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Item #DZZ92006
4 mm Tamper Hex Bit Set with Rail, 12-Piece (5/64-5/32 in., 2-4 mm, 0.8 mm SIM Ejector)
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$5.00
Set Includes:
- TR HEX5/64, 3/32, 7/64, 1/8, 9/64, 5/32 in. (6 sizes)
- TR HEX2, 2.5, 3, 3.5, 4 mm (5 sizes)
- SIM EJECTOR0.8 mm (1 size)
- Bit Rail
Details
Precise Tip Geometry and Stamped Markings
Tekton 4 mm bits are made with tight tolerances for a secure fit in small screws, reducing slip and wear—crucial for high-value, sensitive electronics.

The tip size and Tekton "T" are clearly stamped onto every bit.
Hardened Bits with Non-Flaking Protective Finish
The bits are made from hardened 8660 steel (55–58 HRC)* and finished with a zinc phosphate conversion coating that provides lasting corrosion resistance without altering dimensions or flaking, unlike chrome finishes.
* Line Head bits are made of hardened AISI 1015 steel (40 HRC)
Bit Rails Have a Soft, Secure Hold
The flexible rails securely grip the bits so they can’t fall out, while also making it easy to remove any bit one-handed. The rails can also stand upright on a flat surface, making the markings easier to see.

High-contrast size markings are printed on the top of the rail.
Specs
4 mm Tamper Hex Bit Set with Rail, 12-Piece (5/64-5/32 in., 2-4 mm, 0.8 mm SIM Ejector)

Country of Origin | Taiwan |
Item Weight | 0.08 lb. |