Bolt Couplings | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Material

Threading

Finish

Fastener Strength Grade/Class

Head Width

Hex Size

Gender

Drive Style

Thread Pitch

Shape

Specifications Met

Screw Size

Thread Direction

Thread Type

Thread Spacing

Head Height

Tensile Strength

Thread Length

Thread Fit

USMCA Qualifying

How can we improve?

18,715 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Hex Head Screws

Hex Head Screws

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

Material Handling

Screw Conveyors

Screw Conveyors

Push material through fixed troughs

Power Transmission

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

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