功能

• With Triangle Slip Prevention Shank: Triangle firmly stops on the three-claw chuck, and non-slip (idling prevention) is perfect.
• Sharpness/Quickness No. 1.
• Sharp Cutting Blade: With ISF's unique thinning, it has excellent centripetal properties without requiring a punch, more than twice the speed of normal work, and outstanding sharpness and durability.
• Strong Helix Groove and Stiffness: The high helix with a twist angle of 40° is extremely strong and can be cut lightly even with stainless steel.
• 3/8 axial type.
• Packed.