Fastener Standards Organizations
What standards organizations and specifying committees cover the types of bolts and fasteners Portland Bolt manufactures?
FAQs
A320 L7 Bolts in Slip Critical Connections
Can A320 L7 grade bolts be used for Slip Critical connections?
A325 Countersunk Bolts
Can Portland Bolt manufacture A325 countersunk bolts?
Body Bound Bolts
Does Portland Bolt make body bound 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?
Rolled Thread Bolt Diameter
Do Bolts with Rolled Threads have a Full Body Diameter or a Reduced Body Diameter?
A320 L7 Nuts and Washers
What grade of nuts and washers are compatible with ASTM A320 Grade L7 bolts and rods?
Portland Bolt Business Hours
What are the business hours at Portland Bolt?
“Structural Grade” Fasteners
Is there a “structural grade” for fasteners?
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?
AASHTO
What is AASHTO an Acronym For?
A194-7 Nuts & High Strength Bolts
Why Are A194 Grade 7 Nuts Not Recommended With High Strength Bolts?
Stainless Steel Fastener Magnetism
Are stainless steel fasteners magnetic?
Internal Thread Corrosion
Since the threads inside of a hot-dip galvanized nut are bare metal, will they corrode?
Bolts Made from 44W Steel
Does Portland Bolt manufacture bolts from 44W steel?
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?