Dormer MTT-X Series taps are manufactured from HSS-X1 Steel with a bright finish, they are right hand cutting. Premium substrate with Steam Oxide surface treatment reduces wear and prevents chip welding in abrasive or harder ferrous
materials.

Features
• Metric fine sizes M4 to M22
• Manufactured to ISO 529
• Spiral flute for blind holes
• Taper lead to DIN form C
• Tapping tolerance to 6H
• 2.5xD
• Helix angle 45°
• Steam tempered