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Question: Can I order bolts to ASTM A709 Grade 36?

Answer: The simple answer here is no. ASTM A709 is a specification that covers carbon and high-strength structural steel plates and bars intended for use in bridge applications. Read More...

Question: What are the tolerances for F1554 anchor bolts?

Answer: In our Live Chat, numerous customers have asked us about tolerances under the F1554 specification relating to things like diameter, length, straightness, and many other parameters. Read More...

Question: What is the difference between A193 Grade B7 & A193 Grade B7M?

Answer: Several ASTM specifications are followed by an “M” that denotes it being an equivalent metric standard. While there is actually an A193M Grade B7 specification which is applicable to metric fasteners, this is not the case with ASTM A193 Grade B7M. Read More...

Question:  Are there straightness tolerances for ASTM F1554 anchor bolts?

Answer: No. The ASTM F1554 specification defines tolerance ranges for various dimensional requirements such as thread dimensions, thread length variance, overall length, (and in the case of bent anchor bolts) bend section, hook length, and bend length. Read More...

Question: Does ASTM A123 apply to bolts and fasteners as a galvanizing specification?

Answer: ASTM A123 does not cover threaded bolts and fasteners.  ASTM A153 and F2329 are the ASTM specifications that cover the requirements for hot-dip zinc coating of fasteners. Read More...

Question: Can I order bolts to A588?

Answer: ASTM A588 is a common steel standard that covers high strength, low-alloy structural steel shapes, plates, and bars with improved atmospheric corrosion resistance that is intended for riveted, bolted, or welded construction.  Read More...

Question: Can I order bolts to A572 Grade 50?

Answer: ASTM A572 is a common structural steel standard that covers five grades (42,50,55,60,65) of high strength, low-alloy structural steel shapes, plates, and bars. Read More...

Question: Can I order bolts to ASTM A36?

Answer: ASTM A36 is a very common steel standard that covers structural carbon steel shapes, plates and bars. Fasteners are not specifically included in the scope of A36, but that doesn’t stop engineers and contractors from asking for A36 bolts. Read More...

Question: What are the imperial/ASTM equivalents for metric fastener grades?

Answer: Both ASTM F568M and ISO 898-1 outline several grades of metric fastener, from low carbon/low strength, up to high strength/heat treated alloy grades. Read More...

Question: Can a carriage bolt be supplied to the A325 specification?

Answer: Technically, carriage bolts cannot be manufactured to the A325 specification. Read More...