- Model NO.: B type-one hub
- Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
- Manufacturing Method: Rolling Gear
- Material: Carbon Steel
- Surface Treatment: Zinc Plated; Painted; Chrome;
- Line: One Line, Double, Triplex ......Six-Line
- Structure (for Chain): Roller Chain
- Transport Package: export package
- Origin: China
- Standard Or Nonstandard: Standard
- Hardness: Hardened Tooth Surface
- Toothed Portion Shape: Spur Gear
- Type: Circular Gear
- Hub: Plate Wheel 1-Side Hub;2-Side Hub
- Chain No: 25b-360b 25A-360A
- Trademark: DONGHUA
- Specification: 25---360
- HS Code: 84839000
MARTIN Standard Sprocket (ANSI, KANA, DIN standard)
B Type Sprockets
C45 steel
Teeth Harden, carburizing, zinc plated,chemical black finish
HRC40-53
Prebore or finished bore
25B--360B
25A--360A
Simplex
Product name | ISO Standard Single KB-type Sprocket(Welding hub) |
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 | |
Surface Treatment | Annealing, natural anodization, heat treatment,  polishing, nickel plating, chrome plating, znic plating,yellow passivation, gold passivation,  satin, Black surface painted etc. |
Products Available | sprockt chains, pulley, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels gear rack) bearing, bearing seat,  bushing, coupling, lock assembly etc. |
Processing Method | CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly |
QC : | Technicians self-check in production,final-check before package by professional Quality inspector |
Size | Drawings |
Package | Wooden Case/Container and pallet, or as per customized specifications |
Certificate | ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009 |
Advantage | Quality first Service superior , Advanced equipment,Experienced workers,Perfect testing equipment |
Lead Time | 15-25days samples. 30-45days offcial order   |
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C45 1045 S45C carbon steel bar, 1018 carbon steel bar,1020 S20C C20 C22 CK22 S20Cr/Ti Carbon Steel Round Bar
1045 steel round bar,S45C steel round bar,C45 steel round bar,A36 steel round bar,1020 steel round bar
SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.js-luggagecarts.com