Goliath 2 x 0.4mm MC Spiral Flute HSS-Co5 Tap Bright
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This Goliath MC is the Spiral Flute HSS-Co5 Tap Bright.
Goliath HSS-Co5 cobalt spiral flute machine taps cut internal threads in blind holes at speed, ejecting chips upward for clean, uninterrupted cutting.
Where this product is used
Goliath spiral flute machine tap products are used across engineering workshops, production machining, and industrial maintenance programs.
- Tapping blind holes at machine speeds where chip ejection is critical.
- CNC and production tapping of ductile materials including aluminium, mild steel, and stainless steel.
- High-speed internal threading where chip packing would otherwise cause tap breakage.
Key specifications
| Specification | Detail |
|---|---|
| Model | MC |
| Diameter | 2mm |
| Drill Diameter | 1.6mm |
| Pitch (mm) | 0.4 |
| No. Of Flutes | 2 |
| Tolerance | ISO 2 |
| Length Overall (mm) | 41 |
| Group Code | GTAP |
| Thread Form Type | Metric Coarse |
| Material Grade | HSS-Co5 Cobalt |
Selecting the right option
Spiral flute taps suit blind-hole tapping — the spiral ejects chips upward, preventing chip packing. HSS-Co5 cobalt grade suits stainless steel, titanium, and difficult materials at machine speeds. Use a titanium nitride (TiN) coated tap for improved surface finish and tool life in production runs.
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Goliath MC Spiral Flute HSS-Co5 Tap Bright: 2mm
SKU: A0193565 | Model: A30EF2
Diameter 2mm. Goliath MC Spiral Flute HSS-Co5 Tap Bright
HSS-Co (Cobalt) Bright Finish Metric Coarse Spiral Flute Machine Tap.
HSS-Co Spiral Flute Tap.
Spiral Flute taps are designed primarily for machine tapping of blind holes.
They are used to the best advantage in materials that produce long continuous chips.
The right-hand spiral forces the swarf out of the hole and prevents the chips from clogging at the bottom of the hole or in the flutes, which could cause tap breakage or spoiled threads.
The Metric Coarse angle of the thread is 60 degrees.
The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well.
A larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength.
The major diameter of the external thread and pitch is specified by a simple numerical value (most commonly measured in millimetres).
Manufactured from HSS-Co5.