What is the lead time for orders?

The average lead time is within 15 workdays for both peak season and off-season.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Can I get samples before placing an order?

Yes, we provide sample services to ensure the product quality meets your requirements.

C45 Steel Stainless Steel Standard 12b-2 Duplex Sprocket

Name: C45 Steel Stainless Steel Standard 12b-2 Duplex Sprocket
Brand: Tianjin Haorongshengye Electrical Equipment Co., Ltd.
SKU: 2008124712

Tianjin, ChinaTianjin Haorongshengye Electrical Equipment Co., Ltd.

US$6.99-15.00

10 Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Standard Or Nonstandard

Nonstandard

Application

Machinery

Model NO.

12B

Hardness

Hardened Tooth Surface

Material

Stainless Steel

Teeth Number

8-100t

Pitch

6.35-100mm

Hole

6/8/10/12....

Keyway

with/Without

Set Screw

with/Without

Hub

with/Without

Surface Treatment

Zinc/Black Oxide

Teeth Treatment

Teeth Hardened

Suitable Chain

Provided

Transport Package

Cartoon Box/Wooden Box

Trademark

HRSY

Origin

Tianjin

HS Code

7315119000

Key features

Customizable Specifications: Teeth 8-100t, Pitch 6.35-100mm, Hole 6-12mm, Keyway, Set Screw, Hub, and Surface Treatment are all customizable.

Wide Material Selection: Available in Carbon Steel, Stainless Steel, Aluminum, Nylon, POM, Copper, Brass, and 42CrMo.

Multiple Bore Types: Supports Pilot bore, Finished bore, Taper bore, Bearing hole, and Special bore configurations.

Diverse Surface Treatments: Options include Zinc Plating, Chrome Plated, Black Oxide, Spray Paint, Mirror Finish, and Sand-blasting.

OEM/ODM Service: We provide OEM service and can customize products according to your specific drawings.

High-Quality Standards: Manufactured with precise tooth profiles to maximize chain performance, meeting ANSI, DIN, and ISO standards.

Fast Response Time: Professional technical team replies to inquiries within 24 hours with 24-hour online service.

Sample Service Available: We provide sample services to ensure product quality meets your requirements before bulk order.

Company profile

Tianjin Haorongshengye Electrical Equipment Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2023-06-20 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.87h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryTianjin Haorongshengye Electrical Equipment Co., Ltd. is identified as a China-based limited company established in 2008, with 20 employees and operations in Tianjin. The available information presents it as a manufacturer and exporter of mechanical transmission products, including gears, racks, sprockets, roller chains, and timing pulleys, supported by 10 production lines and stated CNC, measurement, and heat-treatment equipment. It reports export markets across multiple regions and lead times of within 15 working days in both peak and off-peak seasons. The company states that it follows CE and ISO 9001 standards and offers bespoke solutions, but the provided slices do not include certificate documents or detailed after-sales procedures. Its company classification is also described as a trade company in one record, creating some ambiguity regarding its operating model. Customer-trade evidence is limited to two transactions associated with one Ukrainian buyer.

Supplier typeThe supplier is legally presented as Tianjin Haorongshengye Electrical Equipment Co., Ltd., a Chinese limited company established in 2008. Its profile describes it as a professional manufacturer and exporter, while another record classifies the company nature as a trade company; therefore, the evidence supports a manufacturer/exporter profile but also indicates an operating-model inconsistency.

R&D capabilityThe company reports three R&D engineers, offers bespoke solutions, and has introduced CNC hobbing, machining, grinding, broaching, measurement, punching, and heat-treatment equipment. This supports product-development and engineering capability, although the slices do not document patents, new product launches, R&D investment, or specific innovation outcomes.

Production capacityThe supplier reports a 220.0 m² manufacturing plant, 10 production lines, fewer than five quality-control staff, and advanced manufacturing and testing equipment. It also states that peak- and off-peak-season order fulfillment is within 15 working days, indicating operational capacity, although the relatively small stated plant area and limited QC staffing should be considered when assessing scalability.

Customization capabilityThe supplier explicitly states that it offers bespoke solutions, and its described design, development, production, CNC machining, measurement, and heat-treatment capabilities are directly relevant to customized mechanical transmission products. The slices do not specify customization limits, engineering workflows, prototype capability, or minimum order requirements.

Product Q&A

Q:What customization options are available?

We offer extensive customization including Teeth Number (8-100t), Pitch (6.35-100mm), Hole size (6/8/10/12mm), Keyway, Set Screw, Hub, and Surface Treatment (Zinc/Black Oxide).

Q:What materials are used for the sprockets?

Materials include Carbon Steel, Stainless Steel, Aluminum, Nylon, POM, Copper, Brass, 42CrMo, 40Cr, and A3.

Q:What surface treatments are offered?

Available treatments include Zinc Plating, Chrome Plated, Black Oxide Treatment, Spray Paint, Mirror Finish, and Sand-blasting.

Q:What types of bores are supported?

We support Pilot bore, Finished bore, Taper bore, Bearing hole, and Special bore configurations.

Q:Do you provide OEM or ODM services?

Yes, we provide OEM service and can customize products according to your specific drawings. ODM service is also available.