M2.5 Bushings | McMaster-Carr

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134 Products

Threaded Standoffs

Female Threaded Hex Standoffs

Male-Female Threaded Hex Standoffs

Socket Nuts

Stainless Steel Socket Nuts

Stainless steel nuts have excellent corrosion resistance in most environments.

Alloy Steel Socket Nuts

Stronger than stainless steel, these nuts are comparable in strength to Grade 9 bolts.

Threaded Inserts for Metal

18-8 Stainless Steel Key-Locking Inserts

Made of 18-8 stainless steel, these inserts have good corrosion resistance.

Screw-Locking Key-Locking Inserts

Forming the strongest hold of any of our threaded inserts, these inserts have a distorted internal thread to lock screws into place and keys that drive into surrounding material to prevent slipping and rotating.

Stainless Steel Helical Inserts

Stainless Steel Helical Inserts
for Particle-Free Environments

Made of Nitronic 60 stainless steel, these inserts prevent the screw from binding or sticking without any coating or lubricant that could contaminate particle-free environments.

Lubricated Stainless Steel Helical Inserts

A dry film keeps the screw from sticking or binding in these inserts during installation.

Stainless Steel Screw-Locking Helical Inserts

A distorted thread grips the screw to resist loosening.

Lubricated Stainless Steel Screw-Locking Helical Inserts

A dry film keeps the screw from sticking or binding in these inserts during installation.

Helical Inserts with Installation Tools

Inserts come with a through-hole tap and installation tool.

Stainless Steel Helical Inserts without Prong

Without a prong to break off and retrieve, these inserts are often used where debris could cause damage.

Screw-Locking Helical Inserts without Prong

A distorted thread grips the screw to resist loosening.

Threaded Inserts for Plastic

Brass Screw-to-Expand Inserts for Plastic

Made from brass, these inserts are electrically conductive, nonmagnetic, and have good corrosion resistance.

Screw-to-Expand Inserts for Through Holes in Plastic

The flange keeps these inserts from pulling through a hole. Press them in from the underside of material, and install a screw from the top of material.

Pull-Out Resistant Screw-to-Expand Inserts for Plastic

Ultra-Fine-Threaded Inserts for Plastic

Use these inserts to install fine-thread screws in existing holes.

Aluminum Twist-Resistant Hex-Shaped Inserts for Plastic

70% lighter than stainless steel, these aluminum inserts are mildly corrosion resistant and nonmagnetic.

Tapered Heat-Set Inserts for Plastic

The tapered shape makes it easier to guide these inserts into a hole during installation. Use a drill bit to create a straight hole, then taper the top half.

Tapered Heat-Set Insert Assortments
for Plastic with Installation Tools

Assortments include various sizes of inserts, a soldering iron, a ceramic insulation tube, and installation tips.

Heat-Set Inserts for Plastic

Install these inserts into plastic parts to create a secure base for fasteners.

Male Threaded Heat-Set Inserts for Plastic

With the male threaded end on these inserts, mount components directly to plastic parts.