BOTTEN 4 Pack 1" T-Bolt Hose Clamp, Clamp Range 32-37mm for 1" Hose ID, hose clamps Stainless Steel,hose clamp heavy duty,radiator hose clamps

I use these on 1" high pressure black HDPE 'Poly' pipe. The T-Bolt style are so much better than typical automotive hose clamps (aka: 'worm-drive' clamps). Since I started using T-Bolt clamps on my irrigation lines I seldom get a leak. And since all my pipe is buried, and will be for 30 years, any leak now or in the future is gonna ruin my day. I found the Botten 32 - 37mm to fit my 1inch SDR-11 (150psi) HDPE and PEX pipe perfectly. If you have SDR-9 (which is 250psi) pipe, the thicker walls on the pipe will require the next larger size of clamp. Just say'n.

Heavy duty clamps work well

A far superior hose clamp as opposed to the worm gear style hose clamp. Was perfect for my application.

Clamps are well made. Arrived very timely.

These clamps seem like they will last a long time and are very well-made. However, they didn’t fit for my application. I kept them because I will use them in the future.

These will barely cinch down to fit a 1” polyethylene pipe. If you go that far it can loose connection with the bolt threads. Lost use of one of four clamps.

Awesome clamp. It spreads the clamp pressure all around the hose. Seems like it does it equally so there is less likely of any leakage. Worked perfect for me.

Heavy duty, work great!!!

Great Pool clamps. no leaks

Broke after one time use almost all 8 of them

Does the job

Wouldn't tighten down enough to seal hose. When I went to remove them they broke. Plain old gear clamp worked better.

I definitely think that these tclamps are well worth the price, they work everytime and are mandatory on NHRA vehicles, so I thought they would do for my project.