Round-Base Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Externally Threaded

Material

Stainless Steel

Base Diameter

Barrel Height

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Height

Width

Thread Direction

Thread Spacing

Barrel Diameter

Length

Thread Pitch

Flange Diameter

Component

Finish

Head Diameter

Base Thickness

Thread Fit

Metric Class 6H

Metric Trapezoidal Class 7H

Unified Standard Class 1B

Unified Standard Class 2B

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

Diameter

Threading

Partially Threaded

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515 Products

Fastening and Joining

Screw-Mount Nuts

Screw-Mount Nuts

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Weld Nuts

Weld to metal surfaces to add permanent threads

Easy to tighten and loosen by hand for making frequent adjustments

Retaining Rings

Retaining Rings

Hold components on a shaft

Power Transmission

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Lead Screws

Pair with lead screw nuts to move components in a straight line

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Fabricating and Machining

Clamps

Hold workpieces securely in place

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