Hardware Kits | McMaster-Carr

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2,852 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

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

Tapping Screws

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

Shoulder Screws

Shoulder Screws

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

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

Washers

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

Insulating Washers

Insulating Washers

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Lock Washers

Resist vibration to prevent fasteners from loosening

Rivet Nuts

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Retaining Rings

Retaining Rings

Hold components on a shaft

Threaded Rods

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

Hog Rings

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

Screwdrivers

Tighten and loosen screws

One-Way Screw Removers

One-Way Screw Removers

Loosen and remove one-way screws

Fastening Tool Sets

Fastening Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

Nutdrivers

Tighten and loosen nuts and bolts

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Combination Wrenches

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

Box Wrenches

Grip all sides of a fastener to prevent slipping

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Spanner Wrenches

Spanner Wrenches

Grab onto holes and slots to turn collars, bearings, and other machine tool components

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Socket Inserts

Slip into sockets to keep fasteners from falling out

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Strap Wrenches

Grip plastic and high-polished pipe, tubing, hand wheels, and filters without marring the surface

Adjustable Wrenches

Adjustable Wrenches

Adjust the jaws to fasten different size nuts, bolts, or workpiece

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Pin-Removal Punches

Pin-Removal Punches

Strike with a hammer to loosen and remove pins and rivets

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

Nail Set Punches

Nail Set Punches

Set nails flush or drive them out of view without damaging wood surfaces

Retaining Ring Pliers

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

Fabricating and Machining

Taps

Cut internal threads for fasteners, pipe, conduit, and more

Tap Extractors

Grip the flutes on a broken tap to remove it without damaging the surrounding threads

Tap, Die, and Thread File Sets

Tap, Die, and Thread File Sets

Repair internal and external threads in a range of sizes

Tap, Die, and Drill Bit Sets

Tap, Die, and Drill Bit Sets

Cut and repair internal and external threads and drill holes in many different sizes

Pipe Threaders

Cut external threads in pipe and conduit with ratcheting action or electric power

Tap and Die Sets

Tap and Die Sets

Cut and repair internal and external threads in many sizes

Dies

Cut or restore external threads on fasteners, pipe, or conduit

Tap and Die Wrench Sets

Tap and Die Wrench Sets

Switch between internal and external threading with interchangeable tap and die adapters

Thread-Repairing Files

Thread-Repairing Files

Spot fix rusted and damaged threads along screws, pipe, or conduit

Picks

Hold, separate, and position small parts such as wire and springs

Tweezers

Grasp small objects that are too small to pick up by hand

Pliers

Grip, bend, and twist wire and other small workpieces

Clamps

Hold workpieces securely in place

Vise Repair Kits

Vise Repair Kits

Replace commonly worn parts in vises

Locking Pliers

Clamp workpieces and lock them in place to keep your hands free

Gear and Bearing Pullers

Gear and Bearing Pullers

Remove gears and bearings from hollow shafts and housings

Small Parts Positioners

Small Parts Positioners

Position and install tiny springs and wires

Packing Seal Pullers

Packing Seal Pullers

Pull packing out of pump and valve seals

Wire-Twisting Pliers

Wire-Twisting Pliers

Grip or attach wire then twist to secure fasteners or electrical connections

Bearing and V-Belt Pulley Separator Sets

Bearing and V-Belt Pulley Separator Sets

Separate bearings or V-belt pulleys of various sizes with these sets

Hub and Fan Blade Grip Pullers

Hub and Fan Blade Grip Pullers

Remove press-fit hubs and fan blades from motor shafts

Countersinks

Cut a cone-shaped opening in a hole to install flat head screws and rivets flush with the surface

Counterbores

Enlarge the top of a hole to install socket and hex head screws flush with the surface

Center Drills

Drill cone-shaped openings in workpieces to mount them between centers on your lathe

Hole Punches

Punch holes in metal, plastic, and fabric

End Mills

Cut and shape material to create precise slots, grooves, and profiles

Reamers

Finish holes to an exact size, correct misaligned holes, and remove burrs

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

Cordless Tool Kits

Cordless Tool Kits

A reciprocating saw, hammer drill, chargers, and more in an easy-to-carry tote bag

Hollow-Core Cutters

Hollow-Core Cutters

Use in magnetic-base drills to form burr-free holes by only cutting the outside edge of a hole

Fly Cutters

Machine wide cuts on flat surfaces and leave a smoother finish than face mills

Drill/Screwdriver Bits

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

Burs

Cut excess material to smooth surfaces and holes using a rotary power tool like a die grinder

Multitools

A variety of tools and blades all in one

Pry Bars

Slide under heavy objects to pry, lift, and position them

Deburring Tools

Deburring Tools

Changeable or fixed cutting blades shave rough edges from surfaces, holes, and pipe

T-Slot Fastener and Setup Stud Kits

T-Slot Fastener and Setup Stud Kits

Mount fixtures of different sizes to your machine table

Files

Deburr, polish, and sharpen nearly any material, such as metal, plastic, ceramic, and wood

Polishing Stones

Polishing Stones

Create a finer, more polished finish on tools, molds, and dies than sanding sticks

Sanding Drum and Sleeve Kits

Sanding Drum and Sleeve Kits

Assortments include a variety of sanding drums and sleeves to shape and deburr internal surfaces

Lathe Tools

Shape workpieces as they rotate on a lathe

Drill Chuck Jaw and Nut Kits

Drill Chuck Jaw and Nut Kits

Replace jaws, nuts, thrust bearings, or washers in Jacobs drill chucks

T-Slot Fastener and Fixturing Clamp Kits

T-Slot Fastener and Fixturing Clamp Kits

Everything you need to secure a workpiece to a fixture table

Electrical

Electrical Cable Hardware Kits

Electrical Cable Hardware Kits

Hang equipment from drop-down cable

Wire and Cable Strippers

Wire and Cable Strippers

Remove the outer insulation on wire and cable

Electrical Enclosure Mounts

Electrical Enclosure Mounts

Secure electrical boxes to the floor or a pole

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

Containers, Storage, and Furniture

Toilet Partition Mounting Hardware

Toilet Partition Mounting Hardware

Mount and connect toilet and urinal partition components

Toilet Partition Door Hardware

Toilet Partition Door Hardware

Replace the hinges, latches, hooks, and handles on toilet partitions

Pegboard Organizer Kits

Pegboard Organizer Kits

Use a range of hooks, holders, and bin boxes to organize tools on pegboard

Fluid Handling

Valve Repair Kits

Valve Repair Kits

Maintain valves with replacement parts such as seals, plungers, and springs

Pump Repair Kits

Pump Repair Kits

Replace parts on transfer pumps, circulation pumps, and metering pumps

Pressurized Pipe Tapping Kits

Pressurized Pipe Tapping Kits

Include the tools you need to add a new line without having to shut down your piping system

Measuring and Inspecting

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

Pipe Flange Aligners

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

Power Transmission

Belt Joining Kits

Belt Joining Kits

Everything you need to soften belt ends and join them together

Facility and Grounds Maintenance

Faucet Repair Parts

Faucet Repair Parts

Replace faucet parts such as valves, O-rings, washers, and nuts

Faucet Washers

Seal faucet components so they don’t leak

Lighting

Light Hangers

Suspend lights from the ceiling

Building and Machinery Hardware

Door Installation Kits

Door Installation Kits

Complete your door installation with a handle or knob, strike plate, and hinges

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