3/8"-16 Inserts | McMaster-Carr

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Key-Locking Insert Wall Style

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Hot-Dipped Galvanized

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911 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

125 products

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

33 products

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

4 products

Weld Nuts

Weld to metal surfaces to add permanent threads

30 products

Press-Fit Nuts

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

8 products

Dowel Nuts

Form joints in blind holes in wood

1 product

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

8 products

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

2 products

Snap-In Nuts

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

7 products

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

1 product

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

142 products

Studs

Press, weld, or screw in place to add a threaded fastening point

39 products

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

2 products

Binding Barrels and Screws

Thread together for a low-profile fastener

19 products

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

11 products

Threaded Insert Tools

Install or extract helical, key-locking, slotted-drive, and other threaded inserts

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

5 products

Building and Machinery Hardware

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

20 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

101 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

81 products

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

5 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

72 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

34 products

Fabricating and Machining

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

18 products

Fixturing Kits

Everything needed to mount workpieces of different sizes to your machine table

6 products

Fixturing Clamps

Secure your workpiece to a fixture table so it won't move during machining

22 products