1 1/4"-7 Nuts | McMaster-Carr

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System of Measurement

Thread Size

Fastener Strength Grade/Class

Material

Nut Type

Finish

Hot-Dipped Galvanized

Phosphate Coated

Zinc Flake Coated

Zinc Plated

Zinc Yellow-Chromate Plated

Hex Nut Profile

Width

Thread Direction

Thread Spacing

Thread Type

Height

Specifications Met

Fastener Strength Rating

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Performance

Drive Style

Length

DFARS Specialty Metals

Locking Type

REACH

RoHS

Compliant with Exemptions

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

Application

Flange Diameter

137 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

60 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

21 products

Coupling Nuts

Connect and extend threaded rods

11 products

Flange Nuts

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

3 products

Square Nuts

Flat sides won’t spin in channels and square holes

3 products

Cap Nuts

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

3 products

Thread Adapters

Join threads of a different type, size, and gender

8 products

Threaded Inserts

Create new threads or repair stripped threads

14 products

Material Handling

Turnbuckles

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

6 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

3 products

Fabricating and Machining

T-Slot Nuts

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

2 products

Setup Studs

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

3 products