1. Produce strictly in accordance with standard dimension
2. Material: 1045 Steel / Alloy Steel / Stainless Steel 304 & 316
3. Standard: ANSI, DIN, JINS, ISO, KANA,Standard America or customer's drawing
4. Pilot bore, finished bore, taper bore and special bore.
5. Bright surface / high precision / Blacking /Electrophoretic-Coated
6. Advanced heat treatment and surface treatment craft
7. Best quality and competitive price.
8. Welcome OEM / ODM
9. Processing Equipment: Hobbing machine, Slotting machine, CNC lathes and other equipment.
10. Sprocket Models: Contains special sprocket according to customer's drawings, standard sprocket (American standard and metric).