Widin Carbide Drills Through Coolant 5xD AlTiN Coated - 3.9mm A&NF Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting: Supports efficient chip control and stable cutting

Helix Angle: 45° – optimized for efficient shearing action and balanced cutting performance

Built to DIN 206-B standards with ISO H5 tolerance

while the straight shank offers straightforward integration with standard reaming setups

5): Engineered balance minimizes vibration and runout

Widin Carbide Drills Through Coolant 5xD AlTiN Coated - 3.9mm A&NF Left-hand spiral flute with right-handWidin Carbide Drills Through Coolant 3. 9 mm are solid carbide cutting tools designed for reliable, high precision holes. With through coolant delivery and an AlTiN coating, they excel in demanding materials and deep hole applications. The 3. 9 mm diameter and 5xD length deliver stable starts, clean holes, and extended tool life for both professional shops and home workshops. Built to handle tough workpieces, the drill's long 5xD reach combines with