CTA Tools 8240 Master Rethreading Set, 53 Pieces

CTA Tools 8240 Master Rethreading Set, 53 Pieces, Metric and SAE

• The CTA Tools 8240 Master Rethreading Set is a 53-piece thread repair kit designed for restoring damaged or stripped internal and external threads. The set combines metric, NC-USS coarse, and NF-SAE fine taps and dies with two thread files, providing broad coverage for automotive, mechanical, maintenance, and general thread restoration applications.
• Features:
  • 53-piece master set for repairing damaged or stripped threads.
  • Includes metric, NC-USS coarse, and NF-SAE fine thread sizes.
  • Color-coded taps and dies support quick size and thread-type identification.
  • Includes CTA Tools 8231 and 8233 thread files for additional thread restoration capability.
  • Suitable for thread repair on compatible steel, aluminum, and brass components.
  • Heat-treated carbon steel taps and dies are designed for durability during rethreading work.
• Includes:
  • Thread Files:
    • (1) CTA Tools 8231 Thread File
    • (1) CTA Tools 8233 Thread File
  • Metric Tap and Die Sets:
    • 6 x 1.00 mm
    • 8 x 1.50 mm
    • 10 x 1.00 mm
    • 10 x 1.25 mm
    • 10 x 1.50 mm
    • 11 x 1.50 mm
    • 12 x 1.25 mm
    • 12 x 1.50 mm
    • 12 x 1.75 mm
    • 14 x 1.50 mm
  • NC-USS Coarse Tap and Die Sets:
    • 1/4"-20
    • 5/16"-18
    • 3/8"-16
    • 7/16"-14
    • 1/2"-13
    • 9/16"-12
  • NF-SAE Fine Tap and Die Sets:
    • 1/4"-28
    • 5/16"-24
    • 3/8"-24
    • 7/16"-20
    • 1/2"-20
    • 9/16"-18
  • Additional Metric Dies:
    • 6 x 1.25 mm
    • 7 x 1.00 mm
    • 8 x 1.00 mm
  • Additional NC-USS Coarse Die:
    • 5/8"-11
  • Additional NF-SAE Fine Die:
    • 5/8"-18
• Replacement Parts:
  • NC-USS Coarse Dies:
    • 8240X01 - 1/4"-20
    • 8240X02 - 5/16"-18
    • 8240X03 - 3/8"-16
    • 8240X04 - 7/16"-14
    • 8240X05 - 1/2"-13
    • 8240X06 - 9/16"-12
    • 8240X07 - 5/8"-11
  • NC-USS Coarse Taps:
    • 8240X08 - 1/4"-20
    • 8240X09 - 5/16"-18
    • 8240X10 - 3/8"-16
    • 8240X11 - 7/16"-14
    • 8240X12 - 1/2"-13
    • 8240X13 - 9/16"-12
  • NF-SAE Fine Dies:
    • 8240X14 - 1/4"-28
    • 8240X15 - 5/16"-24
    • 8240X16 - 3/8"-24
    • 8240X17 - 7/16"-20
    • 8240X18 - 1/2"-20
    • 8240X19 - 9/16"-18
    • 8240X20 - 5/8"-18
  • NF-SAE Fine Taps:
    • 8240X21 - 1/4"-28
    • 8240X22 - 5/16"-24
    • 8240X23 - 3/8"-24
    • 8240X24 - 7/16"-20
    • 8240X25 - 1/2"-20
    • 8240X26 - 9/16"-18
  • Metric Dies:
    • 8240X27 - 6 x 1.00
    • 8240X28 - 6 x 1.25
    • 8240X29 - 7 x 1.00
    • 8240X30 - 8 x 1.00
    • 8240X31 - 8 x 1.25
    • 8240X32 - 8 x 1.50
    • 8240X33 - 10 x 1.00
    • 8240X34 - 10 x 1.25
    • 8240X35 - 10 x 1.50
    • 8240X36 - 11 x 1.50
    • 8240X37 - 12 x 1.25
    • 8240X38 - 12 x 1.50
    • 8240X39 - 12 x 1.75
    • 8240X40 - 14 x 1.50
  • Metric Taps:
    • 8240X41 - 6 x 1.00
    • 8240X42 - 8 x 1.25
    • 8240X43 - 8 x 1.50
    • 8240X44 - 10 x 1.00
    • 8240X45 - 10 x 1.25
    • 8240X46 - 10 x 1.50
    • 8240X47 - 11 x 1.50
    • 8240X48 - 12 x 1.25
    • 8240X49 - 12 x 1.50
    • 8240X50 - 12 x 1.75
    • 8240X51 - 14 x 1.50
• Specifications:
  • Manufacturer: CTA Tools
  • Part Number: 8240
  • MPN: 8240
  • Product Type: Master Rethreading Set
  • Piece Count: 53
  • Thread Standards: Metric, NC-USS Coarse, NF-SAE Fine
  • Tool Types: Taps, Dies, and Thread Files
  • Tap and Die Material: Heat-Treated Carbon Steel
  • Application: Repair of Damaged or Stripped Internal and External Threads
• This item is also often referred to as a master rethreading kit, thread repair set, metric and SAE tap and die set, damaged thread repair kit, and CTA Tools 8240 rethreading set.

CTA Tools manufactures automotive specialty tools, sockets, adapters, pullers, installers, thread repair tools, and application-specific service equipment for professional technicians and repair facilities.

Q: How many pieces are included in the CTA Tools 8240?
A: The master rethreading set contains 53 pieces, including metric and SAE taps and dies plus two thread files.

Q: What thread standards are included?
A: The set includes metric, NC-USS coarse, and NF-SAE fine thread sizes.

Q: Can individual taps and dies be replaced?
A: Yes. The supplied product information lists individual replacement part numbers from 8240X01 through 8240X51 for the taps and dies.

Q: What is the CTA Tools 8240 designed to do?
A: It is designed to repair damaged or stripped internal and external threads on compatible components.