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Product Specifications:
| Item | Worm Gear |
| Bore Dia. | 1/4" |
| Center Distance | 1.084" |
| Diametral Pitch | 48 |
| Flush Face To Worm Centerline | 0.078 |
| Hand | Right |
| Hardened Teeth | Without Hardened Teeth |
| Helix Angle | 3.5833° |
| Hub Dia. | 1/2" |
| Length Through Bore | 0.406" |
| Material | Acetal, Brass |
| No. Of Leads | 1 |
| No. Of Teeth | 40 |
| No. Of Threads | 1 |
| Pitch Dia. | 0.833" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-cd1145.pdf |
| Ratio | 40:1 |
| Right/left Hand | Right Hand |
| Rotation | Right Hand |
Shipping Info:
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Material | Bore Dia. | No. Of Teeth | Pitch Dia. | Hub Dia. | Length Through Bore | Ratio | Pressure Angle | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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GP1021-1/4 | Acetal, Brass | 1/4" | 50 | 1.042" | 1/2" | 0.406" | 50:1 | 14.5° | €52.85 | |
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GP1021-3/16 | Acetal, Brass | 0.188" | 50 | 1.042" | 1/2" | 0.406" | 50:1 | 14.5° | €52.85 | |
![]() |
GP1018-1/8 | Acetal, Brass | 1/8" | 20 | 0.417" | 0.34" | 0.346" | 20:1 | 14.5° | €39.03 | |
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GP1019-3/16 | Acetal | - | - | - | - | - | - | 14.5° | €52.85 | |
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GP1019-1/8 | Acetal, Brass | 1/8" | 30 | 5/8" | 0.44" | 0.406" | 30:1 | 14.5° | €52.85 | |
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GP1020-3/16 | Acetal, Brass | 0.188" | 40 | 0.833" | 1/2" | 0.406" | 40:1 | 14.5° | €61.51 |
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BOSTON GEAR GP1020-1/4 Worm Gear, 48 Diametral Pitch, 14.5 Deg. Pressure Angle, 40 Teeth, Right Hand, Acetal w/ Brass Inserts
€52.85 /unit




