M3.0 X 0.50 Blue Merlin Spiral Flute Machine Tap Metric

• HSS
• Designed to produce a 6H Class of Fit
• For general purpose applications
• Helix angle of 30°-35° depending on size
• Spiral flute taps are designed for blind hole applications and lift chips out of the hole
• Suitable for various steels (up to 28Rc) and some stainless steel
• Ferrous Oxide surface treatment increases wear resistance, improves chip flow and reduces chip welding
• The Ferrous Oxide surface treatment also enables the tap to absorb the lubricant / cutting fluid