Nylon-Insert Nuts | McMaster-Carr

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1,273 Products

Locknuts

Nylon-Insert Locking About Nylon-Insert Locking

Nylon-Insert Locknuts

Versatile and economical—the most commonly used locknuts

468 products

Thin-Profile Nylon-Insert Locknuts

About half the height of standard nuts to fit in spaces with low clearance

164 products

Heavy-Profile Nylon-Insert Locknuts

About 10% wider and taller than standard nuts to handle heavier loads

31 products

High-Profile Nylon-Insert Locknuts

Larger gripping area keeps wrenches from slipping off as you tighten

49 products

Thin-Heavy-Profile Nylon-Insert Locknuts

Fit in low-clearance spaces and handle heavier loads than standard nuts

33 products

Mil. Spec. Nylon-Insert Locknuts

Meet strict U.S. military standards for material and construction

21 products

Mil. Spec. Thin-Profile Nylon-Insert Locknuts

Meet U.S. military standards and are half the height of standard nuts to fit in low-clearance spaces

17 products

Nylon-Insert Locknut Assortments

A range of sizes to fasten a variety of parts

2 products

Other Products

Flange Nuts

The flange distributes pressure, so you don't need a washer

80 products

Bearing Locknuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

163 products

Knobs

Position, tighten, and secure fixtures and equipment

1 product

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

48 products

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

21 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

16 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

20 products

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

15 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

2 products

Cable Holders

Mount to a surface to secure and route cable

85 products

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

16 products

Threaded Inserts

Create new threads or repair stripped threads

16 products