Our Products

We are one of Europe's most respected and leading specialists providing workholding machining solutions and bespoke rotary & prismatic fixture designs.

Accuracy, consistency and repeatability to 0.012mm are why our components are utilised by the worlds largest manufacturers in Aerospace, Rail and Automotive technologies.

Faceplate Nut Operated Mandrel

The face-plate nut operated expanding mandrel can be used on any machine with no drawbar facility, for general turning and grinding operations. These are a popular choice for milling fixture locators.

Adaptor plates made to suit the machine mounting can be manufactured by PTG Workholding Ltd., or the customer. Component end locators, solid-type or compensating (for out-of-square locating faces) can also be manufactured by the customer.

The natural pullback action of the sleeve ensures the component is hard against the location face.

For maximum efficiency, expansion sleeves should be pre-loaded to maintain contact with mandrel double-angles at all times.

A B C D E F G J A/F K L N R Tool #
Mix Max DP Ø DP Ø
3A 12.5 16.0 73 20.0 22.0 15.0 40 75 10 6 12.6 58 M8 28 M4 90.800.110.1
2C 16.0 22.0 79 20.0 27.0 15.0 40 75 13 6 14.1 58 M8 28 M4 90.800.115.1
1C 22.0 28.5 86 20.0 32.0 15.5 40 75 19 6 20.7 58 M8 58 M6 90.800.121.1
18C 28.5 41.0 94 20.0 38.0 15.2 40 75 24 6 26.3 58 M8 58 M6 90.800.127.1
4C 41.0 63.5 105 20.0 43.0 15.0 40 75 36 6 37.0 58 M8 58 M6 90.800.134.1
5C 63.5 76.2 134 25.0 51.0 25.0 60 120 55 6 57.3 94 M10 94 M8 90.800.141.1
6C 76.2 89.0 144 25.0 57.0 25.0 60 120 65 6 71.1 94 M10 94 M8 90.800.148.1
7C 89.0 130.0 166 30.0 63.5 25.0 100 180 85Ø 6 84.1 150 M12 150 M10 90.800.153.1
8C 130.0 178.0 185 30.0 79.5 25.0 100 180 124Ø 6 123.1 150 M12 150 M10 90.800.159.1