Lock Washer Strengths
Are lock washers available in different strengths and what ASTM specification(s) cover them?
ASTM
A490 Anchor Bolts
Are ASTM A490 anchor bolts available?
Fastener Standards Organizations
What standards organizations and specifying committees cover the types of bolts and fasteners Portland Bolt manufactures?
A325 Countersunk Bolts
Can Portland Bolt manufacture A325 countersunk bolts?
A615 Anchor Bolts
I was told that I cannot use A615 grade anchor bolts because they are not listed in the approved anchor bolt section in the AISC manual. Is there a specification that addresses the use of A615 grade anchor bolts?
A320 L7 Nuts and Washers
What grade of nuts and washers are compatible with ASTM A320 Grade L7 bolts and rods?
ASTM Revision Letters
What do the letters and numbers after ASTM grades mean?
Galvanizing F1554 Anchor Bolts
Can all three grades of F1554 anchor bolts be galvanized?
Weldable Nut Grades
What grades of nuts are weldable?
A325X vs. A325 Bolt Head Markings
Do A325X bolts have a special marking on the head that would differentiate them from a standard A325?
“High Strength” Bolts
Are there any other “high strength” bolts other an A325, A449 or A490? Would SAE Grade 5 and 8 qualify?
A194-7 Nuts & High Strength Bolts
Why Are A194 Grade 7 Nuts Not Recommended With High Strength Bolts?
A193 Grade B7 Anchor Bolts
Is A193 Grade B7 a valid specification for anchor bolts?
Large A490 Structural Bolts
Can I order A490 Heavy Hex Structural Bolts larger than 1-1/2″ diameter?
A449 Marking Requirements
What are the marking requirements for A449 bolts?
Weldable F1554-55 Anchor Bolts
Are F1554 Grade 55 anchor bolts always weldable?
F1554-55 vs F1554-36
Can an F1554 Grade 55 anchor bolt be substituted for an F1554 Grade 36 anchor bolt?
A193B7 Service Temperature
What is the maximum service temperature for A193 Grade B7 bolts?
F1554 Anchor Bolt Tolerances
What are the tolerances for F1554 anchor bolts?
Stainless Steel F1554 Anchor Bolts
Do F1554 anchor bolts come in stainless steel?
Mechanically Galvanizing Long Fasteners
Can I mechanically galvanize fasteners that are very long in length?
ASTM A193 B7 vs. A193 B7M
What is the difference between A193 Grade B7 & A193 Grade B7M?