Thread Bolts | McMaster-Carr

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Product Family

12-Point Screws

Anchors

Ball Screws and Nuts

Battery Terminal Fasteners

Clamp-On Framing and Fittings

Clamping Screws

Connecting Rods

Door Tracks and Fittings

Drill Bushing Lock Screws

Electrical Enclosure Fasteners

Electrical Enclosure Pole Mounts

Elevator Bolts

System of Measurement

Thread Size

Length

Material

Fastener Head Type

Threading

Fully Threaded

Partially Threaded

Threaded on Both Ends

Finish

Corrosion-Resistant Coated

Dyed

Epoxy Coated

Galvanic Barrier Coated

Galvanized

Gold Plated

Hot-Dipped Galvanized

Head Diameter

Thread Pitch

Fastener Strength Grade/Class

Head Height

Tip Type

Thread Type

Metric Rounded Trapezoidal

Thread Direction

Right Hand and Left Hand

Thread Spacing

Thread Length

Socket Head Profile

Specifications Met

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 29,999 psi

30,000 psi to 99,999 psi

100,000 psi or greater

Shoulder Diameter

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

Help me decide (beta)

76,295 Products

Fastening and Joining

Hex Head Screws

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

11,746 products

Socket Head Screws

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

7,992 products

Tapping Screws

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

4,093 products

Flat Head Screws

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

6,261 products

T-Bolts

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

21 products

Rounded Head Screws

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

10,438 products

Shoulder Screws

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

6,910 products

Set Screws

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

5,325 products

Thumb Screws

Tighten and loosen by hand without the need for tools

1,551 products

Square Head Screws

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

145 products

Carriage Bolts

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

889 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

402 products

Studs

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

637 products

Masonry and Concrete Screws

Anchor parts to masonry and concrete without tapping the hole first

100 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

8 products

Oval Head Screws

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

307 products

12-Point Screws

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

298 products

Elevator Bolts

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

187 products

Pentagon Head Screws

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

17 products

Plow Bolts

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

50 products

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

3 products

Fastener Assortments

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

14 products

Jack Screws

Create vibration-resistant connections between D-sub cords and panels

22 products

Wood Screws

Fasten material to wood or pieces of wood to each other

20 products

Hold-Down Bolts

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

51 products

Threaded Rods

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

5,369 products

Standoffs

Separate, position, or connect components in assemblies

1,599 products

Standoff Caps

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

66 products

Binding Barrels

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

893 products

Thread Adapters

Join threads of a different type, size, and gender

2,469 products

Single-End Studs

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

184 products

Spring Plungers

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

1,048 products

Anchors

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

560 products

Stud Welders

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

33 products

Fabricating and Machining

T-Slot Bolts

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

262 products

Setup Studs

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

627 products

Locating Pin Lock Screws

Secure removable locating pins

2 products

Drill Bushing Lock Screws

Prevent drill bushings from spinning

14 products

T-Tracks

A versatile foundation for custom fixturing setups

4 products

Clamp Holding Screws

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

52 products

Clamping Screws

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

17 products

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

18 products

Power Transmission

Rod Ends

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

1,064 products

Connecting Rods

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

808 products

Precision Lead Screws

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

546 products

Lead Screws

Pair with lead screw nuts to move components in a straight line

503 products

Ball Screws and Nuts

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

205 products

Roller Screws and Nuts

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

8 products

Building and Machinery Hardware

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

265 products

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

1 product

Clamp-On Framing Fasteners

Tighten to hold clamp-on framing in place

1 product

Locking-Slotted Framing Fasteners

Secure brackets and other accessories to locking-slotted rails

3 products

Slip-On Framing Fasteners

Replace set screws used on slip-on framing

2 products

Cam Handles

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

85 products

Door Tracks and Fittings

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

3 products

Material Handling

Eyebolts

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

947 products

Wheel Axles

Connect rotating wheels and support vehicles

22 products

Hitch Clamps

Strengthen the joint between your hitch insert and receiver to prevent rattling and swaying

2 products

U-Bolts

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

1,069 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

29 products

Containers, Storage, and Furniture

Hanging Hooks

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

30 products

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

11 products

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product

Electrical Power, Networking, and Controlling

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

13 products

Electrical Enclosure Pole Mounts

Everything you need to secure enclosures to round poles or beams

14 products

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products