Product Description:
This 131-piece thread repair kit is a helical insert tool set covering M5 to M12 metric sizes, with drill bits, taps, and installers for restoring stripped threads in automotive engines, spark plug holes, and damaged bolt connections. The complete thread restoration system comes in a metal storage case for workshop and garage use.

Specifications:
Product Category: 131-piece threaded repair tool set
Number of pieces: 131
Thread sizes: M5, M6, M8, M10, M12 (metric)
Pitch: M5-0.8, M6-1.0, M8-1.25, M10-1.5, M12-1.75 (mm)
Length after installation: M5–7.5 mm, M6–9 mm, M8–12 mm, M10–15 mm, M12–18 mm
Number of threads: M5–7 threads, M6–7 threads, M8–8 threads, M10–8 threads, M12–9 threads
Number of threaded inserts: M5×25, M6×25, M8×25, M10×25, M12×10
Drill bit sizes: M5–5.2 mm, M6–6.2 mm, M8–8.3 mm, M10–10.3 mm, M12–12.4 mm
Tools included: twist drills × 5, taps × 5, threading tools × 5, thread cutters × 5, 2mm Allen key × 1, metal storage case × 1
Applications: repair of spark plug threads in car engines, maintenance of mechanical equipment, motorcycle repairs, general engineering
Condition: new
Unit_count: 1
standard_product_id: 1
Feed ID: 1

Product list:
131-piece helical thread repair tool set × 1