Indicators on A325 Tension Control Bolt System - Tanner Bolt You Should Know

are now the most popular option in high-strength structural bolting and formally recognized by the AISC (American Institute of Steel Construction) and the RCSC (Research Study Council on Structural Connections) as an authorized installation method. A Tension Control Bolts consists of 1 bolt, 1 nut and 1 washer, pre-assembled and there for they are shown, 1 lot number, on the accreditation documentation.

They are installed with a specialized electrical shear wrench that has an outer socket that turns the nut counterclockwise, while grabbing the spline with the inner socket turning it clockwise. When The Most Complete Run-Down has actually been accomplished the spline snaps off giving you a visual indicator of appropriate installation.

Tension Control Bolts -

Tension Control (TC) Bolts - BACO Enterprises

The Only Guide to F1852-14 Standard Specification for “Twist Off” Type Tension

Due to the fact that of this exclusive lubrication, it is acceptable to re-lubricated TC bolts, in the field, just the manufacture of a TC bolt can re-lubricate a TC assembly. Type-1, Type-3 & Mechanical Galvanized Bolts are in some cases detailed with names such as A325 HS, A325 SC, A325 X or A490 N. These names connect to connection style and bolt setup, however do not change the manufacturing requirements and are ideally not shown on bolt orders.