Stainless Steel Fasteners | McMaster-Carr

Filter by

Material

System of Measurement

Thread Size

Length

Fastener Head Type

Drive Style

Threading

Head Diameter

Finish

Screw Size

Head Height

Rounded Head Style

Thread Type

Socket Head Profile

Thread Direction

Specifications Met

Thread Pitch

Drive Size

Thread Spacing

Flat Head Profile

Countersink Angle

USMCA Qualifying

DFARS Compliance

How can we improve?

56,403 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

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

Shoulder Screws

Shoulder Screws

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

Set Screws

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

Fastener Assortments

Fastener Assortments

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

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

Pentagon Head Screws

Pentagon Head Screws

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

Carriage Bolts

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

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

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Coupling Nuts

Connect and extend threaded rods

Panel Nuts

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

Easy to tighten and loosen by hand for making frequent adjustments

Cap Nuts

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

Square Nuts

Flat sides won’t spin in channels and square holes

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Socket Nuts

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

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

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

Captive Pins

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

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

Taper Pins

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

Dowel Pin Stock

Dowel Pin Stock

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

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Press-Fit Nuts

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

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

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

Rivet-Mount Nuts

Rivet-Mount Nuts

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Standoffs

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

Spacers

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

Standoff Caps

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

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

Shim Stock

Cut into custom shapes for leveling and aligning fasteners, machinery components, and more

Rivets

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

Retaining Rings

Retaining Rings

Hold components on a shaft

Anchors

Secure structural joints in concrete, brick, and other building materials

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

Fabric Snaps

Join soft, heavy fabrics such as leather and canvas

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

Spring Button Clips

Spring Button Clips

Snap the button into place to join pieces of telescoping tubing

Safety Pins

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

Hook and Loop

Press to interlock pieces and fasten materials together

Tape

Bind, seal, and mark surfaces

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

Hook and Loop Straps

Hook and Loop Straps

Flexible and adjustable to secure bundles that are delicate and often increase or decrease in size

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

Eyebolts

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

Quick Links

Screw the nut closed to join lengths of chain and add connectors

Carabiners

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

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

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

Turnbuckles

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

U-Bolts

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

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

Loop Clamps

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

Routing Rings

Suspend wire and cable by feeding it through the eyehole

Rope Guides

Route and protect rope

Webbing Buckles

Webbing Buckles

Pair with webbing to make adjustable straps

Webbing Guides

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

Webbing Hooks

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

Webbing Rings

Add looped connection spots

Rope Hooks

Add connection points for rope

Rope Cleats

Temporarily secure rope

Bungee Cord Hooks

Bungee Cord Hooks

Add to bungee cords to hook them onto rings and loops

E-Tracks

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

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

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

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

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Building and Machinery Hardware

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

Knobs

Position, tighten, and secure fixtures and equipment

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Bar Grating Clips

Bar Grating Clips

Secure grating to your support structure

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

Float Rods

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

Fabricating and Machining

Setup Studs

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

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

Clamps

Hold workpieces securely in place

Clamp Holding Washers

Clamp Holding Washers

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

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

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

Electrical Enclosure Mounts

Electrical Enclosure Mounts

Secure electrical boxes to the floor or a pole

Terminal Covers

Terminal Covers

Block out dirt and corrosion to protect battery terminals

Communication

Tag Ties

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

Tag Rings

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

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