Gear accuracy: JIS B 1702-1 N8 grade equivalent Tooth profile: Ordinary teeth Pressure angle: 20° Material: S45C Heat treatment: None Tooth surface hardness: (194HB or less) Surface treatment: Black dye (The fastening parts and additional working parts are not black dyed. ) Number of teeth: 34 Shape: S1MA Standard circle diameter (mm): 68 Tooth width ( mm): 20 Hole diameter (mm): 14 Module: 2 Tooth tip circle diameter: 72 Total length (mm): 42 Boss diameter (mm): 50 Boss length (mm): (left) 12 (right) 10 Tooth surface finish: Cutting Bolt size: M4 x 15 Number of bolts: 4灌木直径:36
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