Spec

• Module: m4
• number of teeth : 20
• Reference diameter (mm): 80
• Assembly Distance (mm): 75
• Hole Diameter (mm): 28
• Total length ( mm ) : 50.51
• Tooth width (mm): 20
• Shape: B3K
• Tip Diameter: 84.88
• Hole Length: 45
• Boss Length: 27
• Boss Diameter: 64
• Tap: M6
• Key Groove: 8 x 3.3
• Holding Surface Diameter: 43.43
• Gear Precision: JIS B 1704: 1978: 2 Grade Equivalent
• Tooth surface hardness: 50 to 60 HRC
• Tooth profile: Gleason
• Surface treatment: Black dye is applied to the parts other than the grinding part (no re-black dye is applied to the additional processing part).
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• Pressure Angle: 20 deg.
• tooth surface finish: grinding
• gear reference plane: holes (H7)
• Heat Treatment: Tooth Surface High-Frequency Quenching
• Helix Angle: 35 °
• material/Finishing: S 45 C
• As this product is a contract processed product, the manufacture will be completed in 3 days after the order.
• (Distribution is not included.)
• This product cannot be cancelled because it will be processed immediately after ordering.
• Country of origin: Japan
• Product Code: 162 -1423
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