Dormer E500 HSS Coarse Tap, Straight Flute, 20mm, Second
Dormer 20mm HSS coarse tap with straight flutes for precision threading. Suitable for hand or machine use in various materials.
The Dormer E500 HSS Coarse Tap is designed for precision threading operations with its straight flute design. This versatile tap can be used both by hand and in machines, making it suitable for various applications. It excels in tapping through holes or blind holes in most materials, providing reliable performance across different working conditions.
For blind holes, it's recommended to use the E500 tap as part of a set, which includes three taps: the taper (first) tap, second (intermediate) tap, and bottoming (third/plug) tap. This ensures smooth and accurate threading from start to finish.
Key Features
- Made from high-speed steel (HSS) for durability and long tool life
- Class 2 tolerance ensures precise 6H fit threads
- Bright surface treatment for enhanced corrosion resistance
- Suitable for metric coarse threading applications
- Straight flute geometry facilitates chip evacuation
- Available in chamfer numbers 1, 2 and 3 (serial numbers 4 and 5)
This 20mm x 2.5 second tap meets ISO 529 standards, guaranteeing quality and compatibility with industry requirements. Whether you're working in a professional workshop or tackling DIY projects, this Dormer tap delivers consistent, high-quality results.
- Hand tapping operations
- Machine tapping applications
- Through hole threading
- Blind hole threading (with complete tap set)
- Size: 20.0mm x 2.5
- Tap Type: Second (Intermediate)
- Material: HSS (High Speed Steel)
- Tolerance: Class 2 for 6H Fit
- Surface Treatment: Bright
- Flute Geometry: Straight Flutes
- Chamfer No: 1, 2 and 3
- Serial No: 4 and 5
- Standard: ISO 529
- Weight: 139g
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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