Work Item
ASTM WK97796

Revision of F3125/F3125M-25 Standard Specification for High Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi, 144 ksi, and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 MPa and 1040 MPa Minimum Tensile Strength

Rationale

Providing an update to F3125 to provide clarity on which bolts are subject to rotational capacity testing, specifically stating that rotational capacity tests should not apply to bolts manufactured to S1 or S2 Supplement or Twist-Off style bolts, as the limited data they could provide offers no relevant engineering data. In addition, Twist-Off style bolts have the unique inability to restrict the head from rotation, which may provide false data and cause them to become stuck in the load cell, with no way to remove them.

Details

Developed by Subcommittee: F16.02

Committee: F16

Staff Manager: Jennifer Rodgers

Work Item Status

Date Initiated: 01-19-2026

Technical Contact: Bill Germuga

Item: 000

Ballot:

Status: