3/8"-16 Knobs | McMaster-Carr

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Threaded Through Hole

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Stainless Steel

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Stainless Steel

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Stainless Steel

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150° F to 199° F

200° F to 249° F

250° F to 299° F

300° F or greater

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500 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Ball Knobs

Provide grip on control levers and push-pull rods

Lever Handles

Replace gear levers or attach to cranks and hand wheels to make them easier to turn

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

Machine Handles

Machine Handles

Arms give you extra leverage to secure and position jigs, fixtures, and other equipment

Cam Handles

For fast clamping, push down on the handle to draw two parts together

Ball-Lever Shafts

Ball-Lever Shafts

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

Crank Handles

The offset handle gives extra leverage to maximize turning force

Fastening and Joining

Tighten and loosen by hand without the need for tools

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

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