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FLAT-TOP TECHNICAL DATA

 

Recommended Driving Speed: For drilling fasteners #12 through #18 use an electric screw gun with a depth sensing nose piece @ 2,000 RPM maximum.   Self-tapping fasteners carbon & 410 stainless @ 2,000 RPM maximum and 300 stainless @ 800 RPM maximum.

FASTENER STRENGTH
Fastener Diameter Minimum Tensile Minimum Torque Minimum Shear
#12-24 3,250 lbs. 100 in. lbs. 2,100 lbs.
1/4-14 3,850 lbs. 150 in. lbs. 2,600 lbs.

 

flattoppullover.jpg (6651 bytes) PULL-OVER VALUES (lbs.)
Gauge
Size 22(.030) 24 (.023) 26 (.018)
#12-14 1,128 982 621
1/4-14 1,254 1,015 648

 

flattoppullout.jpg (6024 bytes) PULL-OUT VALUES (lbs.)
Gauge
Size Point 12 14 16 18
#12-14 TCP3 1,634 1,066 760 554
1/4-14 TCP3 1,861 1,148 883 613

 

flattopshear.jpg (6144 bytes)

SHEAR VALUES (lbs.)
 

Gauge

Size Point 26-26 24-24 22-22 20-20 18-18 16-16 14-14 12-12 1/8-1/8 3/16-3/16 1/4-1/4
12-14 TCP1 435 706 756 1,021 1,455 - - - - - -
1/4-14 TCP1 514 852 888 1,247 1,767 - - - - - -
8-18 TCP2 297 499 563 743 1,063 1,081 - - - - -
10-16 TCP2 315 481 592 833 1,209 1,271 - - - - -
12-14 TCP2 368 603 626 901 1,373 1,761 2,141 - - - -
8-18 TCP3 - - - 733 1,093 1,213 1,217 - - - -
10-16 TCP3 - - - 731 1,269 1,543 1,555 - - - -
10-24 TCP3 - - - 754 1,211 1,557 1,697 - - - -
12-14 TCP3 - - - 772 1,361 1,623 1,973 1,989 - - -
1/4-14 TCP3 - - - 933 1,445 2,103 2,587 2,653 2,823 - -
12-24 TCP4 - - - - - - - 2,051 2,703 - -
12-24 TCP5 - - - - - - - - 2,703 2,723 2,765

All test results and recommendations are based on laboratory tests.  Specific job site conditions should be taken into consideration when specifying the proper fastener.   Because applications vary, we assume no liability for use of this information.

 


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Last modified: April 21, 2005