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-1315 N/A 0.812 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 0.968 "
CO-1317 N/A 0.812 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.031 "
CO-1409 N/A 0.875 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.812 "
CO-1411 N/A 0.875 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.875 "
CO-1413 N/A 0.875 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.937 "
CO-1415 N/A 0.875 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.000 "
CO-1417 N/A 0.875 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.062 "
CO-1509 N/A 0.937 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.843 "
CO-1511 N/A 0.937 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.906 "
CO-1513 N/A 0.937 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 0.968 "
CO-1515 N/A 0.937 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.031 "
CO-1517 N/A 0.937 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.600 " N/A 1.093 "
CO-1609 N/A 1.000 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.875 "
CO-1611 N/A 1.000 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.937 "
CO-1613 N/A 1.000 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.000 "
CO-1615 N/A 1.000 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.062 "
CO-1617 N/A 1.000 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.125 "
CO-1709 N/A 1.062 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.906 "
CO-1711 N/A 1.062 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 0.968 "
CO-1713 N/A 1.062 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.031 "
CO-1715 N/A 1.062 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.093 "
CO-1717 N/A 1.062 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.156 "
CO-1809 N/A 1.125 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.937 "
CO-1811 N/A 1.125 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.000 "
CO-1813 N/A 1.125 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.062 "
CO-1815 N/A 1.125 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.125 "
CO-1817 N/A 1.125 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.187 "
CO-1909 N/A 1.187 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 0.968 "
CO-1911 N/A 1.187 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.031 "
CO-1913 N/A 1.187 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.093 "
CO-1915 N/A 1.187 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.156 "
CO-1917 N/A 1.187 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.218 "
CO-2009 N/A 1.250 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.000 "
CO-2011 N/A 1.250 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.062 "
CO-2013 N/A 1.250 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.125 "
CO-2015 N/A 1.250 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.187 "
CO-2017 N/A 1.250 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.250 "
CO-2109 N/A 1.312 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.031 "
CO-2111 N/A 1.312 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.093 "
CO-2113 N/A 1.312 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.156 "
CO-2115 N/A 1.312 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.218 "
CO-2117 N/A 1.312 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.281 "
CO-2209 N/A 1.375 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.062 "
CO-2211 N/A 1.375 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.125 "
CO-2213 N/A 1.375 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.187 "
CO-2215 N/A 1.375 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.250 "
CO-2217 N/A 1.375 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.312 "
CO-2309 N/A 1.437 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.093 "
CO-2311 N/A 1.437 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.156 "
CO-2313 N/A 1.437 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.218 "
Unit of Measure
1 2 3 4 5