Metric Tap & Die Set M3–M12 | 8/12/20 Pcs Alloy Steel Thread Kit

Metric Hand Tap & Die Set — M3 to M12 | 8, 12 & 20-Piece Kits

Take on any threading job with confidence using this versatile Metric Hand Tap and Die Set. Available in 8, 12, or 20-piece configurations, this kit covers thread sizes M3 through M12 — making it the go-to toolkit for machinists, DIY enthusiasts, mechanics, and woodworkers who need precise, clean threads every time.

Crafted from durable alloy steel, the taps and dies in this set are built to withstand repeated use on a wide range of materials including metals, wood, and plastics. Whether you're cutting new threads, restoring damaged ones, or creating threaded plugs, this set has you covered.

Made in Mainland China.

Key Features

• Complete Thread Coverage: Includes metric sizes M3, M4, M5, M6, M7, M8, M10, and M12 — suitable for a wide variety of fastening applications.
• Three Set Sizes: Choose the 8-piece, 12-piece, or 20-piece configuration to match your project needs and budget.
• Alloy Steel Construction: High-quality alloy steel ensures long-lasting sharpness and durability for both internal and external thread cutting.
• Straight & Taper Options: Includes both straight and taper tap types plus a reamer for versatile threading in blind and through holes.
• Includes Wrenches & Handles: Comes complete with die wrenches and tap handles so you can get to work right out of the box — no additional tools required.
• Silver Finish: Clean silver finish for easy identification and corrosion resistance during storage and use.
• Multifunctional: Ideal for hand screwdriver use, threading plugs, tapping new holes, repairing stripped threads, and general metalworking and woodworking tasks.

Specifications

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Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What thread sizes are included in this metric tap and die set?

A: This metric hand tap and die set covers sizes M3 through M12, including M3, M4, M5, M6, M7, M8, M10, and M12. The exact pieces included depend on whether you select the 8-piece, 12-piece, or 20-piece kit configuration.

Q: What materials can this tap and die set be used on?

A: The alloy steel construction makes this set suitable for threading a variety of materials including soft metals (aluminum, brass, copper), mild steel, wood, and certain plastics. It is designed for hand use with the included wrenches and tap handles.

Q: Does this set come with the wrenches and handles needed to use it?

A: Yes! This kit includes die wrenches and tap handles, so you have everything you need to start cutting threads right away without purchasing additional accessories.

Q: What is the difference between the straight tap, taper tap, and plug tap included in the set?

A: A taper tap has a gradual lead-in making it easiest to start in a new hole. A plug tap has a moderate lead-in and is the most common type for general threading. A straight (bottoming) tap cuts threads all the way to the bottom of a blind hole. Having all three types gives you maximum versatility for any threading task.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.