Master DIY Metric Threading Tool Kit (12 PCS) | Durable Bearing Steel Constructi

Product Specification

1. Product Introduction

The 12-Piece Metric Tap and Die Set is a must-have toolkit for every home workshop, garage, and maintenance department. This set provides a comprehensive solution for creating brand-new threads or restoring damaged, rusted, and stripped threads on bolts and holes.

Crafted from high-quality Alloy Steel (Bearing Steel) and precision heat-treated for maximum toughness, these tools are designed for reliability and ease of use. Whether you are a hobbyist or a maintenance professional, this compact kit ensures you have the right tool on hand to keep your projects moving forward.

2. Technical Specifications Matrix

3. Primary Product Applications

This set is specifically optimized for versatility in household, automotive, and light industrial environments:

• Automotive Maintenance: Perfect for cleaning out corroded threads on engine brackets, repairing stripped threads on battery terminals, or restoring wheel studs.

• Household Repair: An essential tool for fixing stripped threads on furniture, plumbing fixtures, door hardware, and garden equipment.

• DIY & Crafting: Ideal for makers creating custom metalwork, robotics, or cabinetry that requires precision metric threading.

• MRO (Maintenance & Operations): A cost-effective "first-response" kit for facility maintenance teams to handle quick on-site thread repairs.

4. User Challenges & Engineered Solutions

• Challenge: Tools breaking or dulling prematurely.

  • Solution: We use premium Bearing Steel (Alloy Steel) that undergoes a specialized vacuum heat-treatment process. This results in a hardness of 58-62 HRC, providing the perfect balance of edge retention and structural toughness for manual threading.

• Challenge: Inaccurate thread fit or "wobble."

  • Solution: Every tap and die in this set is fully ground rather than just rolled. This ensures razor-sharp cutting edges and a precise 6H Metric tolerance, guaranteeing a consistent, professional fit every time.

• Challenge: Slipping or uncomfortable tools during use.

  • Solution: Our adjustable tap wrench and die stock feature knurled steel handles. This ergonomic design provides maximum grip and leverage, even when your hands are oily or sweaty, ensuring safe and accurate torque application.

5. FAQ (Frequently Asked Questions)

Q: Can I use this set on Stainless Steel?

A: While this alloy steel set is excellent for mild steel, copper, brass, and aluminum, it is not recommended for high-volume work on stainless steel. For stainless applications, we recommend our HSS-E (Cobalt) series.

Q: Is it necessary to use lubrication with these tools?

A: Yes. We strongly recommend using a drop of cutting oil or WD-40 during use. This reduces friction, prevents heat buildup, and ensures a much smoother thread finish.

Q: How do I identify the correct size for a repair?

A: Every tap and die is clearly laser-etched with its size and pitch (e.g., M8 x 1.25). Additionally, the storage case features labeled slots to help you stay organized and find the right tool instantly.

Q: Can these tools be used with a power drill?

A: This set is specifically designed for manual hand tapping. Using them with a power drill significantly increases the risk of tool breakage and thread damage due to the high torque and lack of "feel."