Available in Dozens of sizes
for Your Specific Need
DSPC-8M QD is equivalent to 8MX Polychain® GT2 Timing Sprockets, made to accept QD® bushings.
Excellent for use in high load and torque applications at low speeds.
They produce excellent registration, high torque capacity, and high-speed capability.
Tooth range from 22 to 80 are flanged.
| EQUIVALENT TO POLYCHAIN GT2® F=.85 | ||||||
|---|---|---|---|---|---|---|
| Sprocket Description | Q.D. Bores | N.O. of Teeth | Diameters (inches) | Type | ||
| Pitch | O.D. | Flange | ||||
| 8M-25S-12 | JA | 25 | 2.506 | 2.443 | 2.91 | EF-1 |
| 8M-28S-12 | JA | 28 | 2.807 | 2.744 | 3.21 | EF-1 |
| 8M-30S-12 | JA | 30 | 3.008 | 2.945 | 3.41 | DF-1 |
| 8M-32S-12 | JA | 32 | 3.208 | 3.145 | 3.61 | DF-1 |
| 8M-34S-12 | JA | 34 | 3.41 | 3.347 | 3.81 | DF-1 |
| 8M-36S-12 | SH | 36 | 3.609 | 3.546 | 4.01 | DF-1 |
| 8M-38S-12 | SH | 38 | 3.81 | 3.747 | 4.21 | DF-1 |
| 8M-40S-12 | SH | 40 | 4.01 | 3.947 | 4.41 | DF-1 |
| 8M-45S-12 | SDS | 45 | 4.511 | 4.448 | 4.91 | DF-1 |
| 8M-48S-12 | SDS | 48 | 4.812 | 4.749 | 5.21 | DF-1 |
| 8M-50S-12 | SDS | 50 | 5.013 | 4.95 | 5.41 | DF-1 |
| 8M-56S-12 | SDS | 56 | 5.614 | 5.551 | 6.01 | DF-1 |
| 8M-60S-12 | SDS | 60 | 6.015 | 5.952 | 6.42 | DF-1 |
| 8M-63S-12 | SDS | 63 | 6.316 | 6.253 | 6.72 | DF-1 |
| 8M-75S-12 | SDS | 75 | 7.519 | 7.456 | 7.92 | DF-2 |
| 8M-80S-12 | SDS | 80 | 8.02 | 7.957 | 8.42 | DF-2 |
| 8M-90S-12 | SDS | 90 | 9.023 | 8.96 | (-) | D-2 |
| 8M-112S-12 | SK | 112 | 11.229 | 11.166 | (-) | G-2 |
| EQUIVALENT TO POLYCHAIN GT2® F=1.24 | ||||||
|---|---|---|---|---|---|---|
| Sprocket Description | Q.D. Bores | N.O. of Teeth | Diameters (inches) | Type | ||
| Pitch | O.D. | Flange | ||||
| 8M-34S-21 | SH | 34 | 3.41 | 3.347 | 3.81 | EF-1 |
| 8M-36S-21 | SH | 36 | 3.609 | 3.546 | 4.01 | DF-1 |
| 8M-38S-21 | SH | 38 | 3.81 | 3.746 | 4.21 | DF-1 |
| 8M-40S-21 | SH | 40 | 4.01 | 3.947 | 4.41 | DF-1 |
| 8M-45S-21 | SDS | 45 | 4.511 | 4.448 | 4.91 | DF-1 |
| 8M-48S-21 | SDS | 48 | 4.812 | 4.749 | 5.21 | DF-1 |
| 8M-50S-21 | SDS | 50 | 5.013 | 4.95 | 5.41 | DF-1 |
| 8M-56S-21 | SDS | 56 | 5.614 | 5.551 | 6.01 | DF-1 |
| 8M-60S-21 | SK | 60 | 6.015 | 5.952 | 6.42 | CF-1 |
| 8M-63S-21 | SK | 63 | 6.316 | 6.253 | 6.72 | CF-1 |
| 8M-75S-21 | SK | 75 | 7.519 | 7.456 | 7.92 | DF-1 |
| 8M-80S-21 | SK | 80 | 8.02 | 7.957 | 8.42 | DF-1 |
| 8M-90S-21 | SK | 90 | 9.023 | 8.96 | (-) | D-1 |
| 8M-112S-21 | SK | 112 | 11.229 | 11.166 | (-) | C-2 |
| EQUIVALENT TO POLYCHAIN® GT2 F=1.86 | ||||||
|---|---|---|---|---|---|---|
| Sprocket Description | Q.D. Bores | N.O. of Teeth | Diameters (inches) | Type | ||
| Pitch | O.D. | Flange | ||||
| 8M-34S-36 | SH | 34 | 3.41 | 3.347 | 3.81 | EF-1 |
| 8M-36S-36 | SH | 36 | 3.609 | 3.546 | 4.01 | AF-1 |
| 8M-38S-36 | SH | 38 | 3.81 | 3.747 | 4.21 | AF-1 |
| 8M-40S-36 | SH | 40 | 4.01 | 3.947 | 4.41 | AF-1 |
| 8M-45S-36 | SD | 45 | 4.511 | 4.448 | 4.91 | DF-1 |
| 8M-48S-36 | SD | 48 | 4.812 | 4.749 | 5.21 | DF-1 |
| 8M-50S-36 | SK | 50 | 5.013 | 4.95 | 5.41 | DF-1 |
| 8M-56S-36 | SK | 56 | 5.614 | 5.551 | 6.01 | DF-1 |
| 8M-60S-36 | SK | 60 | 6.015 | 5.952 | 6.42 | DF-1 |
| 8M-63S-36 | SK | 63 | 6.316 | 6.253 | 6.72 | DF-1 |
| 8M-75S-36 | SF | 75 | 7.519 | 7.456 | 7.92 | DF-1 |
| 8M-80S-36 | SF | 80 | 8.02 | 7.957 | 8.42 | DF-1 |
| 8M-90S-36 | SF | 90 | 9.023 | 8.96 | (-) | D-1 |
| 8M-112S-36 | SF | 112 | 11.229 | 11.166 | (-) | D-2 |
| EQUIVALENT TO POLYCHAIN® GT2 F=2.91 | ||||||
|---|---|---|---|---|---|---|
| Sprocket Description | Q.D. Bores | N.O. of Teeth | Diameters (inches) | Type | ||
| Pitch | O.D. | Flange | ||||
| 8M-34S-36 | SH | 34 | 3.41 | 3.347 | 3.81 | EF-1 |
| 8M-36S-36 | SH | 36 | 3.609 | 3.546 | 4.01 | AF-1 |
| 8M-38S-36 | SH | 38 | 3.81 | 3.747 | 4.21 | AF-1 |
| 8M-40S-36 | SH | 40 | 4.01 | 3.947 | 4.41 | AF-1 |
| 8M-45S-36 | SD | 45 | 4.511 | 4.448 | 4.91 | DF-1 |
| 8M-48S-36 | SD | 48 | 4.812 | 4.749 | 5.21 | DF-1 |
| 8M-50S-36 | SK | 50 | 5.013 | 4.95 | 5.41 | DF-1 |
| 8M-56S-36 | SK | 56 | 5.614 | 5.551 | 6.01 | DF-1 |
| 8M-60S-36 | SK | 60 | 6.015 | 5.952 | 6.42 | DF-1 |
| 8M-63S-36 | SK | 63 | 6.316 | 6.253 | 6.72 | DF-1 |
| 8M-75S-36 | SF | 75 | 7.519 | 7.456 | 7.92 | DF-1 |
| 8M-80S-36 | SF | 80 | 8.02 | 7.957 | 8.42 | DF-1 |
| 8M-90S-36 | SF | 90 | 9.023 | 8.96 | (-) | D-1 |
| 8M-112S-36 | SF | 112 | 11.229 | 11.166 | (-) | D-2 |
