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SAE MA1518C

M00020211

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SAE MA1518C Bolts, Screws, and Nuts - External Wrenching, Metric Threads - Design Parameters for (Stabilized: May 2019)

standard by SAE International, 05/03/2019

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Full Description

To fully define the following requirements for bolts with spline and hexagon heads of strength class up to, but not including, 1250 MPa:

a. Head dimensions (see 3.1)
b. Shank dimensions (see 3.2)
c. Geometric control (see 3.3)
d. Surface texture (see 3.4)

This document is based on one class of thread after all processing, including coating or plating, has been completed as follows: tolerance class 4h6h.

For particulars of thread, see AS1370. For thread runout and lead threads, see AS3062.