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ASTM

A66-21

Standard Specification for Steel Screw Spikes

2021

3

ASTM Vol.01.04 (2022)

This specification covers steel screw spikes used as fastenings between railroad rails, tie plates, and ties.

The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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