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Product Specifications:
| Item | Miter Gears |
| Bore Dia. | 0.5" to 0.6885" |
| Diametral Pitch | 12 |
| Direction Of Rotation | Right Angle |
| Face Width | 0.39" |
| Gear Ratio | 1:1 |
| Hub Dia. | 1 3/8" |
| Hub Projection | 0.688" |
| Hub Type | No Screws |
| Length | 1 3/16" |
| Material | Carbon Steel |
| No. Of Teeth | 21 |
| Pitch Dia. | 1 3/4" |
| Pressure Angle | 20° |
| Product Datasheet | martin-sprocket-hm1025.pdf |
| Series | M Series |
| Type | Plain Reborable |
Shipping Info:
| Ship weight (kg) | 0.21 |
| Ship height (cm) | 3.02 |
| Ship length (cm) | 4.75 |
| Ship width (cm) | 4.75 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Material | No. Of Teeth | Pitch Dia. | Face Width | Hub Dia. | Bore Dia. | Hub Projection | Pressure Angle | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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M1215B | Steel | 15 | - | - | - | - | - | - | €86.38 | |
![]() |
M1218A | Steel | 18 | 1 1/2" | 8/25" | 1 1/4" | 0.625" to 0.626" | 5/8" | 20° | €92.76 | |
![]() |
M1224 | Steel | 24 | 2" | 0.43" | 1 1/2" | 0.5" to 0.814" | 0.688" | 20° | €104.20 | |
![]() |
M1230 | Carbon Steel | 30 | 2 1/2" | 0.54" | 1 3/4" | 0.625" to 0.9385" | 0.844" | 20° | €141.84 | |
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M1221A | Carbon Steel | 21 | 1 3/4" | 0.39" | 1 3/8" | 0.5625" to 0.6885" | 0.688" | 20° | €96.94 | |
![]() |
M1221B | Steel | 21 | 1 3/4" | 0.39" | 1 3/8" | 0.625" to 0.689" | 0.688" | 20° | €96.94 | |
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M1215 | Steel | 15 | 1 1/4" | 0.27" | 1" | 0.375" to 0.501" | 1/2" | 20° | €86.38 |
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MARTIN SPROCKET M1221 Miter Gear, 12 DP, 21 Teeth, 1.750 Inch Pitch Dia., 0.689 Inch Bore, Steel
€96.94 /unit






