Tap & die set (Mastercraft)

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Taps Grey.jpg
This article is about a tool that is no longer at Protospace.
Further information can be found below.
  • Type: Tap & Die Set
  • Make/Model: Mastercraft ??
  • Serial Number: ??
  • Original Owner: Travis
  • Removed by: Travis
  • Removal Reason: it was getting treated poorly
  • Loan Status: Semi-Permanent Loan
  • Arrival Date: Pre 2013
  • Removal Date: {{{removaldate}}}
  • Replacements: various low-quality taps and dies
  • Location: Metalworking Shop
  • Functional Status: Working
  • Usage Permissions: Open to Members & Friends
  • Certification: Demo/Usage Notes
  • Wiki-ID: [[{{{id}}}]]

Usage Notes

  • Taps create threads in holes, to put bolts in
  • Dies create threads on bars, to put nuts on
  • Taps and Dies are brittle and fragile, do not force them
  • For tapping, use lookup table to determine size of hole to drill prior to tapping (will be smaller than bolt size)
  • For dies, use lookup table to determine size of the bar to use prior to threading (will be larger than die size)
  • For tapping, drill appropriate hole size first with normal metal bit
  • Place tap in tap wrench
  • Ensure tap is perfectly lined up with hole, angle is committed from start onward and slight offset will start but then break the tap several threads in. NEVER DO THIS.
  • Slowly rotate tap to begin cutting threads
  • Use appropriate thread cutting lubricant for material, see reference chart
  • Every 1/4 rotation of cutting, reverse tap one half rotation to break burr. If forgotten, tap will break. NEVER DO THIS. Tapping is a back-and-forth process
  • If tap ever binds or requires a sudden change in force, is lined up incorrectly, possibly all the way from the start. This is unfixable. DO NOT CONTINUE or apply more force, tap will break.
  • Ensure full threads are tapped by threading several full turns of the tap past the far side, if applicable.

Specs

  • Note - Tap set is in grey plastic, is in a blue case (a separate tap set is grey case with blue plastic).