20 Teeth 2.5M Spur Gear with Step 45# Steel High Frequency Blackening .5 Modules 20T Drive Bore 10 12 14 15 16 17-22mm 1Pcs(12mm)

Helical GearsSpecification:Name: Spur Gear with StepModel: 2.5M (2.5 Modules)Material: 45# SteelSurface Treatment: Teeth Hardening + Surface BlackeningNumber of Teeth: 20 TeethTooth Height: 25mmTotal Height: 40mmFixing Screw: 2*M6Bore: 12mmKeyway Bore:10mm-keyway 4x1.8mm12mm-keyway 4x1.8mm14mm-keyway 5x2.3mm15mm-keyway 5x2.3mm16mm-keyway 5x2.3mm17mm-keyway 5x2.3mm18mm-keyway 6x2.8mm19mm-keyway 6x2.8mm20mm-keyway 6x2.8mm22mm-keyway 6x2.8mm25mm-keyway 8x3.3mmShaft Hole: Machining CompletedTooth Surface Hardness: Hard Tooth SurfaceNote:1.The contour data described above (in addition to ensuring the accuracy of the inner hole) may vary slightly from batch to batch. No further notice, please refer to the actual subject!2.The product must be used with a rack of the same modulus.Quantity : According to your Choose!==========Pressure Angle : 20Standard or Nonstandard : StandardModel Number : 2.5 ModulesTooth Profile : Spur GearMaterial : Carbon SteelShape : Spur

• Helical Gears