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Description
Mini M1-M2.5 tap and die set — 31 pieces
Mini M1–M2.5 tap and die set is designed for cutting micro threads in precision components. It is used in watchmaking, jewelry making, model making, electronics, and wherever threads with diameters below 3 mm are required. The set includes two-piece tap sets, dies, and a universal tap and die wrench with three interchangeable adapters.
The set includes
| ▸ | M1–M2.5 hand taps — 2-piece HSS sets (roughing + finishing), 9 sizes |
| ▸ | M1–M2.5 dies — ∅12×3 mm, HSS, 9 sizes |
| ▸ | Universal tap and die wrench — for taps and dies, with 3 interchangeable adapters |
Total in the set
31 pieces
HSS hand taps — micro threads
M1–M2.5 taps are made from high-speed steel (HSS) and designed for manually cutting internal threads in small metal parts. Each size consists of two tools — a roughing tap that establishes the profile and a finishing tap that produces the exact size.
The two-stage working method minimizes the risk of breaking the thin shank, which is particularly important for diameters below 3 mm. Micro threads require careful tool guidance and a suitable lubricant — machine oil or technical petroleum jelly is recommended.
| Thread | Pitch P [mm] | Overall length l₁ [mm] | Flute length l₂ [mm] | Shank ∅ d₂ [mm] | Square a [mm] | Hole ∅ [mm] |
|---|---|---|---|---|---|---|
| M1 | 0.25 | 32.0 | 6.0 | 2.5 | 2.10 | 0.75 |
| M1.1 | 0.25 | 32.0 | 6.0 | 2.5 | 2.10 | 0.85 |
| M1.2 | 0.25 | 32.0 | 6.0 | 2.5 | 2.10 | 0.95 |
| M1.4 | 0.30 | 32.0 | 7.0 | 2.5 | 2.10 | 1.10 |
| M1.6 | 0.35 | 36.0 | 7.0 | 2.5 | 2.10 | 1.25 |
| M1.8 | 0.35 | 36.0 | 8.0 | 2.5 | 2.10 | 1.45 |
| M2 | 0.40 | 36.0 | 8.0 | 2.8 | 2.10 | 1.60 |
| M2.2 | 0.45 | 36.0 | 8.0 | 2.8 | 2.10 | 1.75 |
| M2.5 | 0.45 | 40.0 | 9.0 | 2.8 | 2.10 | 2.05 |
| 2-piece set: roughing + finishing | 9 sets | |||||
Material: HSS (high-speed steel) | ISO metric coarse threads | Standard: DIN 352
HSS dies ∅12×3 mm
M1–M2.5 dies are used to cut external threads on small-diameter rods and pins. All dies in the set have the same outside diameter of ∅12 mm and thickness of 3 mm, allowing a single adapter to be used in the universal tap and die wrench.
| Thread | Pitch P [mm] | Die ∅ [mm] | Thickness [mm] | Shaft ∅ [mm] |
|---|---|---|---|---|
| M1 | 0.25 | 12 | 3 | 0.95 |
| M1.1 | 0.25 | 12 | 3 | 1.05 |
| M1.2 | 0.25 | 12 | 3 | 1.15 |
| M1.4 | 0.30 | 12 | 3 | 1.35 |
| M1.6 | 0.35 | 12 | 3 | 1.55 |
| M1.8 | 0.35 | 12 | 3 | 1.75 |
| M2 | 0.40 | 12 | 3 | 1.95 |
| M2.2 | 0.45 | 12 | 3 | 2.15 |
| M2.5 | 0.45 | 12 | 3 | 2.45 |
| Dies in the set: | 9 pcs | |||
Die size: ∅12×3 mm | Material: HSS
Universal tap and die wrench with adapters
Universal tap and die wrench allows use with both the taps and dies in the set. Three interchangeable adapters are included to fit different tap shank sizes and ∅12 mm dies. This allows one tool to cover the entire M1–M2.5 micro thread range.
Application
The mini tap and die set is designed for work requiring precision and a delicate touch:
- Watchmaking — repair and assembly of clock mechanisms
- Jewelry making — cutting threads in small jewelry components
- Model making — building scale models, RC models, and mock-ups
- Electronics — assembly of miniature connectors and enclosures
- Optics — adjustment and assembly of precision components
- Precision mechanics — manufacturing and repair of small subassemblies
▲
Tips for working with micro threads
Threads with diameters below 3 mm require particular care. Apply minimal pressure and always use a lubricant (machine oil, petroleum jelly). After every 2-3 turns, reverse the tap half a turn to remove chips. Drill holes using drill diameters specified in the table — an undersized hole will cause the tap to break.
Frequently asked questions
Drill a hole with a drill bit smaller than the nominal diameter — formula: thread diameter minus pitch. Example for M2: 2.0 mm minus 0.4 mm gives a 1.6 mm drill bit. Secure tap No. 1 (roughing tap) in the tap wrench and insert it squarely into the hole. Work gently: a quarter turn forward, a quarter turn back. Then follow with tap No. 2 (finishing tap). Use minimal force when cutting micro threads — the tools are very delicate.
Calculate the drill diameter using the formula: nominal diameter minus thread pitch. Values for the threads in the set: M1 — 0.75 mm, M1.1 — 0.85 mm, M1.2 — 0.95 mm, M1.4 — 1.1 mm, M1.6 — 1.25 mm, M1.8 — 1.45 mm, M2 — 1.6 mm, M2.2 — 1.75 mm, M2.5 — 2.05 mm.
The set is designed for cutting micro threads in precision applications. It is suitable for watchmaking, jewelry making, model making, optics, and electronics. Taps cut internal threads in holes, while dies cut external threads on thin rods and pins.
The universal tap and die wrench has a holder designed for both square tap shanks and dies with a diameter of 12 mm. One tool replaces a separate tap wrench and die stock. When cutting micro threads, work slowly and without excessive force — delicate tools break easily.
Product accessories
Set of metal drill bits 1-10 HSSE Inox DIN 338
Reference: 0000007864 In stock > 10 items
€25.00
€30.75 brutto
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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