Lang 971 SAE and Metric Thread Repair Kit, 48 Pieces

Lang 971 SAE and Metric Thread Repair Kit, 48 Pieces

• Lang 971 is a 48-piece thread restorer set for both SAE and Metric fasteners, designed to clean, repair, or reform damaged external and internal threads in bolts, nuts, or threaded holes.
• Features:
  • Includes a wide range of SAE coarse and fine dies to restore external threads with standard and fine pitches for common U.S. hardware sizes
  • Contains Metric dies and taps to work on threads sized in millimetres, covering the primary metric range used in automotive and machinery applications
  • Equipped with rethread files for both SAE and Metric pitches so minor damage can be remedied without replacing the fastener or threading component
• Includes:
  • 7 SAE Coarse Dies, sizes: 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11
  • 7 SAE Fine Dies, sizes: 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20, 9/16"-18, 5/8"-18
  • 10 Metric Dies, sizes: M6-1.00, M8-1.25, M10-1.00, M10-1.25, M10-1.50, M11-1.50, M12-1.25, M12-1.50, M12-1.75, M14-1.50
  • 7 SAE Coarse Taps, sizes: 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12
  • 7 SAE Fine Taps, sizes: 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20, 9/16"-18
  • 10 Metric Taps, sizes: M6-1.00, M8-1.25, M10-1.00, M10-1.25, M10-1.50, M11-1.50, M12-1.25, M12-1.50, M12-1.75, M14-1.50
• Specifications:
  • Manufacturer: Lang Tools
  • Part Number: 971
  • Number of Pieces: 48
  • Number of Taps: 22
  • Number of Dies: 26
  • Packing Type: Plastic Blow Molded Case
  • Content: 48 distinct pieces including dies, taps, and rethread files
  • Range of SAE thread sizes with coarse and fine pitches as listed in Includes
  • Range of Metric thread sizes with standard pitches as listed in Includes
  • Case dimensions: 9.5 inch x 13.5 inch x 2 inch
  • UPC: 777690097114
  • Made in U.S.A.
• The Lang Tools 971 thread restorer kit can also be referred to as SAE thread restorer set, Metric thread restorer kit, rethreader tap die set, thread chase set, and master thread repair kit.

Lang Tools 971 is a professional 48-piece thread restorer collection from Lang Tools designed for automotive, machinery, and industrial users. It restores damaged nuts, bolts, and threaded holes using both coarse and fine SAE and Metric tools, plus rethread files for precision damage repair.

Q: What thread sizes are included in this set?
A: The set includes a full range of SAE coarse and fine dies and taps (from 1/4-20 thru 5/8-11 coarse and 1/4-28 thru 5/8-18 fine), plus Metric dies and taps (from M6-1.00 through M14-1.50, including intermediate pitches).

Q: Can I use this kit to repair internal threads?
A: Yes. The taps included in the kit are specifically for internal threads, and the rethread files help clean out damaged threads in blind or through holes.

Q: Is this kit good for both SAE and Metric fasteners?
A: Yes. It has tools for both systems, making it versatile for work on a wide range of U.S. and international machinery or vehicles.