Grade 5 Steel Specialty Bolts | McMaster-Carr

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Finish

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Zinc Flake Coated

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Threading

Partially Threaded

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Fastener Strength Grade/Class

Material

316 Stainless Steel

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Metric Class 4h

Metric Class 6g

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Unified Standard Class 1A

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Unified Standard Class 3A

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REACH

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

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External 12-Point

External Square

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1,199 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

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

Square Head Screws

Square Head Screws

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

Elevator Bolts

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

Plow Bolts

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

Studs

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

T-Bolts

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

Hold-Down Bolts

Hold-Down Bolts

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

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.)