1/4"-28 Knobs | McMaster-Carr

Filter by

System of Measurement

Thread Size

Mount Type

Threaded Through Hole

Unthreaded Through Hole

Material

Stainless Steel

Grip Style

Length

Head Diameter

Stud Length

Thumb Screw Head Shape

Stud Material

Stainless Steel

Handle Style

Color

Head Height

Hole Diameter

Hub Diameter

Hub Height

Finish

Fastener Head Type

Thread Direction

Thread Depth

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Hole Shape

Threading

Partially Threaded

How can we improve?

98 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Mechanical Control Cables

Mechanical Control Cables

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

Ball Knobs

Provide grip on control levers and push-pull rods

Damper Control Arms

Damper Control Arms

Connect actuating motors to your duct system to control ventilation dampers

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.)