Stainless Steel Fasteners | McMaster-Carr

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Metric Rounded Trapezoidal

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Specifications Met

ANSI/ASSP Z359.12

Federal Specification

OSHA Compliant 29 CFR 1910.184

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Right Hand and Left Hand

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DFARS Specialty Metals

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60,202 Products

Fastening and Joining

Rounded Head Screws

Rounded Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Hex Head Screws

Hex Head Screws

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

Tapping Screws

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

Tighten and loosen by hand without the need for tools

Set Screws

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

Shoulder Screws

Shoulder Screws

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Wood Screws

Fasten material to wood or pieces of wood to each other

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

Pentagon Head Screws

Pentagon Head Screws

Create a tamper-resistant joint with a head than can only be removed with a 5-point socket

Fastener Assortments

Fastener Assortments

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

Oval Head Screws

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

Studs

Press, weld, or screw in place to add a threaded fastening point

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Drywall Screws

Fasten panels of drywall to materials such as wood, metal, and drywall

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

The flange distributes pressure, so you don't need a washer

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Coupling Nuts

Connect and extend threaded rods

Cap Nuts

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

Easy to tighten and loosen by hand for making frequent adjustments

Square Nuts

Flat sides won’t spin in channels and square holes

Socket Nuts

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

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Split Nuts

Swivel to attach at any point on a threaded rod for quick installation

Quick-Release Pins

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Quick-Release Pin Retaining Caps

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

Clevis Pins

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

Dowel Pins

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

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

Linch Pins

Slide into holes on clevis pins and shafts and snap down the locking ring so parts won’t fall off

Weld Pins

Weld in place for greater rigidity and strength than other pins

Dowel Pin Stock

Dowel Pin Stock

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

Taper Pins

Fit snugly into tapered holes to secure, position, and align components

Press-Fit Nuts

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Rivet Nuts

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Rivet-Mount Nuts

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

Snap-In Nuts

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

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

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

Finishing Washers

Finishing Washers

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

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Standoffs

Separate, position, or connect components in assemblies

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Spacers

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

Threaded Rods

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

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Rivets

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

Retaining Rings

Retaining Rings

Hold components on a shaft

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Anchors

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

Fabric Snaps

Join soft, heavy fabrics such as leather and canvas

Shim Stock

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

Shims

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

Screw Nails

Drive like nails but hold like screws in drilled holes in wood, plastic, drywall, and masonry

Nails

Drive into wood, plastic, drywall, and masonry

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

Hog Rings

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

Staples

Use in air-powered, electric, cordless, and manual staplers to secure cardboard and other materials

Safety Pins

Fasten tags, labels, and other objects to fabric without pricking yourself

Spring Button Clips

Spring Button Clips

Join pieces of telescoping tubing using spring force

Rivet Nut Tools

Rivet Nut Tools

Install rivet nuts

Rivet Tools

Install and remove blind, solid, hollow, and other types of rivets

Hook and Loop

Press interlocking pieces together to join materials

Tape

Bind, seal, and mark surfaces

Power Transmission

Precision Lead Screws

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Lead Screws and Nuts

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Material Handling

Cable Ties

Bundle and secure cable, wire, and hose; also known as zip ties

Cable Tie Mounts

Cable Tie Mounts

Attach to walls, machines, and other surfaces and add a cable tie to organize and secure bundles

Twist Ties

Wind the ends to bundle cable and wire or close bags and sacks

Cable Bundling Tools

Cable Bundling Tools

Quickly organize wires, cables, and cords into bundles

Hook and Loop Straps

Hook and Loop Straps

Pull apart and secure again and again as the size of your bundle changes

Rope Guides

Route and protect rope

Webbing Buckles

Webbing Buckles

Pair with webbing to make adjustable straps

Webbing Hooks

Add to the end of webbing in order to latch it onto other objects

Webbing Rings

Add looped connection spots

Webbing Guides

Prevent webbing from twisting and use as anchor points; also known as footman's loops

Tie-Down Rings

Use as fixed anchor points

Tie-Down Hooks

Hook on straps to secure objects

Rope Cleats

Temporarily secure rope

Rope Hooks

Add connection points for rope

Bungee Cord Hooks

Bungee Cord Hooks

Add to bungee cords to hook them onto rings and loops

Ratchet Straps

Connect to anchor points and tighten incrementally to increase the tension, holding cargo in place

E-Tracks

Add straps and other parts to keep cargo from moving inside vans and trucks; stronger than L-Tracks

Straps for Winches and Ratchet Straps

Straps for Winches and Ratchet Straps

Feed through a winch or ratchet strap to secure loads

Carabiners

Hook onto rope and webbing to quickly connect objects, fittings, and other lengths of rope

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Quick Links

Join rope, cable, and chain to secure loads

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

Chain Rings

Join chains and add connectors for binding, towing, and lifting

Hooks

Lift, hang, and bind loads with rope and chain

Ring Links

Bend, hammer, or twist closed to connect chain links and attach fittings

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

Routing Rings

Suspend wire and cable by feeding it through the eyehole

Conveyor Belt Lacing

Conveyor Belt Lacing

Join conveyor belt ends with a strong, reliable connection; easier to install than endless belts

Conveyor Belt Lacing Pins

Conveyor Belt Lacing Pins

Insert and lock in place to connect belt lacing ends

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Cam Handles

For fast clamping, push down on the handle to draw two parts together

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

Bar Grating Clips

Bar Grating Clips

Secure grating to your support structure

Leveling Mounts

Leveling Mounts

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

Fluid Handling

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Float Rods

Connect valve bodies and floats to build or repair a float valve

Electrical

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Terminal Covers

Terminal Covers

Block out dirt and corrosion to protect battery terminals

Fabricating and Machining

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

Fixture Clamps

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

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

T-Slot Bolts

Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud

Drill Bushings

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

Toggle Clamps

Lock workpieces onto worktables or objects

Clamp Holding Washers

Clamp Holding Washers

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

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

C-Clamps

Temporarily secure workpieces together or to a work surface

Spring Clamps

Hold lightweight materials in place, then squeeze to release

Pipe Welding Clamps

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

Tag Ties

Wrap through tag holes to connect to items such as lanyards and key rings

Measuring and Inspecting

Rivet Hole Locators

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

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