Clamps, Inc.
5960 American Road East, Toledo, OH 43612
Phone 800-837-0141• 419-729-2141
Fax 419-729-5776
E-mail: info@clampsinc.com

U Series

Heavy Duty 360° Seal
Guillotine Style Muffler Clamp

Due to its superior sealablity and versatility the U-Series is our most popular style clamp. With the new 2007 emission standards it is more important than ever to use clamps that will get the job done. Developed and used for over 48 years the best new clamp on the market is the one you have been using for decades. These clamps provide a complete 360 deg. heavy duty seal to surpass all of your needs. The U-Series is available in a variety of sizes, materials and finishes.
*See chart below for sizing, material and finishes

U Series Part Dimensions (For Reference Only)
Size Part#  A B C D E F G GA Wt.
2.00" U200 3.10 2.50 4.00 1.50 2.17 0.69 1.89 13ga 0.45
2.25" U225 3.35 2.75 4.12 1.50 2.42 0.69 2.00 13ga 0.50
2.50" U250 3.61 3.00 4.38 1.50 2.67 0.72 2.14 13ga 0.53
2.75" U275 3.86 3.25 4.62 1.50 2.92 0.69 2.25 13ga 0.56
3.00" U300 4.11 3.50 4.87 1.50 3.17 0.66 2.37 13ga 0.60
3.25" U325 4.34 3.75 5.12 1.50 3.42 0.69 2.50 13ga 0.65
3.50" U350 4.61 4.00 5.37 1.50 3.67 0.68 2.69 13ga 0.72
3.88" U378 4.91 4.25 5.50 1.50 3.92 0.69 2.75 11ga 0.90
4.00" U400 5.14 4.50 6.18 1.50 4.17 0.70 2.91 13ga 0.82
4.44" U476 5.49 4.81 6.18 1.50 4.48 0.87 3.24 11ga 1.09
4.50" U450 5.61 5.00 6.50 1.50 4.67 0.73 3.22 11ga 1.11
5.00" U500 6.19 5.50 7.12 1.50 5.17 0.78 3.37 11ga 1.24
5.50" U550 6.67 6.00 7.43 1.50 5.67 0.67 2.49 11ga 1.14
6.00" U600 7.18 6.50 7.81 1.50 6.17 0.80 2.62 11ga 1.24

Material (Complete Clamp):
U-Bolt -C1018 - 3/8-16 UNC-2A Threads
Saddle - 1008-H.R.P.O.
Nuts - Serrated Flanged

Optional Material:
304 Stainless Steel

Optional Finishes: *Other Finishes May Be Available Upon Request.
Clear Zinc - Yellow Zinc - Chrome
Black Paint - Black Zinc
Tolerances:
Standard Packs:

*We reserve the right to change specifications and/or designs without prior notice or obligation

See Our General Tolerance Requirements For U-Bolts 
Other packs may be available upon request

We can do custom labeling and barcoding!