Coburn-Myers Fastening Systems, Inc.
Coburn-Myers Fastening Systems, Inc.
3211 West 9th Street, Trainer, PA 19061-5242
Toll Free: (800) 662-7459
E-Mail: sales@coburnmyers.com
Web site: www.coburnmyers.com
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A tension control bolt (TC bolt) is a heavy duty bolt used in steel frame construction. The head is usually domed and is not designed to be driven. The end of the shank has a spline on it which is engaged by a special power wrench which prevents the bolt from turning while the nut is tightened. When the appropriate torque is reached the spline shears off.
USA A490 ROUND HD T.C. BOLT PLAIN W/ A563 DH HVY HEX NUT & F436 WASHER (INCH)
Unit of Measure
1 2 

Item #

Item Name

Package Quantity

Web Price

75C200BT4/NW/DOM N/A 3/4-10 X 2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 280 $1,366.42
75C250BT4/NW/DOM N/A 3/4-10 X 2 1/2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 250 $1,403.25
75C275BT4/NW/DOM N/A 3/4-10 X 2 3/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 250 QUOTE
75C300BT4/NW/DOM N/A 3/4-10 X 3 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 240 $1,457.16
75C325BT4/NW/DOM N/A 3/4-10 X 3 1/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 230 $1,454.75
75C350BT4/NW/DOM N/A 3/4-10 X 3 1/2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 220 $1,444.64
75C375BT4/NW/DOM N/A 3/4-10 X 3 3/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 200 QUOTE
75C400BT4/NW/DOM N/A 3/4-10 X 4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 190 $1,342.82
75C525BT4/NW/DOM N/A 3/4-10 X 5 1/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 140 QUOTE
87C200BT4/NW/DOM N/A 7/8-9 X 2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 200 $1,617.47
87C225BT4/NW/DOM N/A 7/8-9 X 2 1/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 190 $1,595.11
87C250BT4/NW/DOM N/A 7/8-9 X 2 1/2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 180 $1,566.52
87C275BT4/NW/DOM N/A 7/8-9 X 2 3/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 180 $1,621.96
87C300BT4/NW/DOM N/A 7/8-9 X 3 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 170 QUOTE
87C350BT4/NW/DOM N/A 7/8-9 X 3 1/2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 150 QUOTE
87C400BT4/NW/DOM N/A 7/8-9 X 4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 140 QUOTE
87C525BT4/NW/DOM N/A 7/8-9 X 5 1/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 110 QUOTE
87C575BT4/NW/DOM N/A 7/8-9 X 5 3/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 100 $1,272.26
87C600BT4/NW/DOM N/A 7/8-9 X 6 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 90 QUOTE
100C200BT4/NW/DOM N/A 1-8 X 2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 140 $1,632.17
100C225BT4/NW/DOM N/A 1-8 X 2 1/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 140 QUOTE
100C250BT4/NW/DOM N/A 1-8 X 2 1/2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 130 $1,589.62
100C275BT4/NW/DOM N/A 1-8 X 2 3/4 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 130 $1,648.45
100C300BT4/NW/DOM N/A 1-8 X 3 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 120 $1,576.71
100C350BT4/NW/DOM N/A 1-8 X 3 1/2 TENSION CONTROL BOLT A490 TYPE 1 DOMESTIC (WITH NUT AND FLAT WASHER) N/A 110 QUOTE
Unit of Measure
1 2