Allen Drive Machine Screws | McMaster-Carr

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Drive Style

Hex with Pilot Recess

Tamper-Resistant Hex

System of Measurement

Thread Size

Length

Material

Stainless Steel

Fastener Head Type

Threading

Partially Threaded

Finish

Zinc Flake Coated

Socket Head Profile

Head Diameter

Head Height

Specifications Met

Federal Specification

Thread Type

Flat Head Profile

Thread Pitch

Drive Size

Thread Direction

Thread Spacing

Countersink Angle

Rounded Head Style

Tensile Strength

Less than 20,000 psi

20,000 psi to 29,999 psi

30,000 psi to 49,999 psi

50,000 psi to 99,999 psi

100,000 psi or greater

Thread Fit

Metric Class 4g6g

Metric Class 5g6g

Metric Class 6g

Metric Class 6h

Unified Standard Class 2A

Unified Standard Class 3A

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

How can we improve?

13,317 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Flat Head Screws

Flat Head Screws

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

Rounded Head Screws

Rounded Head Screws

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

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Tighten and loosen by hand without the need for tools

Electrical

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

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