Bolt Industry FAQs

Black Bolt

“Black” Bolts

Are black bolts painted black?

Most likely no. Our “black” bolts are unfinished or bare steel. The term “black bolt” is an industry term for plain finish or no finish bolts. These bolts offer no corrosion resistance and will rust over time. If you are looking for a decorative coating that is actually black, you will want to specify that... Read more

How to Order Tie Rod Assemblies

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

Tie rod assemblies can be very complicated and confusing to someone who does not deal with them on a routine basis. If you are not experienced in dealing with tie rod assemblies, you may not understand all of the necessary information that is required to ensure that you receive the proper components for the tie... Read more

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?

Have you ever gone to order bolts and haven’t known what information you needed to provide to ensure you receive the correct fasteners? Relax, because you’re not alone. If you don’t deal with fasteners on a daily basis, you may not understand all of the necessary information you need to provide in order to ensure... Read more

Manufacturers vs Distributors

What is the difference between a bolt manufacturer and a fastener distributor?

In the fastener industry, there are two different types of fastener companies… distributors and manufacturers. The following FAQ will address the differences between fastener distributors and bolt manufacturers and provide some insight as to when to consider utilizing each type of company for your fastener purchases. What is a fastener distributor? Fastener distributors serve a... Read more

Roll Threading Dimensional Requirements

What specification covers dimensional requirements for roll threaded hex bolts and square head bolts?

ANSI/ASME B18.2.1 is the dimensional specification that covers hex bolts and square head bolts. Note 14 of the specification addresses reduced body material that is used in the roll threading process. “14. Reduced Diameter Body. Bolts may be obtained in “reduced diameter body.” Where “reduced diameter body” is specified, the body diameter may be reduced... Read more

Domestic Requirements

What is a "Domestic Requirement" and how do I know if it applies to my project?

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. The American Recovery and Reinvestment Act of 2009 The American Recovery and Reinvestment Act of 2009, also known as “ARRA” or “Stimulus Plan,” was enacted into... Read more

Bolt Insurance

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

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... Read more

Thread Engagement

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

This is a difficult question to answer. Depending on your application, the answer could be anywhere from 1/2 engagement, up to having two full threads extend beyond the nut. Look at these conflicting answers found in four separate technical publications. Federal Highway Administration, “Guidelines for the Installation, Inspection, Maintenance and Repair of Structural Supports for... Read more

Hex Bolts vs. Hex Cap Screws

What are the differences between a hex cap screw and a hex bolt?

These terms are often incorrectly used interchangeably. The most basic difference between a cap screw and a bolt is the way in which these fasteners are installed. Technically, a bolt is installed by turning a nut to tighten the fastener, while a cap screw in installed by turning the head of the bolt to assemble... Read more

Malleable Iron Washer Details

What are the purposes for the different components in malleable iron washers (MIW)

For many years a malleable iron washer has been a common component in heavy timber and marine construction. With a large bearing surface and thick cast design they help prevent the bolt head or nut from pulling through wood connections. There are two common types of MIW. One style of malleable washer is produced in... Read more