Keystone Fastening Technologies
Keystone Fastening Technologies
114 VIP Drive, Wexford, PA 15090
Phone: 1.800.659.5972
Email: info@keystonefastening.com
Print Back

Wiring and Tube Clamps (Medium Duty)
Clamping Diameters range from 0.187" - 4.00"
Bolt Hole Diameters include 0.203", 0.281", 0.343", 0.406", 0.468", 0.531"
Materials/finishes available include G90 galvanized steel, stainless steel and aluminum
Cushion Materials include general purpose EPDM and Silicone
Aluminum available from .187" - 2.00" clamping diameter in 09 series

Call for pricing.
COL Clamps - Photo
Unit of Measure
1 2 3 4 5 

Item #

Clamping Diameter (D)

Hole Diameter (H) ±.005

Width (W) ±.010

Hole Center To End (E) ±.015

Center To Center (L) ±.031

Slot Length (S) ±.020

Gage ± .002

COL-0309 N/A 0.187" N/A 0.281" N/A 0.500" N/A 0.312" N/A 0.854" N/A 0.375" N/A 0.032"
COL-0311 N/A 0.187 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.791 " N/A 0.437 " N/A 0.032 "
COL-0313 N/A 0.187 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.729 " N/A 0.500 " N/A 0.032 "
COL-0407 N/A 0.250 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.711 " N/A 0.297 " N/A 0.032 "
COL-0409 N/A 0.250 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.674 " N/A 0.375 " N/A 0.032 "
COL-0411 N/A 0.250 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.611 " N/A 0.437 " N/A 0.032 "
COL-0413 N/A 0.250 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.656 " N/A 0.500 " N/A 0.032 "
COL-0415 N/A 0.250 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.718 " N/A 0.562 " N/A 0.032 "
COL-0417 N/A 0.250 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.781 " N/A 0.625 " N/A 0.032 "
COL-0507 N/A 0.312 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.569 " N/A 0.297 " N/A 0.032 "
COL-0509 N/A 0.312 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.562 " N/A 0.375 " N/A 0.032 "
COL-0511 N/A 0.312 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.625 " N/A 0.437 " N/A 0.032 "
COL-0513 N/A 0.312 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.687 " N/A 0.500 " N/A 0.032 "
COL-0515 N/A 0.312 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.750 " N/A 0.562 " N/A 0.032 "
COL-0517 N/A 0.312 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.812 " N/A 0.625 " N/A 0.032 "
COL-0607 N/A 0.375 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.500 " N/A 0.297 " N/A 0.032 "
COL-0609 N/A 0.375 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.593 " N/A 0.375 " N/A 0.032 "
COL-0611 N/A 0.375 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.656 " N/A 0.437 " N/A 0.032 "
COL-0613 N/A 0.375 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.718 " N/A 0.500 " N/A 0.032 "
COL-0615 N/A 0.375 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.781 " N/A 0.562 " N/A 0.032 "
COL-0617 N/A 0.375 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.843 " N/A 0.625 " N/A 0.032 "
COL-0707 N/A 0.437 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.531 " N/A 0.297 " N/A 0.032 "
COL-0709 N/A 0.437 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.625 " N/A 0.375 " N/A 0.032 "
COL-0711 N/A 0.437 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.687 " N/A 0.437 " N/A 0.048 "
COL-0713 N/A 0.437 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.750 " N/A 0.500 " N/A 0.048 "
COL-0715 N/A 0.437 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.812 " N/A 0.562 " N/A 0.048 "
COL-0717 N/A 0.437 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.875 " N/A 0.625 " N/A 0.048 "
COL-0807 N/A 0.500 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.562 " N/A 0.297 " N/A 0.032 "
COL-0809 N/A 0.500 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.656 " N/A 0.375 " N/A 0.032 "
COL-0811 N/A 0.500 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.718 " N/A 0.437 " N/A 0.048 "
COL-0813 N/A 0.500 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.781 " N/A 0.500 " N/A 0.048 "
COL-0815 N/A 0.500 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.843 " N/A 0.562 " N/A 0.048 "
COL-0817 N/A 0.500 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 0.906 " N/A 0.625 " N/A 0.048 "
COL-0907 N/A 0.562 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.687 " N/A 0.297 " N/A 0.032 "
COL-0909 N/A 0.562 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.750 " N/A 0.375 " N/A 0.032 "
COL-0911 N/A 0.562 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.812 " N/A 0.437 " N/A 0.048 "
COL-0913 N/A 0.562 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.875 " N/A 0.500 " N/A 0.048 "
COL-0915 N/A 0.562 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.937 " N/A 0.562 " N/A 0.048 "
COL-0917 N/A 0.562 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 1.000 " N/A 0.625 " N/A 0.048 "
COL-1007 N/A 0.625 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.718 " N/A 0.297 " N/A 0.032 "
COL-1009 N/A 0.625 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.781 " N/A 0.375 " N/A 0.032 "
COL-1011 N/A 0.625 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.843 " N/A 0.437 " N/A 0.048 "
COL-1013 N/A 0.625 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.906 " N/A 0.500 " N/A 0.048 "
COL-1015 N/A 0.625 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 0.968 " N/A 0.562 " N/A 0.048 "
COL-1017 N/A 0.625 " N/A 0.531 " N/A 1.000 " N/A 0.562 " N/A 1.031 " N/A 0.625 " N/A 0.048 "
COL-1107 N/A 0.687 " N/A 0.203 " N/A 0.500 " N/A 0.250 " N/A 0.750 " N/A 0.297 " N/A 0.032 "
COL-1109 N/A 0.687 " N/A 0.281 " N/A 0.500 " N/A 0.312 " N/A 0.812 " N/A 0.375 " N/A 0.032 "
COL-1111 N/A 0.687 " N/A 0.343 " N/A 0.625 " N/A 0.375 " N/A 0.875 " N/A 0.437 " N/A 0.048 "
COL-1113 N/A 0.687 " N/A 0.406 " N/A 0.750 " N/A 0.437 " N/A 0.937 " N/A 0.500 " N/A 0.048 "
COL-1115 N/A 0.687 " N/A 0.468 " N/A 0.750 " N/A 0.500 " N/A 1.000 " N/A 0.562 " N/A 0.048 "
Unit of Measure
1 2 3 4 5