7/8"-9 Fasteners | McMaster-Carr

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797 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

Set Screws

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

Shoulder Screws

Shoulder Screws

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

Plow Bolts

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

Carriage Bolts

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

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Coupling Nuts

Connect and extend threaded rods

Cap Nuts

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

Socket Nuts

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

Flange Nuts

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

Split Nuts

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

Square Nuts

Flat sides won’t spin in channels and square holes

Threaded Rods

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

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

Single-End Studs

Single-End Studs

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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

T-Slot Nuts

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

Setup Studs

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

Clamps

Hold workpieces securely in place

Material Handling

Eyebolts

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

Hoist Rings

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

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Turnbuckles

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

Hooks

Lift, hang, and bind loads with rope and chain

U-Bolts

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

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

Building and Machinery Hardware

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

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