Dormer E544BA8BLUE Series E544 HSS BA8 40° Spiral Flute Machine Tap, Blue Finish, 0.43mm x 44.5mm

• Blue finish - prevents work piece material from sticking to the cutting edge
• Premium HSS material - high speed steel provides superior performance and extend tool life
• spiral flute - designed for efficient threading of blind holes
• ISO Standard - manufactured conforming to the international standardisation organisation
• Versatile product - first choice for tapping aluminium, also suitable for steel, stainless steels and cast iron

The E544 British Association (BA) machine tap is available in four sizes from No8 to No2. The steam tempered finish on these taps prevents workpiece material from sticking to the cutting edge so you get a clean, accurate thread and the High Speed steel used in manufacture means you can rely on great performance and extended tool life. The taps conform to guidelines laid down by the International Standards Organization. With a spiral flute, E544 taps are designed to thread blind holes. Suitable for machining in steels, aluminium, stainless steels and many other materials, E544 machine taps are very versatile.