Fastener Assortments | McMaster-Carr

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Rounded Head Sheet Metal Screws Included

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395 Products

Fastening and Joining

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Wood Screws

Fasten material to wood or pieces of wood to each other

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Easy to tighten and loosen by hand for making frequent adjustments

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Rivets

Join materials together permanently, especially when too thin or fragile to fasten with screws

Hog Rings

Squeeze closed using hog ring pliers to seal sacks, repair fences, and clip on tags

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

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

Retaining Rings

Retaining Rings

Hold components on a shaft

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

Clevis Pins

Secure parts in place and lock with a cotter pin or retaining ring

Dowel Pin Stock

Dowel Pin Stock

Cut to the length you need for positioning and holding parts in place

Anchors

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

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Facility and Grounds Maintenance

Faucet Washers

Seal faucet components so they don’t leak

Electrical

Electrical Enclosure Mounts

Electrical Enclosure Mounts

Secure electrical boxes to the floor or a pole

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