SMR blank top jaws are used with MMR diaphragms. They are machined on the chuck to suit the workpiece. Refer to MicroCentric's operating manual for detailed instructions on the design and preparation of finished top jaws. Blanks jaws can be hardened after rough machining, and then finish ground on the chuck. Blank jaws are available in other configurations and materials. Contact our sales department for information on custom hardened and ground top jaws.

SMR Blank Top Jaws
Chuck Size Model No. Material Diameter Height Weight
3" SMR-80-25S 4140  2.36" 1.00" 1.10 lb
81mm     59.9mm 25.4mm .50 kg
SMR-80-38S 4140  2.36" 1.50" 1.60 lb
      59.9mm 38.1mm .72 kg
4" SMR-100-25S 4140  3.15" 1.00" 1.90 lb
102mm     80mm 25.4mm .86 kg
SMR-100-38S 4140  3.15" 1.50" 2.90 lb
    80mm 38.1mm 1.31  kg
SMR-100-50S 4140  3.15" 2.00" 3.80 lb
      80mm 50.8mm 1.72 k
5" SMR-125-25S 4140  3.46" 1.00" 2.20 lb
127mm     87.8mm 26.4mm 1.00 kg
SMR-125-38S 4140  3.46" 1.50" 3.40 lb
    87.8mm 38.1mm 1.54 kg
SMR-125-50S 4140  3.46" 2.00" 4.60 lb
      87.8mm 50.8mm 2.09 kg
6" SMR-150-25S 4140  4.72" 1.00" 4.10 lb
152mm     119.9mm 15.4mm 1.86 kg
SMR-150-38S 4140  4.72" 1.50" 6.20 lb
    119.8mm 38.1mm 2.81 kg
SMR-150-50S 4140  4.72" 2.00" 8.10 lb
    119.9mm 50.8mm 3.68 kg
SMR-150-75S 4140  4.72" 3.00" 12.20 lb
      119.9mm 76.2 5.54 kg
8" SMR-200-38S 4140  6.30" 1.50" 10.20 lb
204mm     160mm 38.1mm 4.63 kg
SMR-200-50S 4140  6.30" 2.00" 13.60 lb
    160mm 50.8mm 6.18 kg
SMR-200-75S 4140  6.30" 3.00" 20.40 lb
      160mm 76.2 9.27 kg
10" SMR-250-38S 4140  7.48" 1.50" 14.40 lb
254mm     190mm 50.8mm 6.54 kg
SMR-250-50S 4140  7.48" 2.00" 19.10 lb
    190mm 50.8mm 8.68 kg
SMR-250-75S 4140  7.48" 3.00" 28.70 lb
      190mm 76.2mm 13.04 kg
 12" SMR-300-38S 4140  9.13" 1.50" 21.40 lb
294mm     232mm 38.1mm 9.27 kg
SMR-300-50S 4140  9.13" 2.00" 28.50 lb
    232mm 50.8mm 12.95 kg
SMR-300-75S 4140  9.13" 3.00" 42.70 lb
232mm 76.2mm 19.40 kg