M45 Nuts | McMaster-Carr

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System of Measurement

Thread Size

4-40 to 5/16"-32

Thread Pitch

Nut Type

Height

Width

Face Style

Hex Nut Profile

Material

303 Stainless Steel

OD

Thread Spacing

Specifications Met

Thread Type

Locking Type

Fastener Strength Grade/Class

Thread Direction

Finish

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Fastener Strength Rating

Spanner Wrench Style

Thread Fit

Metric Class 6H

Drive Style

Performance

Vibration Resistant

How can we improve?

17 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Power Transmission

Bearing Nuts

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

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

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