Spec

• Module: m1
• number of teeth : 40
• Shape: S1K
• Reference diameter (mm): 40
• Teeth Width (mm): 8
• Hole Diameter (mm): 15
• Tip Diameter: 42
• Total length ( mm ) : 18
• Boss Diameter (mm): 30
• Boss Length: 10
• Tap: M4
• Key Groove: 5 x 2.3
• screw Hole Position: 5
• Gear Precision: JIS B 1702 -1 N6 Grade Equivalent
• Tooth surface hardness: 50 to 60 HRC
• Tooth profile: Normal teeth
• Surface Treatment: Black Dye except for Grinding Part (The additional processing part is not dyed black again.)
• Pressure Angle: 20 deg.
• tooth surface finish: grinding
• gear reference plane: holes (H7)
• Heat treatment: temper, tooth surface induction hardening
• Helix Angle: 21 ° 30 ′
• material/Finishing : SCM 440
• 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: 161 -7972
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