Steel Screws | McMaster-Carr

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77,014 Products

Fastening and Joining

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

Hex Head Screws

Hex Head Screws

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

10,475 products

Flat Head Screws

Flat Head Screws

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

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

Set Screws

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Tighten and loosen by hand without the need for tools

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

Oval Head Screws

Oval Head Screws

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

Concrete Screws

Concrete Screws

Anchor parts to concrete, block, and brick without tapping the hole first

Drywall Screws

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Studs

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

Fastener Assortments

Fastener Assortments

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

Square Head Screws

Square Head Screws

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

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

T-Bolts

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

Plow Bolts

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

Hold-Down Bolts

Hold-Down Bolts

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

Jack Screws

Secure computer cables and panels

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Dowel Screws

Screw into holes to join two pieces of wood

Binding Barrels

Binding Barrels

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

Threaded Rods

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

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

Single-End Studs

Single-End Studs

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

Standoffs

Separate, position, or connect components in assemblies

Standoff Caps

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

Spring Plungers

Spring Plungers

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

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

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

Captive Pins

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

Anchor Toggles

Replace your anchor toggle if it falls when removing your toggle bolt

Rivets

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

Screwdrivers

Tighten and loosen screws

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Torque-Limiting Keys

Torque-Limiting Keys

Used to install carbide inserts in cutting tools, a handle limits the amount of torque generated

Hanger Bolt Driver Bits

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Magnets

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

Fabricating and Machining

Setup Studs

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

T-Slot Bolts

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

Locating Pin Lock Screws

Locating Pin Lock Screws

Secure removable locating pins

Grippers

Clamp against uneven or irregularly shaped parts such as castings for a secure hold

Drill Bushing Lock Screws

Drill Bushing Lock Screws

Prevent drill bushings from spinning

T-Tracks

Versatile mounting tracks for jigs, fences, and other custom setups

Fixture Clamps

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

Fixture Kits

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

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

Clamp Holding Screws

Clamp Holding Screws

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

Clamping Screws

Clamping Screws

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

Gear and Bearing Puller Forcing Screws

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Pull Knobs

Use a knob to open and close cabinets, drawers, and doors

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

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

Leveling Mounts

Leveling Mounts

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

Protective Feet

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

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

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 Nuts

Precision Lead Screw Nuts

Pair with precision lead screws 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

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

Connecting Rods

Connecting Rods

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

End Supports for Ball Screws and Precision Lead Screws

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

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

Roller Screws and Nuts

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

Material Handling

Eyebolts

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

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Wheel Axles

Connect rotating wheels and support vehicles

Screw Conveyors

Screw Conveyors

Push material through fixed troughs

Conveyor T-Slot Bolts

Conveyor T-Slot Bolts

Drop into the T-slot to mount components

Jacks

Lift, hold, push, and position heavy objects

Tie Wire Hangers

Tie Wire Hangers

Hang lightweight items such as suspended ceilings and lighting fixtures

Containers, Storage, and Furniture

Hanging Hooks

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

Tool Holders

Mount brooms, cordless drills, flashlights, and other tools

Measuring and Inspecting

Transfer Punches

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

Electrical

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

Fluid Handling

Float Rods

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

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