Metal Bolts | McMaster-Carr

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Corrosion-Resistant Coated

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Stainless Steel

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77,752 Products

Fastening and Joining

Hex Head Screws

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

8,526 products

Socket Head Screws

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

7,443 products

Rounded Head Screws

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

9,762 products

Flat Head Screws

Fit in countersunk holes for a flush finish

6,265 products

Thumb Screws

Tighten and loosen by hand without the need for tools

1,435 products

12-Point Screws

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

208 products

Shoulder Screws

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

6,571 products

Carriage Bolts

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

872 products

Tapping Screws

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

5,467 products

Set Screws

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

5,123 products

Square Head Screws

Turn the large flat sides with a wrench into square holes that stop further rotation

145 products

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

21 products

Wood Screws

Fasten material to wood or pieces of wood to each other

1,480 products

Elevator Bolts

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

187 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

95 products

Studs

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

674 products

Fastener Assortments

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

16 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

352 products

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

50 products

Pentagon Head Screws

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

15 products

Hold-Down Bolts

Hold material under the bent head while the other end is tightened down with a nut

21 products

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

3 products

Drywall Screws

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

132 products

Jack Screws

Secure computer cables and panels

24 products

Threaded Rods

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

5,196 products

Binding Barrels and Screws

Thread together for a low-profile fastener

869 products

Single-End Studs

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

184 products

Anchors

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

877 products

Standoffs

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

1,423 products

Standoff Caps

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

4 products

Rivet Nuts

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

501 products

Weld Nuts

Weld to metal surfaces to add permanent threads

589 products

Thread Adapters

Join threads of a different type, size, and gender

2,452 products

Captive Pins

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

84 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

1,278 products

Rivets

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

6 products

Stud Welders

Join studs and pins to metal, leaving no marks on the back of the material

40 products

Magnets

Attract or repel metal objects to hang, secure, or position them

26 products

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

4 products

Fabricating and Machining

Setup Studs

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

619 products

T-Slot Bolts

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

142 products

T-Slot Nuts

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

181 products

T-Slot Cleaners

Scrape debris out of machine table T-slots

2 products

Drill Bushing Lock Screws

Prevent drill bushings from spinning

14 products

Locating Pin Lock Screws

Secure removable locating pins

2 products

T-Tracks

Add fixturing to flat surfaces on machines such as table saws, CNC routers, and drill presses

4 products

Fixturing Clamps

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

153 products

Fixturing Kits

Everything needed to mount workpieces of different sizes to your machine table

21 products

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

18 products

Clamps

Hold workpieces securely in place

17 products

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

52 products

Power Transmission

Lead Screws and Nuts

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

1,663 products

Rod Ends

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

1,604 products

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

29 products

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

16 products

Rod End Nuts

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

8 products

Connecting Rods

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

808 products

Ball Screws and Nuts

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

207 products

Ball Screw/Splines

Transmit rotary power, move loads along the shaft, or do both at once

3 products

Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

10 products

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

16 products

Roller Screws and Nuts

More contact points to move heavier loads than ball and lead screw assemblies

8 products

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

3 products

Material Handling

Eyebolts

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

961 products

Hoist Rings

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

369 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

111 products

Wheel Axles

Connect rotating wheels and support vehicles

22 products

U-Bolts

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

869 products

Routing Ring Bases

Temporarily attach routing rings to steel and iron surfaces with a magnet

2 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

37 products

Jacks

Lift, hold, push, and position heavy objects

225 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

289 products

Strut Channel Framing and Fittings

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

1 product

Bolt-Together Framing and Fittings

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

1 product

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

3 products

Cam Handles

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

69 products

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

21 products

Drawer and Cabinet Deadbolt Locks

Secure wooden drawers and cabinet doors with a key

99 products

Door Strike Plates

Reinforce the area where the latch meets the frame to protect it from friction

1 product

Flush Bolt Locks

Prevent double doors from being opened, or lock one door while the other stays unlocked

12 products

Deadbolt Locks

Require a key or combination to unlock from the outside

22 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

10 products

Electrical

Grounding Lugs

Create a common grounding path for internal components and circuits, as well as the enclosure body

1 product

Grounding Screws

Fasten grounding wires to steel structures, fence posts, and transformers

8 products

Battery Terminal Fasteners

Replace bolts in battery terminals

3 products

Binding Posts

Test circuits before making permanent connections

12 products

Electrical Enclosure Mounting Channels

Position components inside electrical enclosures without drilling holes, which can leak

9 products

Containers, Storage, and Furniture

Hanging Hooks

Hang tools, hoses, garments, and other supplies on walls for easy access

94 products

Pallet Rack Locking Pins

Prevent forklifts from dislodging pallet rack beams when loading and unloading pallets

2 products

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

10 products

Fluid Handling

Tube and Tube Fittings

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

2 products