Dormer E500 HSS Coarse Tap, 12mm Taper, Straight Flute

The Dormer E500 HSS Coarse Tap is an exceptionally versatile cutting tool designed for both manual and machine use. Featuring straight flutes and a high-speed steel (HSS) construction, this tap is built to deliver precision and durability across a wide range of applications. It is especially suitable for through or blind holes in most materials, though for blind holes, it is recommended to use a full set of taper, intermediate, and bottoming taps for optimal results.

Dormer E500 taps are manufactured to ISO529 standards with a Class 2 tolerance, ensuring a 6H fit for superior thread quality. A bright surface treatment enhances performance, while the straight flute geometry improves chip evacuation. Available in chamfer numbers 1, 2, 3 with serial numbers 4 and 5, this metric coarse tap (12.0mm x 1.75 taper) is a reliable choice for professionals.

Key Features

• High-speed steel (HSS) for durability and long tool life
• Straight flute design suitable for hand or machine use
• Class 2 tolerance for 6H fit thread quality
• Bright surface treatment for smooth operation
• Compatible with taper, intermediate, and bottoming tap sets for blind holes

Applications

• Ideal for general-purpose threading in various materials
• Perfect for through and blind holes when used in sets
• Suited for workshops, manufacturing, and repair environments