BILITOOLSM8x1.25 Thread Repair Kit, HSS Drill Helicoil Repair Kit Metric

BILITOOLSM8x1.25 Thread Repair Kit, HSS Drill Helicoil Repair Kit Metric

Q: Anyone try this kit to repair side post battery terminals?

Kit worked great. I will buy another set if I need it

Q: What’s the installed thread length of the inserts? Specifically 5/16-18

Did not measure the insert length, but most inserts are approx 1/2" long in this size range. It only has to be as long as the diameter of the boat to be full strength. So if it is a 5/16 insert the insert needs to be at least 5/16 long. These are. But the tool is junk, I suggest buying a name brand US. Made tool.

Q: If the thread id of the helicoil is m8x1.25, so what is the od of that helicoil?

You purchase the kit you need depending on the thread type you are attempting to repair.

4.5/5

Product ID: 461457690

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🔩M8x1.25 precision thread size

⚙️135° apex drill for superior metal penetration

🛠️Complete multi-tool kit in compact iron case

Frequently Bought Together

BILITOOLS M8x1.25 Thread Repair Kit, HSS Drill Helicoil Repair Kit Metric

80Pcs M8x1.25 Threaded Inserts Stainless Steel Spiral Helical Thread Insertion Kit

Description

🛠️ Fix it right, fix it tight — the pro’s choice for thread repair!

PORTABLE PRO GRADE KIT - All essential tools neatly organized in a rugged iron case—ready for on-the-go fixes.
OPTIMIZED DRILL GEOMETRY - 135° apex angle drill bits ensure faster, cleaner penetration and enhanced efficiency.
PRECISION THREAD RESTORATION - Restore stripped M8x1.25 threads with surgical accuracy for a flawless fit every time.
DURABLE 304 STAINLESS INSERTS - Upgrade weak threads to high-torque ready, corrosion-resistant stainless steel strength.
UNIVERSAL MATERIAL COMPATIBILITY - Works seamlessly on metals, composites, and polymers—your all-in-one repair solution.

The BILITOOLS M8x1.25 Thread Repair Kit is a professional-grade solution designed to restore and strengthen damaged internal threads across metals, composites, and polymers. Featuring durable 304 stainless steel inserts and precision 135° apex drill bits, this kit ensures high torque capacity and efficient repair. All tools are conveniently housed in a compact iron case, making it ideal for automotive, plumbing, and industrial applications.

Specifications

Manufacturer	BILITOOLS
Brand	BILITOOLS
Package Dimensions	17.7 x 13.41 x 3.99 cm; 522 g
Manufacturer reference	B1L98086
Manufacturer Part Number	B1L98086
Item Weight	522 g

Have a Question? See What Others Asked

Anyone try this kit to repair side post battery terminals?

What’s the installed thread length of the inserts? Specifically 5/16-18

will this work on .9 thread?

If the thread id of the helicoil is m8x1.25, so what is the od of that helicoil?

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