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HIGH STRENGTH POSITIVE TENSION SHEAR BOLTS ( TC BOLTS )

CLICK HERE TO VIEW ASTM F1852/A325 TC BOLT CATALOG PAGES

(ASTM F2280 A490 TC PAGES COMING SOON)

INTRODUCTION  ADVANTAGES  INSTALLATION PROCEDURES  DIMENSIONS 

 Introduction:

High Strength Positive Tension Shear Bolts have their own built in torque control device and are installed without the use of torque-controlled tools.

The torque requirements of the bolts are achieved by engaging the bolt and nut with inner and outer sockets and driving with the electric shear wrench until the control groove shears off the spline.

Advantages:

1. Controlled- fastener tension can be assured

2. Proper bolt torque can be confirmed by the shear-off of the spline.

3. Visual inspection -(No torque gauges required)

4. No special expertise required for installation.

5. Wrench adjustment not required

6. Installation can be achieved by one operator on one side of the structure.

7. Substantial reduction in installation noise.

8. Cost saving as a result of substantial reduction of labor and time.

Installation Procedures:

1. Place bolt thru hole in the joining members.

2. Attach washer & run up nut finger tight to the working members. 3. Fit the inner socket firmly over the bolt tip (spline).

4. Engage the outer socket over the nut by pushing the wrench.

5. Pull lever switch to on. The outer socket rotates the nut until the torque control groove in the spline shears off, thereby achieving proper bolt tension.

6. Turn off wrench when bolt tip (spline) shears off.

7. Pull the wrench back to remove outer socket from the nut.

 

8. Pull the eject lever on the wrench to discharge the severed bolt tip (spline) from the inner socket.

 

FOR INQUIRIES OR QUESTIONS CALL 800-237-7059 OR USE OUR ON-LINE QUOTE FORM

 

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©copyright SLSB LLC dba St. Louis Screw and Bolt    11/04/2007