Coil Bolts

Coil bolts, or “coil thread” hex bolts, are large, self-cleaning threads with a rounded root thread shape. It is often advised to coat the threads with lubricant in order to make removal from concrete easier.

Frequently Asked Questions About Coil Bolts

What are coil bolts used for?

Coil bolts are typically used for concrete applications, specifically the fast assembly and disassembly of concrete forms.

What sizes are coil bolts available in?

AFT offers coil bolts in diameter-thread sizes ranging from 1/2”-6 to 3/4”-4 1/2, and lengths ranging from 2 1/2-4”.

What materials and finishes are available?

AFT offers coil bolts made of carbon steel with a plain finish.

What is the difference between a coil bolt and a coil rod?

A coil rod is sold in lengthier segments meant to be sawed down, whereas a coil bolt is sold in fixed lengths that end in a head.

Do coil bolts come with nuts and washers?

No, nuts and washers are sold separately. However, it’s worth noting coil bolts are specifically meant to be used with coiled thread hex nuts or coiled thread wing nuts.