Domestic Requirements
What is a “Domestic Requirement” and how do I know if it applies to my project?
FAQs
Portland Bolt East Coast Distributors
Does Portland Bolt have any distributors on the east coast?
Washers for Structural Bolts
Are washers required to be used with an A325 or A490 structural bolt?
Custom F436 Washers
My plans are calling for a 1″ thick, 5″ outside diameter ASTM F436 plate washer. My local supplier is telling me that F436 washers only come in standard sizes that are much smaller. Are these larger F436 plate washers available?
F1554 Grade 55 vs A307 Grade C
My plans call for an A307 grade C anchor bolt and my supplier is offering F1554 grade 55 anchor bolts as a substitution. Is this acceptable?
Fully Threaded ASTM A325 Bolts
Can Portland Bolt manufacture a 1″ x 6″ fully threaded A325 heavy hex structural bolt?
Structural Bolt Connection Types
My company is looking to purchase A325SC, A325N, and A325X heavy hex structural bolts. What is the difference between these three?
A325T
What is an A325T bolt?
Ordering A193 Class 2 Bolts
What is an “A193 Class 2” heavy hex bolt and how do I order them?
Max Temperature for Zinc Fasteners
What is the maximum service temperature limitation for hot-dip galvanized fasteners?
Rebar Threading Issues and Solutions
Is it possible to put threads on rebar?
Wrench Openings and Socket Sizing
How do I determine the proper wrench opening or socket size to tighten a specific size of bolt?
Non-Standard Thread on Structural Bolts
Is it possible to manufacture an A325 or A490 structural bolt with a nonstandard thread length?
Bolt Insurance
What is Product Liability Insurance? Which companies should have it?
Galvanizing Bolts for Pressure Treated Wood
Are current ASTM galvanizing standards suitable for use with the new chemicals being used in pressure treated wood? Some people have told me I need to use double or triple dipped fasteners. Is this true?
UL Listings and ICC-ES Reports
Do your products have a UL Listing or ICC-ES report available?
Cutting Bolts in the Field
Is it acceptable practice to alter a bolt’s length in the field if it is too long?
ASTM A325 vs. Grade 5 bolts
What is the difference between Grade 5 and A325 bolts?
Stainless Steel Grades
What are the differences between 18-8, type 304, and type 316 stainless steels?
Rules for Reusing Bolts
Can a bolt be reused? If so, what grades and in what scenarios?
Stainless Steel Bolt Differences
What are the differences between hex bolts ordered as type 304 stainless steel, A193 Grade B8, and F593 Group 1 (type 304 stainless)?
Substituting High Strength Nuts
Can an A194 grade 2H nut be substituted for an A563 grade DH nut? If so, does it work the other way around… Can an A563 grade DH nut be substituted for an A194 grade 2H nut?