Descrizione
A Bolt Is Only as Strong as the Thread That Holds It.
Every machine you will ever repair is held together by threads, and every thread either cuts cleanly or fails slowly. The Thread Forge exists for the second case - the stripped stud, the snapped bolt, the bracket that has to be re-threaded to a larger size because the original hole is gone. It is a tap and die set cut from high-grade bearing steel, hardened to HRC 55-62, and it is built to cut a true thread into stainless and mild steel rather than to merely clean one up.
The hardness matters because a soft tap deforms before it cuts. Bearing steel held at HRC 55-62 keeps a crisp cutting edge through repeated use, so the thread it produces is dimensionally consistent from the first hole to the twentieth. Each tap and die is CNC machined, heat treated at 800 degrees C and then double polished - a sequence that removes the surface irregularities left by grinding and is the difference between a thread that starts easily and one that chatters and tears.
The sets span M2 x 0.4 to M18 x 1.5 and cover both metric and SAE sizes, which means most workshop threading jobs - automotive, agricultural, HVAC, bicycle and machine maintenance - are handled from a single case. The 116-piece configuration carries 35 taper taps, 35 plug taps, 35 dies and the complete set of tap and die wrenches needed to drive them, each sitting in a moulded PE recess so the set can be audited at a glance before a job begins.
Threads are the language machines speak. This is how you speak it back.
Key Features
- ✦ Bearing steel at HRC 55-62 - hard enough to cut stainless and mild steel without rolling the cutting edge.
- ✦ Coverage from M2 x 0.4 up to M18 x 1.5 across metric and SAE standards, so one case replaces a shelf of loose taps.
- ✦ Each component is CNC machined, heat treated at 800 degrees C and then double polished, which is where thread accuracy comes from.
- ✦ The 116-piece configuration includes 35 taper taps, 35 plug taps, 35 dies and the full set of tap and die wrenches to drive them.
- ✦ A moulded PE case with formed recesses, so every tap and die returns to a known position instead of rolling loose in a drawer.
- ✦ Wear and corrosion resistant finish - the set is meant to be used in a working shop, not kept in a display cabinet.
Technical Specifications
- MaterialHigh-grade bearing steel, taps and dies
- HardnessHRC 55-62 after heat treatment
- Set Options40 / 60 / 80 / 110 / 116 pieces
- 116-Piece Set35 taper taps, 35 plug taps, 35 dies, 2 tap wrenches, 2 die wrenches, 1 T-type tap wrench
- Thread RangeM2 x 0.4 through M18 x 1.5
- StandardsMetric and SAE thread sizes
- Heat Treatment800 degrees C, followed by double polishing
- ManufacturingCNC machined then secondarily polished for accuracy
- Net Weight1.2 / 2.3 / 2.6 / 6 kg depending on set size
- CasePE plastic moulded storage case
- Corrosion ResistanceWear and corrosion resistant surface finish
- OriginMainland China
Where It Belongs
The Thread Forge belongs in any workshop where metal is repaired rather than replaced: automotive service bays re-threading a sump or a manifold stud, agricultural and plant maintenance crews working on seized fasteners in the field, HVAC engineers cutting new threads on gas and water line, and fabrication shops where a threaded hole has to be added to a finished part. It is equally useful in a home workshop where a single stripped bolt would otherwise mean a new assembly, and in educational metalworking departments where students need a set that survives semester after semester of practice.
Frequently Asked Questions
Q: What is the difference between taper taps, plug taps and bottoming taps?
A: A taper tap starts the thread with a long lead-in and is easiest to keep straight. A plug tap cuts closer to the bottom of a blind hole. This set supplies taper and plug taps so the two stages cover most through and blind holes.
Q: Can I cut stainless steel with this set?
A: Yes. At HRC 55-62 the taps and dies are hard enough for stainless and mild steel. Use a proper cutting fluid and turn the tap a half turn forward and a quarter turn back to clear the chips.
Q: Will the set cover both metric and imperial threads?
A: The sets are supplied with metric and SAE thread sizes, covering M2 x 0.4 through M18 x 1.5 plus the corresponding imperial pitches for the configuration you choose.
Q: Why do the taps and dies get heat treated twice in production?
A: They are heat treated at 800 degrees C to set the hardness and then double polished. The polishing removes surface irregularities left by grinding, which is what keeps the thread accurate and the cut smooth.
Q: Do the sets come with the wrenches needed to use them?
A: Yes. The 116-piece configuration includes two tap wrenches, two die wrenches and one T-type tap wrench, so the set is usable as delivered.
Q: Is the case included?
A: Every set is packed in a moulded PE plastic case with formed recesses, so taps and dies stay separated and visible instead of rolling loose in a toolbox.
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