Tamper-Resistant Insert Bits

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164 Products

Screwdriver Bits

Drilled Spanner Bits

Use with screws that have two drilled holes.

Tamper-Resistant Torx Bits

An opening at the tip accommodates the pin in the recess of tamper-resistant Torx screws. These are also known as pin-in-Torx bits.

Reversible Tamper-Resistant Torx Bits

Bits have a different size at each end. An opening at the tips accommodates the pin in the recess of tamper-resistant Torx screws. These are also known as pin-in-Torx bits.

Tamper-Resistant Phillips Bits

An opening at the tip accommodates the pin in the recess of tamper-resistant Phillips screws. These are also known as pin-in-head Phillips bits.

Tamper-Resistant Hex Bits

An opening at the tip accommodates the pin in the recess of tamper-resistant hex screws. These are also known as pin-in-hex or pin-in-socket bits.

Tamper-Resistant Pentalobe and Torx Plus Bits

An opening at the tip accommodates the pin in the recess of tamper-resistant pentalobe and tamper-resistant Torx Plus screws.

Asymmetrical Bits

Turn screws that have the tamper-resistant asymmetrical drive exclusive to McMaster-Carr.

Tamper-Resistant Square Bits

An opening at the tip accommodates the pin in the recess of tamper-resistant square screws.

Tri-Wing® Bits

A three-winged tip fits triangular slotted screw recesses.

Tri-Groove Bits

Grip the indentations on the head of tri-groove fasteners.

One-Way Screw Remover Bits

One-way screws can be installed with standard slotted screwdrivers but can only be removed with this type of bit.

Bit Sets

Bit Assortments

Assortments contain bits with multiple drive styles.

Drilled Spanner Bit Sets

Use with screws that have two drilled holes.

Tri-Groove Bit Sets

Grip the indentations on the head of tri-groove fasteners.

Tri-Wing® Bit Sets

A three-winged tip fits triangular slotted screw recesses.

Tamper-Resistant Torx Bit Sets

An opening at the tip accommodates the pin in the recess of tamper-resistant Torx screws. These are also known as pin-in-Torx bits.

Tamper-Resistant Hex Bit Sets

An opening at the tip accommodates the pin in the recess of tamper-resistant hex screws. These are also known as pin-in-hex or pin-in-socket bits.

Bit Screwdrivers

Insert a bit into the shaft and a magnet holds it in place.