Will these clamps work on auto radiator hoses?

Yes, very well, with a caveat. These clamps are 3/4" wide and the radiator I wanted to use it for has less than 3/4" length from tank to barb. In this case the clamp would be rubbing on the tank and over lap the barb. If I had 7/8" to 1" flat I would have stayed with this T-bolt clamp. Instead I opted for a 1/2" wide worm gear lined clamp.

Solid pipe is 2.20 " od with digital caliper. hose to go over pipe is 2.22"id. outside of hose is 2.55. which clamp is gonna fit tight?

You should select T clamps based on Hose OD 2.55" = 64.8mm, we suggest to use 2.25" t bolt clamps with the working range at 64mm - 71 mm. thank you!

How would these work on a 2" water suction hose on my gas powered water pump? Honda WX20.

Hello, Dear Linda, Please check your hose OD diameter and make sure it is in the working range. Usually 2" Water hose means its' ID size is 2", but the thickness in different standard is much different, it leads the OD is much different accordingly. Please select appropriate T Clamps based on your OD size. Thank you and have a nice day today. Thank you to consider buying from us: Roadformer Best Regards, Roadformer Products

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Roadformer 4" T-Bolt Hose Clamp - Working Range 108mm - 116mm for 4" Hose ID, Stainless Steel Bolt, Stainless Steel Band Floating Bridge and Nylon Insert Locknut (108mm - 116mm, 2 Pack)

Roadformer 4" T-Bolt Hose Clamp - Working Range 108mm - 116mm for 4" Hose ID, Stainless Steel Bolt, Stainless Steel Band Floating Bridge and Nylon Insert Locknut (108mm - 116mm, 2 Pack)

Product ID: 512116046

Details

Brand
ROADFORMER
Colour
Metallic
Item dimensions L x W x H
12.7 x 10.2 x
Item weight
0.17 Kilograms
Material
Nylon Steel
Number of items
2

🔩1/4"-28 Stainless Steel Bolt

⚙️Nylon Insert Locknut for Vibration Resistance

🛡️304 Stainless Steel Anti-Rust Band

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Description

🔧 Lock in strength, lose the leaks — the clamp that means business.

PRECISION FIT - Working range 97mm-105mm (4" Hose OD) ensures a secure, leak-proof seal every time.
UNMATCHED DURABILITY - Premium 100% stainless steel resists rust & corrosion for long-lasting performance.
VIBRATION PROOF LOCK - Nylon insert locknut maintains consistent clamping force under high vibration & pressure.
EFFORTLESS INSTALLATION - Slide, adjust, and tighten with common hand tools—no hassle, no downtime.
TRUSTED INDUSTRY STANDARD - Roadformer’s 2-pack T-bolt clamps set the benchmark for automotive & industrial reliability.

Roadformer’s 4" T-Bolt Hose Clamp features a robust 1/4"-28 stainless steel bolt, corrosion-resistant 304 stainless steel band with floating bridge design, and a nylon insert locknut to ensure secure, vibration-resistant clamping. Designed for high-pressure, high-vibration environments, this 2-pack delivers professional-grade durability and precision fit for automotive, industrial, and agricultural applications.

Specifications

ASIN	B07M6K6B5V
Best Sellers Rank	1,089,666 in DIY & Tools ( See Top 100 in DIY & Tools ) 4,070 in Pipe Clamps
Brand	ROADFORMER
Colour	Metallic
Customer Reviews	4.6 4.6 out of 5 stars (3,948)
Item Dimensions	12.7 x 10.2 x 2.5 centimetres
Item Weight	0.17 Kilograms
Manufacturer	Roadformer
Material	Nylon, Stainless Steel
Model Number	R400TBSS
Part Number	R400TBSS
Set Name	2 pack
Style	hose
UPC	735551429078
Unit Count	2.0 count

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