Orion Motor Tech TAD Metric Tap and Die Set, M3–M12, GCr15 Steel

The 34 taps and dies cover common metric sizes from M3 through M12, giving you tools to cut or clean both internal and external threads. With tap and die wrenches plus a thread pitch gauge in one organized case, the set brings key threading tools together for repair and shop work.

Heat-treated GCr15 bearing steel and a selection of handles support hands-on threading tasks across a range of materials.

Key points

This metric tap and die set includes 17 dies and 17 plug taps, along with a long-handle tap wrench, two T-handle tap wrenches, an adjustable die wrench, a 1/8-inch flathead screwdriver, and a thread pitch gauge. The range of handles gives you different ways to work with taps and dies, while the gauge helps identify thread pitch when selecting a tool for a repair.

The set is made from heat-treated GCr15 bearing steel. Its tools are intended for creating or correcting internal and external threads in wood, copper, aluminum, iron, carbon steel, and other materials. Tap ends measure 5–10 mm long to fit the included metric wrenches. A blow-molded case keeps the tools organized and makes it practical to carry the kit between a workbench and job site.

Buyers describe the tools as functional for threading work, including repairs such as restoring a brake caliper bolt. Feedback on quality and durability is mixed: some buyers report breakage or stripped threads on first use, including concerns about the M12x1.75 tap. These are useful considerations when choosing a set for workshop repairs.

Best use cases

Use the kit to cut new threads or clean up existing internal and external threads on compatible workpieces. The range from M3 to M12 suits jobs that call for several common metric sizes, rather than a single dedicated tap or die. For example, a mechanic working on a threaded component can use the pitch gauge to help select a matching tool, then use the appropriate wrench to guide the threading task.

The listed material applications include wood, copper, aluminum, iron, and carbon steel. Match the tap or die to the thread size and pitch needed for the particular repair, and choose the appropriate tool for the material being worked.

Everyday use

For a garage or shop, keeping taps, dies, and their operating tools together makes it easier to approach a range of thread-cutting and repair jobs from one case. The long-handle and T-handle tap wrenches provide different handle formats for working with the included taps, the adjustable die wrench is used with the dies. The pitch gauge and screwdriver round out the kit for selection and setup tasks.

A useful alternative is buying individual taps and dies as each job comes up. This set makes more sense when you want a ready selection of metric sizes and the corresponding wrenches organized together. The blow-molded case helps keep the pieces grouped between jobs, whether the kit stays at a workbench or travels to another work area.

When it makes sense

Choose this set when your work regularly involves cutting or cleaning multiple metric thread sizes and you want taps, dies, wrenches, and a pitch gauge in one kit. Its M3–M12 range and listed use across several materials make it relevant for mechanics, machinists, and general garage or shop repairs. For a threading task, the practical advantage is having the matching tool range and handles together, ready to select for the size and thread type at hand.