Products

The design concept of the Philidas Turret nut is similar to that of the universally adopted Philidas Industrial nut where the locking function is provided by a slotted collar or turret section above the hexagon.

Whilst both types of nut have two slots, those on the Turret nut are positioned one above the other.

The metal above these slots is set to de-pitch the threads such that when the nut is tightened on to a bolt the thread is gripped on the flank ~ the point at which it is designed to take the thrust.

Special features of the Turret nut are lower prevailing torque than the Industrial nut, and higher re-usability. Further, it can be fitted to a male thread locking element first.

The all-metal Philidas Turret nut is suitable for use in high or low temperature conditions, and the locking performance is unaffected by oil, petrol or other liquids and vapours. It is easily assembled with hand or power tools, and will lock effectively either to a face or unsupported.

Standard finishes are zinc and chromate passivation or self colour for metric threads and zinc or self colour for other threads. Special grades of material, finish and design are available subject to minimum manufacturing quantities.

  • All Metal Bent Beam Type
  • Cold Formed and Bar Turned
  • Sizes from M4 to M36 (Bulk Production Method)
  • Sizes above M36 (Batch Production Method)
  • Standard and Thin Heights Available
  • Metric, UNF, UNC, BSF, BSW and BA Threads
  • Metric Grades 8 and 10
  • Imperial Grades 1 and 3
  • Re-useable
  • Originally Designed for the Aircraft Industry
  • Preferred for Rail Applications
  • Available in Numerous Finishes

A minimum protrusion of two bolt threads is recomended

ISO metric coarse / standard

Size (mm) Order Reference A a/f B (nom) C (nom)
2.5 2.5MCP 5.0 4.5 2.4
3.0 3MCP 5.5 4.75 2.45
3.5 3.5MCP 7.0 5.0 2.5
4.0 4MCP 7.0 5.6 3.3
5.0 5MCP 8.0 6.8 3.9
6.0 6MCP 10.0 8.5 5.0
8.0 8MCP 13.0 10.5 6.0
10.0 10MCP 17.0 13.0 7.6
12.0 12MCP 19.0 15.0 8.5
14.0 14MCP 22.0 17.0 10.0
16.0 16MCP 24.0 19.5 12.0
18.0 18MCP 27.0 22.0 14.0
20.0 20MCP 30.0 24.0 15.5
22.0 22MCP 32.0 26.5 17.5
24.0 24MCP 36.0 29.0 19.0
27.0 27MCP 41.0 33.0 22.0
30.0 30MCP 46.0 39.0 26.0
33.0 33MCP 50.0 43.0 30.0
36.0 36MCP 55.0 47.0 32.5
39.0 39MCP 60.0 50.0 35.0
42.0 42MCP 65.0 54.0 37.5
45.0 45MCP 70.0 58.0 41.0
48.0 48MCP 75.0 62.0 42.5
52.0 52MCP 80.0 67.0 46.5

UNF and UNC / standard and thin

  Order Reference Dimensions
Size (in) UNF Standard UNF Thin UNC Standard UNC Thin A a/f B(Max)Standard B(Max)Thin C(nom) Standard C(nom) Thin
4-40     AUCP AUCN 0.188 0.175 0.143 0.087 0.055
6-32     BUCP BUCN 0.250 0.215 0.179 0.107 0.072
8-32     CUCP CUCN 0.312 0.275 0.233 0.137 0.095
10-32 DUFP DUFN     0.344 0.285 0.241 0.151 0.107
1/4 EUFP EUFN EUCP EUCN 0.437 0.340 0.273 0.182 0.115
5/16 GUFP GUFN GUCP GUCN 0.500 0.410 0.326 0.232 0.148
3/8 JUFP JUFN JUCP JUCN 0.562 0.490 0.386 0.292 0.190
7/16 LUFP LUFN LUCP LUCN 0.687 0.570 0.445 0.357 0.232
1/2 NUFP NUFN NUCP NUCN 0.750 0.660 0.514 0.420 0.274
9/16 PUFP PUFN PUCP PUCN 0.875 0.725 0.558 0.483 0.316
5/8 QUFP QUFN QUCP QUCN 0.937 0.810 0.623 0.545 0.358
3/4 SUFP SUFN SUCP SUCN 1.125 0.975 0.746 0.670 0.441
7/8 UUFP UUFN UUCP UUCN 1.312 1.051 0.855 0.703 0.507
1 WUFP WUFN WUCP WUCN 1.500 1.185 0.970 0.792 0.577
1 1/8 XUFP XUFN XUCP XUCN 1.687 1.358 1.145 0.870 0.655
1 1/4 YUFP YUFN YUCP YUCN 1.875 1.498 1.285 0.960 0.747
1 3/8 ZUFP ZUFN ZUCP ZUCN 2.062 1.646 1.430 1.055 0.835
1 1/2 H2UFP H2UFN H2UCP H2UCN 2.250 1.799 1.585 1.150 0.938
1 3/4 H3UFP H3UFN H3UCP H3UCN 2.625 2.101 1.890 1.365 1.150
2 H4UFP H4UFN H4UCP H4UCN 3.000 2.226 2.000 1.425 1.199
2 1/4 H5UFP H5UFN H5UCP H5UCN 3.755 2.340 2.100 1.510 1.270
2 1/2 H6UFP H6UFN H6UCP H6UCN 3.750 2.550 2.300 1.685 1.435
2 3/4 H7UFP H7UFN H7UCP H7UCN 4.125 2.845 2.600 1.930 1.685
3 H8UFP H8UFN H8UCP H8UCN 4.500 3.062 2.800 2.150 1.888

BA, BSF AND BSW /standard and thin available on request

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