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-2315 N/A 1.437 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.281 "
CO-2317 N/A 1.437 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.343 "
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-2411 N/A 1.500 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.187 "
CO-2413 N/A 1.500 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.250 "
CO-2415 N/A 1.500 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.312 "
CO-2417 N/A 1.500 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.375 "
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-2511 N/A 1.562 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.218 "
CO-2513 N/A 1.562 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.281 "
CO-2515 N/A 1.562 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.343 "
CO-2517 N/A 1.562 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.406 "
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-2611 N/A 1.625 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.250 "
CO-2613 N/A 1.625 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.312 "
CO-2615 N/A 1.625 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.375 "
CO-2617 N/A 1.625 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.437 "
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-2711 N/A 1.687 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.281 "
CO-2713 N/A 1.687 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.343 "
CO-2715 N/A 1.687 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.406 "
CO-2717 N/A 1.687 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.468 "
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-2811 N/A 1.750 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.312 "
CO-2813 N/A 1.750 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.375 "
CO-2815 N/A 1.750 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.437 "
CO-2817 N/A 1.750 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.500 "
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-2911 N/A 1.812 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.343 "
CO-2913 N/A 1.812 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.406 "
CO-2915 N/A 1.812 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.468 "
CO-2917 N/A 1.812 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.531 "
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-3011 N/A 1.875 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.375 "
CO-3013 N/A 1.875 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.437 "
CO-3015 N/A 1.875 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.500 "
CO-3017 N/A 1.875 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.562 "
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-3111 N/A 1.937 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.406 "
CO-3113 N/A 1.937 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.468 "
CO-3115 N/A 1.937 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.531 "
CO-3117 N/A 1.937 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.593 "
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-3211 N/A 2.000 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.437 "
CO-3213 N/A 2.000 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.500 "
CO-3215 N/A 2.000 " N/A 0.468 " N/A 0.875 " N/A 0.500 " N/A 0.562 " N/A 1.562 "
CO-3217 N/A 2.000 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.625 " N/A 1.625 "
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-3311 N/A 2.062 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.437 " N/A 1.500 "
CO-3313 N/A 2.062 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.500 " N/A 1.562 "
Unit of Measure
1 2 3 4 5