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You are here: Home / Archives for structural bolting

structural bolting

Bolt Length Estimation Table for F3125 Grade A325 and A490 Bolts

November 1, 2017 By Birmingham Fastener

This table can be used as a guide for bolt length estimation for our structural bolts. Add the length below to grip to determine bolt length required. If beveled washers are used, add an additional 5/16 inch to the no washer column for each bevel washer. If you have any questions, please contact our sales team.

Nominal
Bolt
Diameter
No Washer One Washer Two Washers
1/2 11/16 55/64 1 3/64
5/8 7/8 1 1/32 1 3/16
3/4 1 1 5/32 1 5/16
7/8 1 1/8 1 9/32 1 7/16
1 1 1/4 1 13/32 1 9/16
1 1/8 1 1/2 1 21/32 1 13/16
1 1/4 1 5/8 1 25/32 1 15/16
1 3/8 1 3/4 1 29/32 2 1/16
1 1/2 1 7/8 2 1/32 2 3/16
Contact our Sales Team to Discuss Your Next Project

How to Perform a Preinstallation Verification Test on a Tension Control Bolt

How to Reapply Bolt Lubricant

Bolt Strength Requirements by Grade

A325 Bolts vs. A490: What is the Difference?

How to Perform a Preinstallation Verification Test on a Hex Assembly

How to Perform a Rotational Capacity Test

Understanding and Preventing Fastener Corrosion

Adhesive Anchor Cross Reference

Anchor Bolts: Types and Uses

Type 304 and Type 316 Stainless Steel Fasteners

Filed Under: Structural Bolting Tagged With: charts, resources, structural bolting, structural bolts

F3125 Grade A325 and A490 Heavy Hex Bolt Nominal Dimensions (Inches)

May 4, 2017 By Birmingham Fastener

This chart details the nominal dimensions of our F3125 structural bolts. You can download a printable version here.

Filed Under: Structural Bolting Tagged With: charts, resources, structural bolting, structural bolts

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Birmingham Fastener News

Baron Yarborough to Lead Sales at Gasket Manufacturer, Champion

May 3, 2022

Birmingham Fastener Announces Acquisition of Rubber Gasket Company, Champion

April 29, 2022

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Birmingham Fastener Announces K-T Bolt Acquisition

March 4, 2022

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