Stop battery acid fumes from corroding terminal posts

Lock bearing nuts in place to prevent loosening due to vibration

Slide between a keyway broach and bushing to control the keyway's depth when cutting more than once

Replace worn washers on open-arm toggle clamps to keep holding screws in place

Connect cross-bracing rods or cables to structural beams; also known as hillside washers

Cushion joints to dampen vibration and protect them from wear

Guide pins and punches in molds and stamping dies or reduce friction between ejector pins and plates

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Mount components to your enclosure without worrying about leaks

Prevent wires from slipping out from under screw heads to keep electrical connections intact

Keep a variety of common screws, nuts, and washers on hand

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

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

Curved or tapered to compensate for uneven mounting surfaces

Resist vibration to prevent fasteners from loosening

Slide between the shackle and body to open padlocks that are damaged or missing keys

Prevent fluids from leaking around fasteners

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

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

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

Separate, position, or connect components in assemblies

Bolt onto surfaces to mount tag rings and ties

Join threads of a different type, size, and gender

Angled sides align and hold tie-down straps

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

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

Level material, split mated parts, and align machinery