Sturtevant-Richmont SDR Series
Square Drive Ratchet Micrometer Adjustable
- Fastest torque adjustment across the scale via rotating grip.
- Locking tailpiece prevents inadvertent target torque change.
- At set torque value a strong audible and tactile impulse is emitted.
- Includes storage case.
- Ratchet design is very strong and durable.
- Accuracy of +/- 4% Indicated Value (from 20% to 100% of capacity) meets or exceeds ASME B107.300 - 2010, ISO 6789, and AS 28431.

SDR Wrenches
| Model Number | Part Number | Description | Torque Range | Drive Type | Additional Feature |
| Sturtevant Richmont 6 SDR | 810598 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 15-800 NM | 150-800 Nm | 3/4" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 1200 I MG | 869747 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 20-1200 IN-LBS | 200-1200 in-lb | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 600 I MG | 869748 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 10-600 IN-LBS | 100-600 in-lb | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 2 SDR 50 I MG | 869749 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 10-50 IN-LBS | 10-50 in-lb | 1/4" Square Drive | Ratchet |
| Sturtevant Richmont 2 SDR 150 I MG | 869750 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 30-150 IN-LBS | 30-150 in-lb | 1/4" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 150 I MG | 869751 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 30-150 IN-LBS | 30-150 in-lb | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 750 I MG | 869752 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 15-750 IN-LBS | 150-750 in-lb | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 100 MG | 869754 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 20-100 FT-LBS | 20-100 ft-lb | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 4 SDR 1800 I MG | 869755 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 30-1800 IN-LBS | 300-1800 in-lb | 1/2" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 75 MG | 869756 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 15-75 FT-LBS | 15-75 ft-lb | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 4 SDR 150 MG | 869757 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 30-150 FT-LBS | 30-150 ft-lb | 1/2" Square Drive | Ratchet |
| Sturtevant Richmont 4 SDR 250 MG | 869758 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 50-250 FT-LBS | 50-250 ft-lb | 1/2" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 200 I MG | 869761 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 40-200 IN-LBS | 40-200 in-lb | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 2 SDR 6 Nm MG | 869774 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 1-6 NM | 1-6 Nm | 1/4" Square Drive | Ratchet |
| Sturtevant Richmont 2 SDR 20 Nm MG | 869775 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 4-20 NM | 4-20 Nm | 1/4" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 20 Nm MG | 869776 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 4-20 NM | 4-20 Nm | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 100 Nm MG | 869777 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 20-100 NM | 20-100 Nm | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 4 SDR 200 Nm MG | 869778 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 40-200 NM | 40-200 Nm | 1/2" Square Drive | Ratchet |
| Sturtevant Richmont 4 SDR 300 Nm | 869779 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 60-300 NM | 60-300 Nm | 1/2" Square Drive | Ratchet |
| Sturtevant Richmont 2 SDR 200 I MG | 869781 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 40-200 IN-LBS | 40-200 in-lb | 1/4" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 50 Nm MG | 869782 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 10-50 NM | 10-50 Nm | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 3 SDR 140 Nm MG | 869783 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 30-140 NM | 30-140 Nm | 3/8" Square Drive | Ratchet |
| Sturtevant Richmont 6 SDR 300 Nm | 869789 | CLICK-TYPE CLUTCH | MICROMETER TORQUE WRENCH | 60-300 NM | 60-300 Nm | 3/4" Square Drive | Ratchet |
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