Security Bolts | McMaster-Carr

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Barrel Drive Style

Tamper-Resistant Torx

System of Measurement

Thread Size

Length

1 1/4" to 1 3/8"

Fastener Head Type

Material

Stainless Steel

Drive Size

Threading

Partially Threaded

Rounded Head Style

Head Diameter

Finish

Phosphate Coated

Head Height

Flat Head Profile

Screw Size

Thread Type

Thread Spacing

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Tip Type

Thread Direction

Thread Fit

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Screw Drive Style

Tamper-Resistant Torx

How can we improve?

1,379 Products

Fastening and Joining

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Pentagon Head Screws

Pentagon Head Screws

Create a tamper-resistant joint with a head than can only be removed with a 5-point socket

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

L-Keys

Turn fasteners from either end and reach into tight spots

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)