Dormer E500 HSS Coarse Tap 12mm Bottoming, Straight Flute
Dormer's 12mm HSS bottoming tap for precision threading in blind holes. Straight flute design for hand or machine use. ISO529 compliant.
The Dormer E500 HSS Coarse Tap is a high-performance cutting tool designed for precision threading applications. Made from high-speed steel (HSS), this straight flute tap is engineered for versatility and durability, suitable for both manual and machine use.
Ideal for creating threads in both through and blind holes across various materials, this tap excels in engineering and manufacturing environments. For blind holes, it is recommended to use a set of three taps: the taper (first tap), intermediate (second tap), and this bottoming (plug/third tap) for complete thread formation.
Key Features
- Dual-purpose design for hand or machine operation
- Straight flutes optimise chip evacuation
- Bright surface treatment for corrosion resistance
- Precision ground threads for accurate 6H class fit
Technical Specifications
- Thread Size: 12.0 x 1.75mm (Coarse)
- Tap Type: Bottoming (Plug)
- Material: High Speed Steel (HSS)
- Chamfer Numbers: 1, 2 and 3 (Serial 4 and 5)
- Standard: ISO529 compliant
This professional-grade tap delivers reliable performance for demanding threading tasks in workshops, engineering and industrial maintenance applications.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Manual tapping operations
- Machine tapping applications
- Threading blind holes (as part of 3-tap set)
- Threading through holes
- Tolerance: Class 2 for 6H Fit
- Surface treatment: Bright
- Material: HSS High Speed Steel
- Chamfer No: 1,2 and 3, Serial no 4 and 5
- Flute Geometry: Straight Flutes
- Standard: ISO529
- Size: 12.0 x 1.75 bottoming
- Weight: 49g
Always follow local regulations and product guidance.
Free standard delivery on Australian 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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