Dormer E500 HSS Coarse Tap, Straight Flute, 3.5mm Taper
High-speed steel Dormer E500 tap (3.5mm taper, straight flutes) for precise hand/machine threading in blind or through holes.
The Dormer E500 Straight Flute Tap is designed for high performance and versatility in tapping applications. Featuring high-speed steel (HSS) construction, this tap ensures durability and precision when threading through or blind holes in various materials. Engineered for both hand and machine use, the E500 series offers exceptional flexibility across different applications, making it a must-have for professional and DIY users alike.
Key Features
- Material: High-Speed Steel (HSS) — ensures long-lasting sharpness and heat resistance.
- Flute Geometry: Straight flutes — ideal for efficient chip evacuation, reducing the risk of clogging.
- Tolerance: Class 2 for 6H Fit — guarantees precise threading for reliable results.
- Chamfer Nos: 1, 2, 3, Serial Nos 4 and 5 — caters to different threading depths and hole types.
- Size: 3.5mm x 0.6 taper — suitable for standard metric coarse threading projects.
Usage Recommendations
For optimal results when tapping blind holes, it’s recommended to use the E500 tap in a set of three:
- Taper (First Tap): Initiates the threading process.
- Intermediate (Second Tap): Refines and deepens the thread.
- Bottoming (Plug Tap): Completes threading to the bottom of the hole.
Surface-treated for a bright finish, this tap minimizes friction and enhances corrosion resistance for prolonged tool life. ISO 529 compliant, the Dormer E500 is a trusted choice in workshops and manufacturing settings where precision and reliability are paramount.
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- Hand tapping applications
- Machine tapping operations
- Blind or through holes
- Various materials including steel, aluminium, and plastics
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- Material: High-speed steel (HSS)
- Flute Type: Straight flutes
- Tolerance: Class 2 for 6H Fit
- Surface Finish: Bright
- Chamfer Number: 1, 2, 3, Serial No 4 & 5
- Size: 3.5mm x 0.6 taper
- Weight: 7g
Always follow local regulations and product guidance.
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