Structural Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Grip Length

Threading

Partially Threaded

Finish

Black Zinc Plated

Hot-Dipped Galvanized

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Fastener Head Type

Material

Stainless Steel

Head Width

Specifications Met

Screw Size

Thread Length

Thread Spacing

Tensile Strength

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

REACH

Thread Fit

Metric Class 6g

Metric Class 6h

Metric Class 8g

Unified Standard Class 2A

Unified Standard Class 3A

Thread Pitch

Head Diameter

Neck Type

Hardness

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1,614 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

Wood Screws

Fasten material to wood or pieces of wood to each other

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