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Product Specifications:
| Item | Helical Gear |
| Bore Dia. | 5/8" |
| Diametral Pitch | 20 |
| Face Width | 3/8" |
| Finish | Hardened |
| Hand | Right |
| Hardened Teeth | With Hardened Teeth |
| Helix Angle | 45° |
| Keyway Size | 1/8" x 1/16" |
| Kwy/setscrew/other | Kwy Only 1/8 x 1/16 |
| Length Through Bore | 9/16" |
| Material | Steel |
| No. Of Teeth | 25 |
| Outer Dia. | 1.32" |
| Pitch Dia. | 1 1/4" |
| Pressure Angle | 14.5° |
| Product Datasheet | boston-gear-h1008l.pdf |
| Right/left Hand | Right Hand |
| Rotation | Right Hand |
| Transverse Diametral Pitch | 20 DP |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Bore Dia. | Finish | Rotation | Material | Type | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
H2008R | - | Hardened | Right Hand | Steel | - | €154.82 | |
![]() |
H2010R | 0.313" | - | Right Hand | Steel | Hardened Plain Spiral Tooth | €115.35 | |
![]() |
H2012R | 3/8" | Hardened | Right Hand | Steel | - | €162.74 | |
![]() |
H2015R | 0.438" | - | Right Hand | Steel | Hardened Plain Spiral Tooth | €113.42 | |
![]() |
H2020R | 1/2" | - | Right Hand | Steel | Hardened Plain Spiral Tooth | €112.98 | |
![]() |
H2030R | 3/4" | Hardened Teeth | Right Hand | Steel | - | €138.38 | |
![]() |
H2040R | 3/4" | Hardened Teeth | Right Hand | Steel | - | €167.38 |
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BOSTON GEAR H2025R Helical Gear, 45 Helix, 20 Diametral Pitch, 14.5 Deg. Pressure Angle, 25 Teeth, Right Hand
€124.03 /unit







