STM GEARBOXES We supply the full range of STM Gearboxes including: Worm geared motors available with Output flanges, Torque Arms and Output Shafts. Ratios 5/1 to 100/1 Worm reduction units available in various ratios 5/1 to 100/1 Telephone: 01274 730340 Facsimile: 01274 308080 Email: info@parker-eng.co.uk