UNRC Bolts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Threading

Fastener Head Type

Finish

Socket Head Profile

Material

Drive Style

Head Diameter

Drive Size

Specifications Met

Thread Direction

Head Height

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Thread Spacing

Thread Type

Metric Rounded Trapezoidal

UN/UNF (SAE Straight)

Thread Fit

Unified Standard Class 2A

Unified Standard Class 3A

DFARS Specialty Metals

Hardness

REACH

RoHS

Export Control Classification Number (ECCN)

EAR99

Military Specification

Certification

Certificate Type

Material Certificate with Traceable Lot Number

Forward

How can we improve?

510 Products

About Socket Head Screws

Alloy Steel Socket Head Screws

The standard for high-strength fastening.

Mil. Spec. Alloy Steel Socket Head Screws

Choose these screws for their adherence to strict military standards for material and construction.

Mil. Spec. 18-8 Stainless Steel Socket Head Screws

Choose these screws for their adherence to strict military standards for material and construction. Screws are 18-8 stainless steel for good chemical resistance.

High-Strength A286 Stainless
Steel Socket Head Screws

Often used to fasten parts in engines and turbines, these are our strongest stainless steel screws. They are comparable in strength to alloy steel with the corrosion resistance of 18-8 stainless steel.

About Socket Head Screws

Socket Head Screws

Alloy Steel Socket Head Screws

Mil. Spec. Alloy Steel Socket Head Screws

Mil. Spec. 18-8 Stainless Steel Socket Head Screws

High-Strength A286 StainlessSteel Socket Head Screws

High-Strength A286 Stainless
Steel Socket Head Screws