How to Order Bolts
What information do I need to provide when ordering bolts or requesting a quotation to ensure that I receive the correct product?
Greg Lindsay
Manufacturers vs Distributors
What is the difference between a bolt manufacturer and a fastener distributor?
Fastener Substitution Liability
What are the liability issues involved in substituting one fastener grade or configuration for another?
Rolled vs Cut Thread Bolts
What is the difference between a bolt with rolled threads and one with cut threads and does a fastener with a reduced body and rolled threads meet ASTM specifications?
Headed Bolts vs Rod with a Nut
Can a threaded rod with a welded nut be substituted for a bolt with a forged head?
F1554 Grade 36 All Thread Rod
Does commercially available mild steel all thread rod meet ASTM F1554 grade 36?
Large Diameter SAE Bolts
Are SAE Grade 2, 5, and 8 bolts available in diameters over 1½”?
A325T
What is an A325T bolt?
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?
Galvanized Bolts and Chased Threads
Can threads be chased after hot-dip galvanizing for proper nut fit?
SAE Grade 8 markings
What visual markings does a grade 8 piece of all thread rod have that would identify it as being so? Meaning, how can you tell just by looking at a stick that it’s grade 8?
ASTM and SAE Differences
What are the main difference between ASTM 307 GR.B, ASTM A449, and SAE Grade 5 bolts?
ASTM A325 vs A449
I have two items that use 1″ bolts, one is ASTM A325 and the other is ASTM A449, I would like to just use one. Which is the one that meets or exceeds the other?
Hex Bolts vs. Hex Cap Screws
What are the differences between a hex cap screw and a hex bolt?
Lag Screw Shear Strength
How do I determine the shear capacity and strength of lag screws?
Grade 55 Steel Properties
Can I use ASTM 108 Round Bar, a CF-1018 round bar, for F1554 Grade 55?
Malleable Iron Washer Details
What are the purposes for the different components in malleable iron washers (MIW)
Grade C Eliminated From ASTM A307
What happened to ASTM A307 Grade C?
SAE Grade 8 vs ASTM A490
What are the differences in strength and application between SAE Grade 8 and ASTM A-490?
Structural Bolt Length Tolerance
According to section 9 of the ASME B18.2.6 specification that covers fasteners for use in structural applications, an A325 structural bolt can actually be produced .12” to .25” less than the published length and still meet the specification.
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