1/4"-28 Knobs | McMaster-Carr

Filter by

System of Measurement

Thread Size

Material

Mount Type

Grip Style

Length

Head Diameter

Thumb Screw Head Shape

Stud Length

Color

Head Height

Stud Material

Threading

Thread Direction

Round-Head Thumb Screw Profile

Finish

Thread Depth

Hub Diameter

Hub Height

Handle Style

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Insert Material

Thread Length

How can we improve?

92 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Ball Knobs

Provide grip on control levers and push-pull rods

Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

Adjustable Handles

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Ball-Lever Shafts

Ball-Lever Shafts

Attach a ball knob to create a custom handle for operating machinery

Fastening and Joining

Tighten and loosen by hand without the need for tools

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