Need help on sizes

[wendy jacksonParticipant @wendyjackson]

[wendy jacksonParticipant @wendyjackson]

hi, I need some help on nut and tube sizes. The drawings state that I need the following. 3/8x32t for 1/4 pipe. 5/16x26t for 1/8 pipe and 5/16x 40 or 32t for 5/32 pipe. I can’t find any place that sells these sizes, i can make the nuts, it the tube ends I am worried about. These are for the blower and cylinder fittings inside the smoke box. What is the best way forward on this. Thanks.

[I.M. OUTAHEREParticipant @i-m-outahere]

Try model engineering supply stores possibly under Model Engineer (M.E) tap set , pretty sure 32 and 40 tpi are M.E pitches or possibly UNEF .

[JasonBModerator @jasonb]

All obtainable from the usual ME suppliers, try Tracey for starters 40 & 32 ME 26tpi

What are you worried about on the tube ends? just silver solder a nipple (aka ferrule) on the end.

Edited By JasonB on 06/05/2019 16:34:15

[wendy jacksonParticipant @wendyjackson]

Thanks chaps

[wendy jacksonParticipant @wendyjackson]

Thanks chaps

[Howard LewisParticipant @howardlewis46836]

32 and 40 tpi are the usual Model Engineer pitches, if Whit form.

Taps, Dies and Nuts should be available from M E suppliers, such as Tracy Tools or Tap and Die Company for the Taps and Dies, and A J Reeves, MACC, Maidstone Engineering, etc for the nuts and cones.

Howard

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