Double Nuts | McMaster-Carr

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System of Measurement

Thread Size

Hex Nut Profile

Material

Height

Nut Type

Thread Direction

Thread Pitch

Width

Finish

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Fastener Strength Grade/Class

Thread Type

Thread Spacing

Locking Type

Specifications Met

Rail Height

Performance

T-Slotted Framing Rail Profile

Fastener Strength Rating

T-Slotted Framing Nut Type

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

Thread Fit

Metric Class 6H

Unified Standard Class 2B

Unified Standard Class 3B

Color

1,341 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

918 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

290 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

24 products

Square Nuts

Flat sides won’t spin in channels and square holes

18 products

Weld Nuts

Weld to metal surfaces to add permanent threads

14 products

Building and Machinery Hardware

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

18 products

Material Handling

Turnbuckles

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

18 products

Power Transmission

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

27 products

Fabricating and Machining

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

13 products