Partially threaded screws come with precise threaded and unthreaded portions allowing you to place only the.
Astm a325 bolts.
Dimensions meet asme b18 2.
Section 6 2 1 was modified to permit the use of a490 type bolts with round.
The most common heavy hex head screw these steel screws meet astm a325 regulations for structural joints such as mating i beams and scaffolding.
If you are working with a325 structural bolts on a regular basis we strongly recommend purchasing a copy of the astm a325 specification from astm international.
This specification is a consolidation of and replacement for six astm standards ranging from 1 2 through 1 1 2 diameter.
Joints using astm a325 or a490 bolts continues the tradition of earlier editions.
The research council on structural connections is a non profit volunteer organization whose research projects serve to provide safety.
The major changes are.
Asme b18 2 6 covers dimensional standards for a325 heavy hex structural bolts rcsc.
These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts.
Prior to its withdrawl in 2016 the astm a325 specification covered high strength heavy hex structural bolts from 1 2 diameter through 1 1 2 diameter.
The equivalent metric standard is astm a325m which is titled standard specification for.
A325 a325m a490 a490m.
Material meets astm f3125 specifications for quality.
This specification covers the chemical physical and mechanical requirements for structural bolts manufactured from steel and alloy steel in two strength grades two styles and two types.
Asme b18 2 6 covers dimensional standards for a325 heavy hex structural bolts rcsc.
This info and more on our specialized a325 microsite.
Nuts and washers used in a structural joint with heavy hex structural bolts must also meet appropriate standards.
The research council on structural connections is a non profit volunteer organization whose research projects serve to provide safety.
Astm a325 is an astm international standard for heavy hex structural bolts titled standard specification for structural bolts steel heat treated 120 105 ksi minimum tensile strength it defines mechanical properties for bolts that range from 1 2 to 1 1 2 inches 13 to 38 mm in diameter.
If you are working with a325 structural bolts on a regular basis we strongly recommend purchasing a copy of the astm a325 specification from astm international.