3/4"-10 Fasteners | McMaster-Carr

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Product Family

12-Point Screws

Anchor Installation Tools

System of Measurement

Thread Size

Length

Material

Threading

Threaded on Both Ends

Threaded on One End

Fastener Strength Grade/Class

Finish

Cadmium Yellow-Chromate Plated

Chrome Plated

Corrosion-Resistant Coated

Galvanized

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

Fastener Head Type

Thread Direction

Right Hand and Left Hand

Thread Spacing

Thread Type

Specifications Met

Head Width

Tensile Strength

10,000 psi to 19,999 psi

30,000 psi to 99,999 psi

100,000 psi or greater

Thread Length

Nut Type

Thread Fit

ASME Interference Class 5

Metric Class 6H

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Performance

Drive Style

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

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

Yes

RoHS

Compliant

Compliant with Exemptions

REACH

Grip Length

Head Height

Export Control Classification Number (ECCN)

2,258 Products

Fastening and Joining

Hex Head Screws

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

546 products

Socket Head Screws

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

96 products

Flat Head Screws

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

46 products

Set Screws

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

73 products

Shoulder Screws

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

131 products

12-Point Screws

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

6 products

Plow Bolts

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

14 products

Rounded Head Screws

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

2 products

Square Head Screws

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

22 products

T-Bolts

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

1 product

Carriage Bolts

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

45 products

Hex Nuts

Handle most general fastening needs

102 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

49 products

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

4 products

Coupling Nuts

Connect and extend threaded rods

28 products

Flange Nuts

The flange distributes pressure, so you don't need a washer

25 products

Square Nuts

Flat sides won’t spin in channels and square holes

8 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

6 products

Cap Nuts

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

15 products

Socket Nuts

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

2 products

Split Nuts

Swivel to attach at any point on a threaded rod for quick installation

2 products

Threaded Rods

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

306 products

Threaded Inserts

Create new threads or repair stripped threads

66 products

Weld Nuts

Weld to metal surfaces to add permanent threads

1 product

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

1 product

Anchors

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

126 products

Single-End Studs

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

9 products

Thread Adapters

Join threads of a different type, size, and gender

59 products

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

2 products

Threaded Insert Installation Tools

Install helical, key-locking, slotted-drive, and other threaded inserts

13 products

Fabricating and Machining

T-Slot Nuts

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

23 products

Fixture Kits

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

8 products

Setup Studs

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

35 products

T-Slot Bolts

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

37 products

Fixture Clamps

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

1 product

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

1 product

C-Clamps

Temporarily secure workpieces together or to a work surface

8 products

Material Handling

Hoist Rings

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

48 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

7 products

Hooks

Lift, hang, and bind loads with rope and chain

4 products

Eyebolts

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

75 products

Turnbuckles

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

94 products

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

4 products

U-Bolts

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

16 products

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

4 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

2 products

Power Transmission

Rod Ends

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

34 products

Connecting Rods

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

6 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

32 products

Lead Screw Collars

Position components and limit travel along a lead screw

3 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

2 products

Machine Handles

Arms give you extra leverage to secure and position jigs, fixtures, and other equipment

2 products

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

5 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

15 products

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

4 products