Acme Shafts | McMaster-Carr

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System of Measurement

Thread Size

Component

Thread Direction

Right Hand and Left Hand

Nut Type

Material

Length

Thread Type

Metric Rounded Trapezoidal

Travel Distance per Turn

Number of Thread Starts

Diameter

Threading

Thread Fit

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

Thread Pitch

Speed Ratio

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Hardness

Fastener Strength Grade/Class

REACH

RoHS

Compliant with Exemptions

Not Compliant

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

Yes

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Width

Finish

Height

1,882 Products

Power Transmission

Lead Screws and Nuts

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

838 products

Precision Lead Screws and Nuts

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

972 products

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

18 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products