Embossed Key Adjustable Non-Perforated Worm Gear Clamp, German Type with Thumb Screw, Dust Collection, Dust Collector, Dryer Vent Hose, RV Plumbing

• Customization: Available
• Standard: DIN, GB
• Product Type: Thumb Screw Non-Perforated Worm Gear Hose Clamps
• Model NO.: WNH B12 D140-160 W2
• What Material: W2 Stainless Steel
• What Packaging: Plastic Bag Placed in Box, Box on Pallet
• Supplier: Factory
• Product Series: Wnh
• Band Width: 12 mm (0.47")
• Clamping Range: 140 mm-160 mm (5.52"-6.30")
• Band Thickness: 0.6 mm (0.024")
• Origin: China

Product Description

Thumb Screw Non-perforated Worm Gear Hose Clamps (WNH)
Product Description

A thumb screw instead of a slotted screw allows you to install these clamps without any tools and specifically designed for firm plastic and rubber hose and tube.

 

Material, clamping range and your logo can be stamped on the band.


Product Details

Band Width: 12 mm (0.47")
Band Thickness: 0.6 mm (0.024")

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 both 201/304 stainless.
W4	High	Screw, Housing and Band are all 201/304 stainless steel.

                    

Diameter Range
mm	inch
8-12	0.32-0.47
10-16	0.39-0.63
12-20	0.47-0.79
12-22	0.47-0.87
16-25	0.63-0.98
16-27	0.63-1.06
20-32	0.79-1.26
25-40	0.98-1.57
30-45	1.18-1.77
32-50	1.26-1.97
35-50	1.38-1.97
40-60	1.57-2.36
50-70	1.97-2.76
60-80	2.36-3.15
70-90	2.76-3.54
80-100	3.15-3.94
90-110	3.54-4.33
100-120	3.94-4.72
110-130	4.33-5.12
120-140	4.72-5.51
130-150	5.12-5.91
140-160	5.51-6.30
150-170	5.91-6.69
160-180	6.30-7.09
170-190	6.69-7.48
180-200	7.09-7.87

 

Material Code	Suggested Installation Breaking Torque for 9 mm (0.35") Bandwidth Clamp		Suggested Installation Breaking Torque for 12 mm (0.47") Bandwidth Clamp
	Free Torque in Nm	Breaking Torque in Nm	Free Torque in Nm	Breaking Torque in Nm
W1	≤ 0.6 Nm	≥ 4.5 Nm	≤ 0.6 Nm	≥ 5.0 Nm
W2	≤ 0.6 Nm	≥ 6.0 Nm	≤ 0.6 Nm	≥ 6.5 Nm
W4	≤ 0.6 Nm	≥ 6.0 Nm	≤ 0.6 Nm	≥ 6.5 Nm

       

Application:

• Ideal for DIY repair and maintenance projects for air, fuel, oil, and water hoses.

• Widely used in automotive systems such as radiator, turbo, and fuel line connections.

• Perfect for home plumbing repairs and quick hose replacement.

• Suitable for industrial and machinery maintenance, ensuring secure hose fastening.

• Excellent for marine and outdoor applications, offering corrosion resistance.

• A versatile assortment kit for workshops and garages, convenient for multiple hose sizes.
  
   

 

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!