwdriver bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and other tools. Magnetizable flat head bits - The weak magnetic screwdriver bit can be magnetized with magnet or strong magnetic bits. Specification
Package: 10Pcs slotted tip screwdriver bits 4mm
Material: S2 Steel
Shank Type: 1/4 inch Hex shank
Hex shank size: 6.35mm / 1/4inch
Head Type: Flat Head
Flat Head Size: 4mm / 0.16inch
Total Length: 75mm / 3inch

- Slotted tip screwdriver bits are wear items and need to be replaced over time.
- Not only can you use the bits on hand tools, you can easily insert them to any 1/4 inch hex shank power drill to use.
- Slotted bit perfect for engineering, machinery, production lines, furniture and household electronics, computers.

Kindly Note:
Do not turn the screws with unmatched size, in case get both screw and bit damaged.
Please allow 1-2mm errors due to manual measurement, thank you for your understanding!