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Double Sprocket

Double Sprocket

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Double single sprockets are precision machined steel spockets and run with two single chains. They are stocked in minimum plain bore, taper bushed and Martin Split Taper style. The minimum plain bores can be quickly modified for your specific application.

Material Steel Hardened Teeth No
Chain Number 40 Hub Configuration A
Chain Pitch 0.500 in. Length thru Bore 1.406 in.
Number of Chain Rows Double Single Construction Detail Solid
Number of Teeth 21 Bore Type Stock Bore
Outside Diameter 3.617 in. Min Bore Size 0.625 in.
Pitch Diameter 3.355 in. Max Bore Size 1.750 in.
Single Strand Tooth Thickness 0.284 in.
Storage Dimension Length 4.000 in. Weight 2.35 lbs.
Storage Dimension Width 4.000 in. Individually Packaged Yes
Storage Dimension Height 1.500 in.

Quick Detail:

  • Standard and non-standard available
  • With high quality and competitive price
  • Prompt delivery
  • Packing as per customer’s demand.

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.

    pruduct quality report

    Materials Available

    1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
    2. Steel:C45(K1045), C46(K1046),C20
    3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
    4. Bronze: C51000, C52100, C54400, etc
    5. Iron: 1213, 12L14,1215
    6. Aluminum: Al6061, Al6063
    7.OEM according to your request
    product materials available

    Surface Treatment

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

    Processing Method

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

    QC & Certificate

    Technicians self-check in production,final-check before package by professional Quality inspector
    ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

    Package & Lead Time

    Size: Drawings
    Wooden Case/Container and pallet, or as per customized specifications.
    15-25days samples. 30-45days offcial order
    Port: Shanghai/Ningbo port
    product packages

    FAQ

    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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