M40 Bolts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Thread Pitch

Component

Length

Thread Type

Travel Distance per Turn

Diameter

Material

Width

Thread Direction

Threading

Thread Fit

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

Height

4 5/8"

39.9 mm

66 mm

Fastener Strength Grade/Class

Specifications Met

Speed Ratio

Tensile Strength

30,000 psi to 99,999 psi

Hardness

Number of Thread Starts

Drive Size

58 mm

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

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17 Products

Power Transmission

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

4 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

5 products

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

3 products

Fastening and Joining

Sockets

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

1 product

Fabricating and Machining

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

2 products