Mil. Spec. Bolts | McMaster-Carr

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Specifications Met

Federal Specification

Military Specification

Army-Navy Specification

Military Specification

System of Measurement

Thread Size

Length

Material

Silicone Rubber

Stainless Steel

Threading

Partially Threaded

Fastener Head Type

Drive Style

Finish

Zinc Yellow-Chromate Plated

Grip Length

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Head Width

Socket Head Profile

DFARS Specialty Metals

Head Height

Fastener Strength Grade/Class

Thread Fit

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Thread Type

Thread Spacing

Thread Direction

Certification

Head Diameter

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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Fastening and Joining

Hex Head Screws

Hex Head Screws

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

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

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Set Screws

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

Standoffs

Separate, position, or connect components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Material Handling

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

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