Grade 8 Steel Specialty Bolts | McMaster-Carr

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Thread Size

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Fastener Head Type

Threading

Partially Threaded

Finish

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Zinc Flake Coated

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Fastener Strength Grade/Class

Neck Type

Material

316 Stainless Steel

System of Measurement

Head Height

Head Width

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Thread Spacing

Tensile Strength

Specifications Met

Neck Width

Drive Style

External 12-Point

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Thread Fit

Metric Class 4h

Metric Class 6g

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Metric Class 8g

Unified Standard Class 1A

Unified Standard Class 2A

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Unified Standard Class 3A

REACH

DFARS Specialty Metals

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1,201 Products

Fastening and Joining

Carriage Bolts

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

Square Head Screws

Square Head Screws

Turn the large flat sides with a wrench into square holes that stop further rotation

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Studs

Press, weld, or screw in place to add a threaded fastening point

Hold-Down Bolts

Hold-Down Bolts

Hold material under the bent head while the other end is tightened down with a nut

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

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