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Product Specifications:
| Item | Worm Wheel |
| Bore Dia. | 5 mm |
| Bore Dia. Tolerance | -0.1 mm to +0.1 mm |
| Bore Type | Plain |
| Face Width | 8 mm |
| Gear Shape | HA |
| Helix Direction | Right Hand |
| Hub Dia. | 12 mm |
| Hub Diameter | 12 mm |
| Hub Projection | 8 mm |
| Material | Aluminum Bronze |
| Metric Module Pitch | 0.8 |
| Module Pitch | 0.8 |
| Number Of Starts | 1 |
| Number Of Teeth | 20 |
| Outside Dia. | 17.6 mm |
| Overall Length | 16 mm |
| Pitch Dia. | 16 mm |
| Precision Class | KHK W 002 Grade 2 |
| Pressure Angle | 20° |
| Reduction Ratio | 20 |
| Shape | HA |
| System Of Measurement | Metric |
| Tooth Direction | Right Hand |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Module Pitch | Outside Dia. | Pressure Angle | Face Width | Bore Dia. | Pitch Dia. | Hub Dia. | Hub Projection | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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SW2-L1 | 2 | 35 mm | - | 32 mm | 12 mm | 31 mm | 25 mm | 14 mm | €64.09 | |
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SW2.5-L2 | 2.5 | 42 mm | 20° | 45 mm | 15 mm | 37 mm | 30 mm | 18 mm | €104.11 | |
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SW0.5-R1 | 0.5 | 12 mm | - | 10 mm | 5 mm | 11 mm | - | - | €28.27 | |
![]() |
KWG0.5-R1 | 0.5 | 10 mm | 20° | 12 mm | - | 9 mm | - | - | €168.14 | |
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SW0.8-R1 | 0.8 | 15.6 mm | 20° | 18 mm | 6 mm | 14 mm | - | - | €35.97 | |
![]() |
KWG0.8-R1 | 0.8 | 13.6 mm | 20° | - | - | 12 mm | - | - | €175.79 | |
![]() |
SW1.25-R1 | 1.25 | 23.5 mm | 20° | 25 mm | 8 mm | 21 mm | - | - | €44.81 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
KHK GEARS AG0.8-20R1 Worm Wheel, Reduction Ratio 20, Module m 0.8, Right Hand, 20 Deg Pressure Angle
€70.70 /unit



