Dormer E500 HSS Coarse Tap, 3mm Second, Straight Flute
Versatile Dormer E500 HSS tap (3mm, Second) for manual or machine use in through/blind holes. High-speed steel & ISO529 compliant.
The Dormer E500 HSS Coarse Tap is a straight flute tap designed for both manual and machine use, offering exceptional versatility for various tapping applications. Its high-speed steel (HSS) construction ensures durability even in demanding conditions.
This tap is capable of machining through or blind holes in most materials. For blind holes, it is recommended to use the tap as part of a 3-tap set, consisting of:
- Taper (First Tap)
- Second (Intermediate Tap)
- Bottoming (Third/Plug Tap)
This specific model is the Second/Intermediate Tap, ideal for finishing internal threads after initial tapping with the taper tap.
Key Specifications
- Material: High-Speed Steel (HSS), ensuring long service life and resistance to wear.
- Tolerance: Class 2 for 6H Fit—providing precise and reliable thread quality.
- Surface Treatment: Bright finish for improved corrosion resistance.
- Flute Geometry: Straight flutes optimised for efficient chip evacuation.
- Chamfer No: Available in Nos. 1, 2, and 3 (Sets: Serial Nos. 4 & 5).
The Dormer E500 adheres to the ISO529 standard and is available in 3.0mm x 0.5mm (Second/Intermediate Tap) configuration. Whether working manually or with a machine, this tap ensures consistent and high-quality threading.
- Hand tapping
- Machine tapping (if required)
- Through-hole threading
- Blind-hole threading (as part of a 3-tap set)
- Material: High-Speed Steel (HSS)
- Tolerance: Class 2 (6H Fit)
- Surface Treatment: Bright
- Flute Geometry: Straight Flutes
- Chamfer Numbers: 1, 2, 3 (Serial Nos. 4 & 5 for sets)
- Size: 3.0mm x 0.5mm (Second/Intermediate Tap)
- Weight: 5g
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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