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Brass Worm Wheel

The combination of a worm wheel and worm are the components of a worm gear. A worm gear is a staggering shaft gear that creates motion between shafts using threads cut into a cylindrical bar to provide speed reduction. Speed reduction is determined by the number of worm threads and the number of teeth on the worm wheel.

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Material Brass
Color Yellow
Modulus 0.5
Weight 16g


Size of the worm wheel
Teeth 20
Teeth Dia 11.2mm
Height 12mm/0.47inch
Outer Diameter 11mm/0.43inch
Hole Diameter 4mm/0.16inch
Step Size 9x7mm/0.35x0.27inch ( Dia x H)
Overall Size 12x11x4mm/0.47x0.39x0.12inch( H x OD x ID)


Size of worm gear shaft
Height 20mm/0.79inch
Outer Diameter 9.8mm/0.39inch
Inner Diameter 3.17mm/0.12inch
Size 20x9.8x3.17mm/0.79x0.39x0.12inch( H x OD x ID)


1. Include one 0.5 modulus brass worm gear shaft and one 20 teeth brass worm gear wheel.
2. The transmission structure of the worm shaft is simple, compact, small volume, and lightweight.
3. Worm Shaft Z1=1, turn a round of worm gear teeth, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if used with gear transmission, will need to take the multi-stage message.
4. High-quality material selection and carefully processing create a high-quality product.
5. Made of brass, long-time service.

Products Show:

Processing :

1. Material we can work on: Alloy Steel, Carbon Steel, Stainless Steel, Cast Iron, Aluminum, Copper, Brass, and Plastic.
2. Processing gear and shaft: Forging, Lathing, Hobbing, Milling, Cutting, Shaping, Shaving, Grinding, Heat treatment, Teeth Grinding, Inspection.
3. Heat Treatment Method: Carburizing, Induction, Flame, Nitriding
4. Main Machines of Gear and shaft  Production we Have: NC gear hobbing machines, NC Gear Shapers(Gleason, Mode), NC lathe, NC gear Shaving machines, NC gear milling, and Nc gear grinding Machines.


1) Inner packing: oil paper, Polyethylene bag, box

2) Outer packing: Wooden case or pallet

3) Customized packing is also available

Production Lead Time:

15-35 Days after approval.

L/C, D/A, D/P, T/T, Western Union, Money Gram, PayPal
We provide the terms of payment which other suppliers will never try because we are confident in our quality.

After-sales Service:

Please get in touch with our after-sales service department in time within 30 days after you receive the products

Please provide a copy of the PI and describe the problems that appeared.
1) Slight Problem:
Please send the proof to our After-Sales Department, we will reply within 24 hours
2) Serious Problem:
1. We will dispatch our Quality and Problems Appraisers to make a confirmation
2. Have a negotiation of the compensation and sign agreements
3. Our After-Sales Department will perform the duties as the agreements Warranty 12 Months


Q1:What products can HZPT Group supply?

1. High-Quality Bevel Gear.

2. Transmission Gears for Tractor/Truck/Agriculture Machinery......

3. Construction Machinery Machining Parts

Q2:What is the advantage of HZPT Group?

Factory Price; Stable Production; Custom Work; Quality/Delivery Assurance; Small Order Accepted

Gear Production Line: Established in the year of 1998.

We equipped Gleason and Mould Bevel gear machines, an Automatic gear hobbing machine,

Gear Teeth Shaving, Gear Teeth Grinding, and many gear-related machines.

Q3:Why Choose HZPT Group in China?

With over 21 years of experience, HZPT Group has designed, developed, and manufactured large comprehensive machining products. We maintain the belief in "Honesty and serving the customer" in each process and implement the most professionalized quality control. This offers convenience and many cross-merchandising opportunities.

1. Excellent Operation: Professional Marketing Team For Customer Drawing and Samples.

2. Excellent Quality Control: Equipped with Stick Quality control following with Experienced Engineers.

3. Excellent Cost Saving: Small Trial Lot Order Available.

4. Excellent After Sales Tracking System: Offer Each photo, Delivery, and Marketing Information sharing.

industries we service

We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

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Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.product materials available

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

product finishing


product packages


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

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