- Series 400 stainless steel band helps provide resistance to corrosion and wear
- Zinc-plated carbon steel screw resists rust
- Smooth form band helps provide even pressure around the hose
- Pressed tooth form and rounded, raised band edges help prevent damage to the hose
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Precision Brand Smooth Band Metric Worm Gear Hose Clamp
|Price:||$6.20 - $7.90|
|Brand Name||Precision Brand|
|Material Type||Stainless Steel|
|Bolt Hole Size||6 mm|
The Precision Brand smooth band metric worm gear clamp has a ... See more product details
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The Precision Brand smooth band metric worm gear clamp has a stainless steel band and housing, and a plated steel screw, and is appropriate for use in critical hose connections. A worm gear mechanism adjusts the clamp’s diameter to precisely apply sealing pressure. The 9 mm band has a smooth form that helps provide even pressure around the hose, and an efficient seal at low torque. The pressed, non-perforated worm drive teeth and rounded, raised band edges help prevent damage to the hose. The band, housing and screw are made of stainless steel that conforms to the Society of Automotive Engineers (SAE) 400 series standard and provides resistance to corrosion wear. The slotted, 6mm hex-head screw allows installation using a blade screwdriver, nut driver, or socket wrench. The screw is made of carbon steel that is zinc-plated for resistance to rust.
Hose clamps attach hoses to fittings to prevent flow leakage. They come in a variety of designs and distribute uniform pressure over the circumference of hoses to bind them to fittings. Hose clamps are suitable for a large number of industries, and commonly used in industrial, electronic, and automotive applications.
Precision Brand Products manufactures products such as hose clamps, shims, keystock, threaded rods, punch and die sets, and wire. The company, founded in 1946 and headquartered in Downers Grove, IL, meets International Organization for Standardization (ISO) standard 9001.
Top Customer Reviews
1) Made by Norma, OEM/OES for BMW hose Clamps
2) Made in Germany
3) Smooth Band. Will not eat/bite into rubber hose and thus destroying it
4) Excellent Rust Protection
5) High Quality
6) 5x cheaper than buying the BMW hose clamps from BMW dealership. The only difference between these clamps and the BMW clamps are the absence or presence of the fancy "BMW" logo. Again, both (BMW and Precision Brand Products) are made by Norma.
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My only complaint it that they are listed as "material family: stainless steel". I used these to connect silicone hoses to stainless steel quick disconnects. Occasionally I need to wash the exterior of these hoses. Well the first time I washed one the clamp itself discolored; it became darker, almost like black rust or a thin coat of the finish on a firearm. It is important to note the stainless steel quick disconnect which was also washed exhibited no discoloring.
If the band discoloration was the end of it, I would rate this product 4 stars. But, the screw itself is covered it orange rust that has clearly followed the trail of water as this dried from being washed. Listing a product as stainless steel and it discolors more than other SS fittings is understandable, after all there are differing grades of SS. But, including a non-stainless steel screw on a product billed as stainless steel is poor decision. People do purchase SS for reasons other than it looks pretty.
I have already put these in place and hopefully the one rusty clamp is an isolated incident, but If not I will replace these with another clamp next time I do some work on the lines and save these clamps for other applications.
Make sure you measure your current clamps to make sure you get the "right" size. These worked great on a old CB650/750
It's possible that I could have gone down a size to the 12-20 mm option, but I knew the larger size would fit around the hose.
Beyond satisfying the enthusiast OCD needs I have, they are of high quality construction. The edges of the band have a smooth "lip" so they don't cut into the hose. The worm drive screw head can be turned with a slotted screwdriver or a 6mm nut driver or socket. This is particularly helpful if the hose clamp is positioned in a hard to reach location, it's very helpful to be able to reach them with a variety of attachments and extensions connected to a 1/4-inch drive ratchet.
You'd have to really tighten beyond any reasonable amount of clamping pressure to strip these out. If you're having to clamp that tight, you probably have another problem going on.
They are also German made, which was a very nice surprise.
That said, my use for these is automotive. I saw another review about using these on air lines, based on that, I probably wouldn't get these if that was my intention for use.
Most Recent Customer Reviews
Used these on my motorcycle carb intake boots. GREAT replacements. Just wish they came in 12 packs.Published 2 days ago by Jerry G
These are well made clamps and just what I needed. Also, I had trouble finding these particular clamps in a quantity package that was so reasonably priced. Read morePublished 2 months ago by CJJim
Great replacement to the stock clamps! Looks fantastic!Published 4 months ago by Shannon Kachinovas
Perfect for what I needed - Silicon hoses for the electric breweryPublished 4 months ago by Patrick Begley
I don't like the screws. Rust tends to form on them.
I bought these for use in brewing. Read more