• Model NO.：Helical Gear
• Type：Circular Gear
• Surface Color：Black, Silver, Nature
• Backlash：0.1-0.20mm
• Pitch Error：as Requirementf
• Surface Treatment：Carburizing , Quenching, etc
• Transport Package：with Plastic Bag,with Pearl-Cotton Package. 
• Specification：standard
• Trademark：HF
• Origin：Shenzhen China( Mainland)
• HS Code：84839000
• Production Capacity：500000 PCS, Year

Materials AvailableStainless Steel, Carbon Steel, Brass,  Bronze, Iron, Aluminum Alloy etcBOREFinished bore, Pilot Bore, Special requestProcessing MethodMolding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etcPressure Angle20 DegreeHardness50- 58HRCSizeCustomer Drawings & ISO standardPackageWooden Case/Container and pallet, or made-to-orderCertificateISO9001:2008 
Other TypesHow to order?* You send us drawing or sample* We carry through project assessment* We give you our design for your confirmation* We make the sample and send it to you after you confirmed our design* You confirm the sample then place an order and pay us 30% deposit* We start producing* When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers.* Trade is done, thank you!!If you are interested in our products, please tell us which materials, type, width, length u want.