3-56 Thread Socket Head Screws | McMaster-Carr

Filter by

System of Measurement

Length

Fastener Head Type

Material

18-8 Stainless Steel

Head Diameter

Threading

Partially Threaded

Drive Style

Thread Spacing

Socket Head Profile

Drive Size

Finish

Head Height

Rounded Head Style

Thread Direction

Thread Type

Tip Type

Specifications Met

Tensile Strength

50,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

Thread Fit

Unified Standard Class 3A

Hardness

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Flat Head Profile

How can we improve?

41 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

Rounded Head Screws

Rounded Head Screws

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

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Flat Head Screws

Flat Head Screws

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

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