3/4"-10 Screws | McMaster-Carr

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1,623 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Socket Head Screws

Socket Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

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

Carriage Bolts

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

Square Head Screws

Square Head Screws

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

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

Plow Bolts

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

Rounded Head Screws

Rounded Head Screws

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

T-Bolts

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

Threaded Rods

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

Anchors

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

Single-End Studs

Single-End Studs

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Spring Plungers

Spring Plungers

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Fabricating and Machining

T-Slot Bolts

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

T-Slot Nut and Setup Stud Kits

T-Slot Nut and Setup Stud Kits

Mount fixtures of different sizes to your machine table

Setup Studs

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

Grippers

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

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

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

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

Connecting Rods

Connecting Rods

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

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Measuring and Inspecting

Transfer Punches

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

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