3/4"-10 Screws | McMaster-Carr

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1,699 Products

Fastening and Joining

Hex Head Screws

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

529 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

Shoulder Screws

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

131 products

Set Screws

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

73 products

Carriage Bolts

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

45 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

Square Head Screws

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

22 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

T-Bolts

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

1 product

Threaded Rods

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

293 products

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

Weld Nuts

Weld to metal surfaces to add permanent threads

1 product

Spring Plungers

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

26 products

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

2 products

Fabricating and Machining

T-Slot Bolts

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

37 products

Setup Studs

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

35 products

Grippers

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

1 product

Fixture Kits

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

8 products

Material Handling

Eyebolts

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

75 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

7 products

Wheel Axles

Connect rotating wheels and support vehicles

5 products

Power Transmission

Precision Lead Screws and Nuts

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

30 products

Connecting Rods

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

6 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

Measuring and Inspecting

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

2 products