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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 (Includes all amendments and changes 1/28/2026).
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STANDARD published on 1.12.2025
Designation standards: ASTM F3125/F3125M-25a
Publication date standards: 1.12.2025
SKU: NS-1256483
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification provides the chemical, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch and metric dimensions, in two strength grades, two types and two styles. It is intended to ensure alignment between standards with the same intended end use and to simplify the use and maintenance of structural bolt specifications.
Keywords:
alloy steel, alternate design fasteners, bolts, carbon steel, fasteners, Heavy Hex Bolt, Heavy Hex Nut, inch, metric, spline end, steel, structural, structural bolts, Twist-Off style bolt, weathering steel,, ICS Number Code 21.060.10 (Bolts, screws, studs)
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Latest update: 2026-07-29 (Number of items: 2 290 440)
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