5/8"-11 Nuts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Material

Nut Type

Fastener Strength Grade/Class

Finish

Hex Nut Profile

Width

Thread Direction

Thread Type

Height

Thread Spacing

Length

Specifications Met

Locking Type

Fastener Strength Rating

Performance

Color

Threading

Fastener Head Type

DFARS Compliance

RoHS Compliance

REACH Compliance

How can we improve?

547 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

Coupling Nuts

Connect and extend threaded rods

Cap Nuts

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

Square Nuts

Flat sides won’t spin in channels and square holes

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Easy to tighten and loosen by hand for making frequent adjustments

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Socket Nuts

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

Split Nuts

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Push Nuts

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Tighten and loosen by hand without the need for tools

Fabricating and Machining

T-Slot Nuts

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

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

Clamps

Hold workpieces securely in place

Building and Machinery Hardware

Machine Handles

Machine Handles

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

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

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

Leveling Mount Inserts

Leveling Mount Inserts

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

Material Handling

Turnbuckles

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

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

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