Pretty but tough, November 26, 2007

By 

Kelly R. Short “kayareus” (Oklahoma City, OK United States) – See all my reviews

  

I was a bit worried when I noticed that some of the other Irwin C-clamps were getting low ratings. But so far I have had nothing but good luck with these clamps. So far they have not distorted and have stayed true and square. The twin thread design is supposed to help clamp things tighter. I have not noticed much improvement, but maybe that is because I am comparing them to 8″ clamps of the same throat clearance and not 3″ clamps. And some people complained about slow adjusting on the threads. Maybe on bigger C-clamps but on this size I do not notice them being any slower than an Adjustable brand clamp. When you look at this clamp it looks beefy for its size and the color is nice to look at compared to bare steel of other clamps. So far I have only had satisfactory results.

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good size but head clearance a problem, November 11, 2009

By 

B. Stenman – See all my reviews

  

I needed some deep C clamps and bought two of these for use on a drill press in the shop. What I did not realize until I used them for the first time is that the clamping section is very tall and can get in the way. I have switched to the Bessey deep C-clamps where the clamping section only sticks up 1/3 as much.

Bessey CM34DR 3-Inch x 4-1/2-Inch Malleable Deep Reach C Clamp

The Irwin are well made and the course threading makes changing the clamp very quick. The threads also appear to be plated but I am still making use of WD-40 to prevent rusting. WD-40 is one of those taxpayer funded products (for the US Navy) that still is the best product available at any price for removing and preventing rust.

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