Socket Head Cap Screws | McMaster-Carr

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System of Measurement

Thread Size

Length

Fastener Head Type

Socket Head Profile

Threading

Partially Threaded

Material

Stainless Steel

Finish

Corrosion-Resistant Coated

Zinc Flake Coated

Drive Style

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Head Diameter

Head Height

Thread Pitch

Thread Direction

Thread Type

Drive Size

Thread Spacing

Specifications Met

Federal Specification

Fastener Strength Grade/Class

Tensile Strength

Less than 20,000 psi

20,000 psi to 49,999 psi

50,000 psi to 69,999 psi

70,000 psi to 99,999 psi

100,000 psi or greater

Screw Size

Shoulder Length

Rounded Head Style

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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14,739 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

Rounded Head Screws

Rounded Head Screws

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

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Communication

Reference Charts

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

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