UNS Bolts | McMaster-Carr

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Thread Size

Length

Threading

Partially Threaded

Fastener Strength Grade/Class

Fastener Head Type

Thread Spacing

Material

Stainless Steel

System of Measurement

Head Width

Finish

Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

UN/UNF (SAE Straight)

Head Height

Drive Style

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Thread Direction

Specifications Met

Thread Fit

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 3A

Head Diameter

Hardness

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Rounded Head Style

Tip Type

Drive Size

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274 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

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

Tighten and loosen by hand without the need for tools

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

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