Specialty Fasteners | McMaster-Carr

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1,907 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

Studs

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

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

Elevator Bolts

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Square Head Screws

Square Head Screws

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

T-Bolts

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

Plow Bolts

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

Pentagon Head Screws

Pentagon Head Screws

Create a tamper-resistant joint with a head than can only be removed with a 5-point socket

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.)