ASTM A47 vs. A48 vs. A536
What is the difference between ASTM A47, A48, and A536?
FAQs
Custom Packaging
Does Portland Bolt provide custom packaging?
A490 vs F3125 Grade A490
What changes have occurred to the ASTM A490 specification since it was incorporated into the F3125 specification?
A325 vs F3125 Grade A325
What changes have occurred to the ASTM A325 specification since it was incorporated into the F3125 specification?
Stainless Yield & Tensile Strength
What are the strength and yield values for stainless steel bolts?
RCSC
What is the RCSC?
Lock Washers with A325
Can I use a lock washer in an A325 structural connection?
Stainless Grade 55 All Thread
Can I get stainless steel all thread rod in grade 55?
Bridge Washers
What is a bridge washer?
ASTM A153
Does Portland Bolt sell hot-dip galvanized bolts that meet the A153 specification?
ASTM B633
Does Portland Bolt sell zinc plated bolts that meet the B633 specification?
Coupling Nut Tapping
Are Portland Bolt’s stock coupling nuts tapped from one end or from each end?
3/8″ Diameter F1554 Grade 36
Are 3/8” diameter F1554 Grade 36 anchor bolts available?
Specification Diameter Limits
Are there diameter limitations for various fastener specifications?
A193 Grade B8 vs. A320 Grade B8
What is the difference between A193 Grade B8 and A320 Grade B8?
ASTM A194 Grade 2H vs. 2HM
What is the Difference between ASTM A194 Grades 2H and 2HM Nuts?
Heavy Square Head Bolts and Nuts
Are heavy square head bolts and heavy square nuts available?
Large Diameter Anchor Rods
What ASTM specifications are available for anchor bolts with diameters larger than what is covered by ASTM F1554?
Returned Goods
I ordered fasteners from Portland Bolt that I no longer need. Does Portland Bolt accept returns?
Hot Rolled Round Bar Tolerances
What are the tolerances for round bar?
