Spur gear High precision casting and machining, high quality Surface:smooth Certification: ISO9001:2000 OEM/ODM service Spur gearMaterials: stainless steel, carbon steel, cast ... by customers.Types: spur gears, bevel gears, helical gears, worm gear, rack and pinion, inner gear, ring gear, stainless steel gears...Process: ... enquire and visit! precision casted and machined spur gear of stainless steel