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

Sort by
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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-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-2409 N/A 1.500 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.125 "
CO-2509 N/A 1.562 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.156 "
CO-2609 N/A 1.625 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.187 "
CO-2709 N/A 1.687 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.218 "
CO-2809 N/A 1.750 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.250 "
CO-2909 N/A 1.812 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.281 "
CO-3009 N/A 1.875 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.312 "
CO-3109 N/A 1.937 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.343 "
CO-3209 N/A 2.000 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.375 "
CO-3309 N/A 2.062 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.437 "
CO-3409 N/A 2.125 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.468 "
CO-3509 N/A 2.187 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.500 "
CO-3609 N/A 2.250 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.531 "
CO-3709 N/A 2.312 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.562 "
CO-3909 N/A 2.437 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.625 "
CO-4109 N/A 2.562 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.687 "
CO-4309 N/A 2.687 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.750 "
CO-4509 N/A 2.812 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.812 "
CO-4709 N/A 2.937 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.875 "
CO-4909 N/A 3.062 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 1.937 "
CO-5309 N/A 3.312 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 2.062 "
CO-5709 N/A 3.562 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 2.187 "
CO-6109 N/A 3.812 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 2.312 "
CO-6509 N/A 4.062 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.375 " N/A 2.437 "
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-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-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-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-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 "
Unit of Measure
1 2 3 4 5