M8 Inserts | McMaster-Carr

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For Tap Thread Pitch

Thread Spacing

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0.03" to 0.09"

0.000 mm to 5.000 mm

0.400 mm to 4.000 mm

0.400 mm to 11.100 mm

Thread Fit

Unified Standard Class 2B

Helical Insert Type

Thread Direction

Key-Locking Insert Wall Type

Body Length

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

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817 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

156 products

Rivet Nuts

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

44 products

Press-Fit Nuts

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

11 products

Weld Nuts

Weld to metal surfaces to add permanent threads

25 products

Adhesive-Mount Nuts

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

10 products

Snap-In Nuts

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

5 products

Studs

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

36 products

Socket Nuts

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

2 products

Anchors

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

1 product

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

13 products

Single-End Studs

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

7 products

Threaded Insert Installation Tools

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

36 products

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

Fabricating and Machining

Taps

Cut internal threads for fasteners, pipe, conduit, and more

4 products

T-Slot Nuts

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

13 products

Fixture Kits

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

2 products

Fixture Clamps

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

12 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

53 products

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

11 products

Leveling Mounts

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

32 products

Vibration-Damping Mounts

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

69 products

Protective Feet

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

2 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

94 products

Material Handling

Conveyor T-Slot Bolts

Drop into the T-slot to mount components

12 products