Perforated 12.7mm Worm Drive Hose Clamp, Corrosion Resistant Stainless Steel Adjustable Screw, Automotive and Fuel Lines, China, American Type, Stainless Steel

• Customization: Available
• Standard: DIN, GB
• Product Type: Perforated Worm Drive_American Type
• Model NO.: Wp B12.7 D10-20 W2
• What Material: Stainless Steel
• Packaging: Plastic Bag Placed in Box, Box on Pallet
• Supplier: Factory
• Product Series: Wp
• Bandwidth: 12.7 mm ( (0.5")
• Clamping Range: 10 mm -20 mm (0.39"-0.79")
• Band Thickness: 0.6 mm (0.024")

Product Description

Worm Drive Perforated 12.7 mm (1/2") Band Width Hose Clamps (WP)

Product Description

12.7 mm (1/2" ) bandwidth worm drive hose clamps are popular and economical, widely used in industrial, automotive, household, and agricultural applications.
Also called American type hose clamps, the bands have clean punched rectangular perforations that hold strong and connect easily.
 

Material, clamping range and your logo can be stamped on the band.
Additional sizes not listed below are available as per enquiry.

Product Details:
 

Diameter Range
mm	inch
10-20	0.39-0.79
10-22	0.39-0.87
11-25	0.43-0.98
14-27	0.55-1.06
17-32	0.67-1.26
19-38	0.75-1.50
21-44	0.83-1.73
27-51	1.06-2.01
33-57	1.30-2.24
39-64	1.54-2.52
46-70	1.81-2.76
52-76	2.05-2.99
59-82	2.32-3.23
65-89	2.56-3.50
72--95	2.83-3.74
78-101	3.07-3.98
84-108	3.31-4.25
91-114	3.58-4.49
105-127	4.13-5.00
118-140	4.65-5.51
130-152	5.12-5.98
143-165	5.63-6.50
155-178	6.10-7.01

 

Material
Material Code	Corrosion Resistance	Material
W1	Normal	Screw, Housing and Band are all zinc plated.
W2	Average	Screw is zinc plated. Housing and Band are 201/304 stainless steel.
W4	High	Screw, Housing and Band are all 201/304 stainless steel.
W5	Maximum	Screw, Housing and Band are all 316 Stainless Steel.

 

Suggested Installation Torque
Material Code	Free Torque	Breaking Torque
W1	≤ 0.8 Nm	≥ 5 Nm
W2	≤ 0.6 Nm	≥ 8 Nm
W4	≤ 0.6 Nm	≥ 8 Nm
W5	≤ 0.6 Nm	≥ 8 Nm

Application:

• widely used for securing hoses and pipes that carry air, water, fuel, or oil in various mechanical systems.
• commonly applied in automotive cooling systems, where it ensures a tight and durable seal on radiator and fuel hoses.
• In marine environments, the clamp provides strong corrosion resistance, making it ideal for saltwater piping and onboard machinery.
• also suitable for industrial equipment and hydraulic lines, helping to prevent leaks under high pressure and vibration.
• In the agricultural sector, it is often used in irrigation systems and pump connections to maintain stable water flow.
• For household and plumbing projects, it offers an easy and reliable solution for fixing pipes, garden hoses, and ventilation ducts.
• Thanks to its smooth band and precise worm gear design, this clamp ensures consistent sealing performance, even in demanding or outdoor applications.

 

CHUANGO - Hose Clamp Manufacturer

CHUANGO is a professional hose clamp manufacturer based in Tianjin, China, specializing in the production of worm drive clamps, CV Boot clamps, ear clamps, and heavy-duty clamps.

We focus on high-quality stainless steel clamps with excellent corrosion resistance and stable torque performance, widely used in automotive, industrial, and marine fields.
 

As a direct factory, CHUANGO provides:

• Competitive pricing without middlemen

• Strict quality control from raw material to packaging

• Fast delivery and reliable after-sales support

• OEM / ODM services and customized branding

We have exported our products to Europe, South America, the Middle East, and Southeast Asia, earning trust from clients worldwide.
 

Contact Us

TIANJIN CHUANGO FASTENERS CO.,LTD - Tianjin, China
Your Reliable Partner for All Types of Hose Clamps
Welcome to contact us for samples, quotations, or factory visits!