Ask the Expert

Question: What is the Unified National Coarse thread pitch for a 1-5/8” diameter bolt?

Answer: Currently, the American Society of Mechanical Engineers (ASME) specification B 1.1 does not define a “standard” Unified National Coarse (UNC) thread pitch for 1-5/8” diameter bolts Read More...

Question: Are black bolts painted black?

Answer: Most likely no. Our “black” bolts are unfinished or bare steel. Read More...

Question: What information do I need to provide when ordering tie-rods or requesting a quotation to ensure that I receive the correct product?

Answer: Tie-rod assemblies can be very complicated and confusing to someone who does not deal with them on a routine basis. Read More...

Question: What information do I need to provide when ordering bolts or requesting a quotation to ensure that I receive the correct product?

Answer: Below is list of information to provide and an explanation of how each factor effects price and lead time. Read More...

A comprehensive look at the differences between fastener manufacturers and fastener distributors. This article covers potential considerations to take when choosing a bolt supplier, as well as comparisons between several different types of bolt suppliers. Read More...

ANSI/ASME B18.2.1 is the dimensional specification that covers hex bolts and square head bolts.  Read More...

There are a variety of different types of construction projects that require domestically manufactured (U.S.-made) products, including bolts. There are three main pieces of legislation that mandate “domestic” products. Read More...

Question: What is Product Liability Insurance? Which companies should have it?

Answer: Truly an asset you may not always like paying for but one you surely cannot live without. All manufacturers, wholesalers, distributors, in fact all those involved in the “stream of commerce” should have adequate product liability insurance. Product liability insurance is an insurance policy that would provide protection against liabilities, within the policy limits, for any damages or injury resulting from the use of the insured’s goods or services. Read More...

Question: How much thread engagement is recommended, i.e. how many threads should extend beyond the nut?

Answer: This is a difficult question to answer. Depending on your application, the answer could be anywhere from ¾ engagement, up to having two full threads extend beyond the nut. Look at these conflicting answers found in three separate technical publications. Read More...

The differences between a hex cap screw and hex bolt are fairly significant, both from a manufacturing perspective and application standpoint. Read More...