Square Inserts | McMaster-Carr

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Insert Shape

Shape

Material

System of Measurement

Thread Size

Nut Type

For Use On

Heat-Resistant Super Alloy

Mount Type

Inscribed Circle Diameter (IC)

Height

Snap-In Nut Shape

Rectangular with Floating Nut

Width

Thickness

Finish

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Aluminum Oxygen Nitride (TiAlON) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Diboride (TiB₂) Coated

Titanium Nitride (TiN) Coated

Head Width

Panel Thickness

Inside Width

Color

Leg Shape

RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Base Shape

Drive Style

Tamper-Resistant Square

Tamper-Resistant Torx

923 Products

Fabricating and Machining

Lathe Tool Inserts

Pair with lathes to add cuts and grooves to workpieces

116 products

Lathe Tool Insert Holders

Secure inserts within lathes to add cuts and grooves to workpieces

16 products

Face Mill Inserts

Pair with face milling insert holders to create custom face mills

12 products

Face Mills

Flatten and smooth the surface of wide workpieces in high-speed, high-volume applications

6 products

Drill Bit Inserts

Pair with compatible drill bit bodies to precisely drill multiple holes

36 products

Countersinks

Cut a cone-shaped opening in a hole to install flat-head screws and rivets flush with the surface

13 products

Fixture Clamps

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

10 products

Fastening and Joining

Snap-In Nuts

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

99 products

Weld Nuts

Weld to metal surfaces to add permanent threads

32 products

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

12 products

Screwdriver Bits

Pair with drivers to turn screws

72 products

Building and Machinery Hardware

Leveling Mount Inserts

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

69 products

Protective Feet

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

20 products

Leveling Mounts

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

22 products

Vibration-Damping Mounts

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

4 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

90 products

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

8 products

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

122 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

82 products

Material Handling

Caster Sockets

Mount on the inside corners of channel and other framing to attach stem casters

5 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Electrical Power, Networking, and Controlling

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

3 products