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A short silver Torx insert bit with a tamper-resistant centre pin and a quarter-inch hex shank

Tuff Stuff

Tuff Stuff TP25100 T25H Tamper Resistant Torx Bit 1

SKU CH-QS0S-THBQF MPN TP25100

A tamper-resistant Torx T25H insert bit with a 1/4" shank for use in drills and screwdrivers

  • Product typeDrill Bits
  • Sold asEach
  • Tamper-resistant T25H tip fits security fasteners
  • 1-inch length reaches recessed screw heads
  • 1/4-inch shank fits standard drill chucks
  • Single-ended design for straightforward bit changes
  • General-purpose construction handles household and shop tasks

Bit identity and intended use

This Tuff Stuff TP25100 is a tamper-resistant Torx insert bit sized T25H for 1/4" shank drivers. It serves technicians and DIYers who must drive or remove security fasteners in maintenance, assembly or repair tasks. The single-ended tip fits standard quick-change holders and drill chucks that accept a 1/4" hex shank. Buyers who need a different Torx size or a non-tamper profile should select another bit.

Behaviour under sustained load

The hardened tip resists rounding when driven repeatedly into tamper-resistant Torx heads. Its 1" length keeps the working face close to the chuck, reducing wobble during extended fastening runs. Heat build-up stays low because the bit transmits torque directly without a long lever arm. Users who require impact-rated bits for high-torque guns will need a different product line.

Setup checks before ordering

Verify that your driver or drill accepts a 1/4" hex shank and that the fastener head matches a T25H tamper-resistant Torx profile. Confirm the 1" overall length clears any obstructions around the screw location. Ensure the holder or chuck secures the shank firmly to prevent slippage under load. No other specifications apply.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $1.88
Cheaper than about 98% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameTuff Stuff
Model nameTP25100
Product typeDrill Bits

Questions about this item

Does the 1/4" shank bit generate noticeable heat during all-day driving?

The T25H tamper-resistant Torx tip is a single-ended 1" insert bit; it produces no measurable heat during continuous hand-drill or impact-driver use.

What tool must I already own to use the 1/4" shank insert?

Any drill, driver or bit holder that accepts a standard 1/4" hex shank will secure this TP25100 bit.

Will the T25H tip fit older tamper-resistant Torx screws I have in stock?

Yes, the #T25H profile matches legacy tamper-resistant Torx fasteners of the same size.

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