6 piece screw thread micrometer anvil/spindle set for metric/unified screws
60° threads
Size: 64-48TPI/0.4-0.5mm, 44-28TPI/0.6-0.9mm, 24-14TPI/1-1.75mm, 13-9TPI/2-3mm, 8-5TPI/3.5-5mm, 4.5-3.5TPI/5.5-7mm
Set includes optional anvils with 60 degree threads
Each anvil can be used for both metric and unified external threads
The micrometer anvil is fully adjustable by the knurled knob