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Clamping Force Data - "Card-Loks"
 
CARD-LOKS AND CLAMPING FORCE

The clamping outputs indicated in the table below are the results of averaged data.  Within each series numerous Card-Loks of various lengths, finishes, and configurations were cycle tested.  The accumulated data verified the following:

  • Clamping output is not dependent on length.
  • Clamping output is greatly affected by choice of finish.
  • Clamping output is greatly improved when washers are used.


Customized Card-Lok variations for specific applications are available on request.

CLAMPING OUTPUT OF CARD-LOKS

Description Approximate Load Produced/Variation
Series Screw Size Torque
Setting
With
Chem
Film
Finish
With
Chem Film
Finish and
Washers
With Black
Anodized
Finish
With Black
Anodized
Finish and
Washers
220 4-40 6 in-lbs. 100 lbs. 175 lbs. 275 lbs. 320 lbs.
230 4-40 6 in-lbs. 110 lbs. 200 lbs. 300 lbs. 340 lbs.
240 4-40 6 in-lbs. 110 lbs. 140 lbs. 325 lbs. 335 lbs.
245 6-32 10 in-lbs. 140 lbs. 230 lbs. 400 lbs. 400 lbs.
250 8-32 20 in-lbs. 250 lbs. 400 lbs. 665 lbs. 700 lbs.
255 10-32 31 in-lbs. 400 lbs. 600 lbs. 750 lbs. 825 lbs.
260 4-40 6 in-lbs. ----- 400 lbs. ----- 500 lbs.
261 4-40 6 in-lbs. ----- 150 lbs. ----- 275 lbs.
265 4-40 6 in-lbs. ----- 350 lbs. ----- 475 lbs.
280 8-32 20 in-lbs. ----- 750 lbs. ----- 900 lbs.