Screw Sleeves | McMaster-Carr

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18,055 Products

Fastening and Joining

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Rivet Nuts

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

Screw-Mount Nuts

Screw-Mount Nuts

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

Press-Fit Nuts

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

Coupling Nuts

Connect and extend threaded rods

Socket Nuts

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

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Anchors

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)