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Red and black 166-piece metric thread repair kit in case

VEVOR

VEVOR Helicoil Thread Repair Kit 166-Piece Metric M5-M12 HSS Drill Bits Taps Inserts Red Black

SKU CH-BCZ2-4JS8C

Repairs damaged metric threads with 166-piece kit containing 145 stainless-steel inserts, HSS drills, taps and installation tools for M5 to M12 sizes

  • Product typeOther Appliances
  • Overall width7.87
  • Restores damaged threads with 166-piece metric kit covering M5 to M12 sizes
  • Drill bits and taps heat-treated to HRC 50-60 for lasting hardness
  • 145 stainless-steel 304 inserts resist corrosion and wear in engine repairs
  • Includes dedicated break-off pin tools for quick tang removal after installation
  • Five twist drills sized 5.2mm to 12.5mm match each tap for precise preparation

Metric Thread Repair Kit 166-Piece

This 166-piece metric thread repair kit restores damaged threads from M5 to M12. It is designed for automotive engine repairs and general mechanical maintenance where stripped threads need reliable reinstatement.

HRC 50-60 Heat-Treated HSS Tools

Drill bits and taps are manufactured from premium high-speed steel heat-treated to HRC 50-60 for superior durability. The kit provides five twist drills, five taps, and matching installation tools for each metric size.

304 Stainless Steel Inserts Included

The kit supplies 145 thread inserts made from high-strength 304 stainless steel for longevity. It requires a drilled hole matching the supplied drill diameters and a tap matching the thread pitch before coil insertion.

How it compares

Measured against everything we stock in Specialty Kitchen Gadgets, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 92% of the 3,885 comparable items (median $66.99).

Specifications

Product
Product typeOther Appliances

Questions about this item

What does the 166-piece count actually give me in the workshop?

You get 145 stainless-steel thread inserts, five HSS drill bits from 5.2 mm to 12.5 mm, five matching taps from M5×0.8 to M12×1.75, plus five installation tools, five break-off tools and a hex key.

Which metric thread pitches are covered by the included taps?

The taps cut M5×0.8, M6×1.0, M8×1.25, M10×1.5 and M12×1.75, matching the standard coarse pitches for those diameters.

What size case or drawer space does the 7.87 cm wide kit need?

The box measures 7.87 cm across, so it fits in a shallow toolbox drawer or on a pegboard shelf without crowding other tools.

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