Keystone Fastening Technologies
Keystone Fastening Technologies
114 VIP Drive, Wexford, PA 15090
Phone: 1.800.659.5972
Email: info@keystonefastening.com
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Wiring and Tube Clamps (Medium Duty)
Clamping Diameters range from 0.187" - 4.062"
Bolt Hole Diameters include 0.281", 0.343", 0.406", 0.468", 0.531"
Materials/finishes available include G90 galvanized steel, aluminum and stainless steel
Aluminum available from .187" - 2.000" clamping diameter in 09 series
Stainless Steel available from .375" - 2.000" clamping diameter in 09 series
Call for pricing.

CO Clamps - Photo
Unit of Measure
1 2 3 4 5 

Item #

Clamping Diameter (D2) ±.015

Hole Diameter (H) ±.005

Width (W) ±.010

Hole Center To End (E) ±.015

Slot Length (S) ±.020

Center To Center (L) ±.031

CO-0309 N/A 0.187" N/A 0.281" N/A 0.500" N/A 0.312" N/A 0.375" N/A 0.468"
CO-0311 N/A 0.187 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.531 "
CO-0313 N/A 0.187 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.593 "
CO-0409 N/A 0.250 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.500 "
CO-0411 N/A 0.250 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.562 "
CO-0413 N/A 0.250 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.625 "
CO-0415 N/A 0.250 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.562 " N/A 0.687 "
CO-0509 N/A 0.312 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.531 "
CO-0511 N/A 0.312 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.593 "
CO-0513 N/A 0.312 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.656 "
CO-0515 N/A 0.312 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.562 " N/A 0.718 "
CO-0517 N/A 0.312 " N/A 0.531 " N/A 0.875 " N/A 0.562 " N/A 0.625 " N/A 0.781 "
CO-0609 N/A 0.375 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.562 "
CO-0611 N/A 0.375 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.625 "
CO-0613 N/A 0.375 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.687 "
CO-0615 N/A 0.375 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.562 " N/A 0.750 "
CO-0617 N/A 0.375 " N/A 0.531 " N/A 0.875 " N/A 0.562 " N/A 0.625 " N/A 0.812 "
CO-0709 N/A 0.437 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.593 "
CO-0711 N/A 0.437 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.656 "
CO-0713 N/A 0.437 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.718 "
CO-0715 N/A 0.437 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 0.781 "
CO-0717 N/A 0.437 " N/A 0.531 " N/A 0.875 " N/A 0.562 " N/A 0.625 " N/A 0.843 "
CO-0809 N/A 0.500 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.625 "
CO-0811 N/A 0.500 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.687 "
CO-0813 N/A 0.500 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.750 "
CO-0815 N/A 0.500 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 0.812 "
CO-0817 N/A 0.500 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 0.875 "
CO-0909 N/A 0.562 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.656 "
CO-0911 N/A 0.562 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.718 "
CO-0913 N/A 0.562 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.781 "
CO-0915 N/A 0.562 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 0.843 "
CO-0917 N/A 0.562 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 0.906 "
CO-1009 N/A 0.625 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.687 "
CO-1011 N/A 0.625 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.750 "
CO-1013 N/A 0.625 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.812 "
CO-1015 N/A 0.625 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 0.875 "
CO-1017 N/A 0.625 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 0.937 "
CO-1109 N/A 0.687 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.718 "
CO-1111 N/A 0.687 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.781 "
CO-1113 N/A 0.687 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.843 "
CO-1115 N/A 0.687 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 0.906 "
CO-1117 N/A 0.687 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 0.968 "
CO-1209 N/A 0.750 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.750 "
CO-1211 N/A 0.750 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.812 "
CO-1213 N/A 0.750 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.875 "
CO-1215 N/A 0.750 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 0.937 "
CO-1217 N/A 0.750 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.000 "
CO-1309 N/A 0.812 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.781 "
CO-1311 N/A 0.812 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.843 "
CO-1313 N/A 0.812 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.906 "
Unit of Measure
1 2 3 4 5