THC Logo Steel  Crossed Helical Gears

 Pressure angle  20°
 Hand of helix  Right  
 Helix angle   45˚ 
 Material  C45 
 Heat treatment    - 
 Tooth surface treatment   - 
 Gears surface treatment   - 
 Tooth surface finish  Milled
 Precision grade  DIN 9
THC Gear # THC Gear # Module No. of
Teeth
PD OD d D F P L Type Weight
(kg)
SC1-13R SC1-13L 1.0 13 18.38 20.38 6 15 10 10 20 T2 0.03
SC1-15R SC1-15L 1.0 15 21.21 23.21 6 18 10 10 20 T2 0.04
SC1-20R SC1-20L 1.0 20 28.28 30.28 8 25 10 10 20 T2 0.08
SC1-26R SC1-26L 1.0 26 36.77 38.77 10 30 10 10 20 T2 0.13
SC1-30R SC1-30L 1.0 30 42.43 44.43 10 35 10 10 20 T2 0.17
SC1.5-10R SC1.5-10L 1.5 10 21.21 24.21 8 16 15 10 25 T2 0.05
SC1.5-13R SC1.5-13L 1.5 13 27.58 30.58 10 23 15 10 25 T2 0.08
SC1.5-15R SC1.5-15L 1.5 15 31.82 34.82 10 25 15 10 25 T2 0.12
SC1.5-20R SC1.5-20L 1.5 20 42.43 45.43 12 30 15 10 25 T2 0.21
SC1.5-26R SC1.5-26L 1.5 26 55.15 58.15 12 40 15 10 25 T2 0.36
SC1.5-30R SC1.5-30L 1.5 30 63.64 66.64 12 45 15 10 25 T2 0.48
SC2-10R SC2-10L 2.0 10 28.28 32.28 12 22 20 15 35 T2 0.11
SC2-13R SC2-13L 2.0 13 36.77 40.77 12 30 20 15 35 T2 0.21
SC2-15R SC2-15L 2.0 15 42.43 46.43 12 35 20 15 35 T2 0.31
SC2-20R SC2-20L 2.0 20 56.57 60.57 15 45 20 15 35 T2 0.52
SC2-26R SC2-26L 2.0 26 73.54 77.54 20 60 20 15 35 T2 0.90
SC2-30R SC2-30L 2.0 30 84.85 88.85 20 65 20 15 35 T2 1.20
SC2.5-10R SC2.5-10L 2.5 10 35.36 40.36 12 26 22 16 38 T2 0.20
SC2.5-13R SC2.5-13L 2.5 13 45.96 50.96 15 35 22 16 38 T2 0.35
SC2.5-15R SC2.5-15L 2.5 15 53.03 58.03 15 40 22 16 38 T2 0.49
SC2.5-20R SC2.5-20L 2.5 20 70.71 75.71 20 60 22 16 38 T2 0.95
SC2.5-26R SC2.5-26L 2.5 26 91.92 96.92 20 70 22 16 38 T2 1.50
SC2.5-30R SC2.5-30L 2.5 30 106.07 111.07 20 80 22 16 38 T2 2.10
SC3-10R SC3-10L 3.0 10 42.43 48.43 15 34 25 18 43 T2 0.34
SC3-13R SC3-13L 3.0 13 55.15 61.15 20 45 25 18 43 T2 0.55
SC3-15R SC3-15L 3.0 15 63.64 69.64 20 50 25 18 43 T2 0.78
SC3-20R SC3-20L 3.0 20 84.85 90.85 20 60 25 18 43 T2 1.00
SC3-26R SC3-26L 3.0 26 110.31 116.31 20 80 25 18 43 T2 2.50
SC3-30R SC3-30L 3.0 30 127.28 133.28 20 90 25 18 43 T2 3.30
SC4-10R SC4-10L 4.0 10 56.57 64.57 20 45 30 20 50 T2 0.70
SC4-13R SC4-13L 4.0 13 73.54 81.54 20 60 30 20 50 T2 1.30
SC4-15R SC4-15L 4.0 15 84.85 92.85 20 70 30 20 50 T2 1.90
SC4-20R SC4-20L 4.0 20 113.14 121.14 20 90 30 20 50 T2 3.30
SC4-26R SC4-26L 4.0 26 147.08 155.08 20 100 30 20 50 T2 5.20
SC4-30R SC4-30L 4.0 30 169.71 177.71 20 110 30 20 50 T2 6.70
Note:
1.All dimensions are in inches.

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