Spiral bevel gear 1.metal gears:iron stainless steel 2.Size:1-90 mm 3.Small module,complexity 4.OEM,Non-standard Spiral bevel gear HENGKO LTD is ... .HENGKO Powder Metallurgy gear includes: bevel gear, gear, gear box, planetary gear, gear sector, sun gear, straight helical gear, helical gear, multi-layer gears, miniature gears, small module gear reducer, all kinds ...