Widin Carbide Drills Through Coolant 5xD AlTiN Coated - 9.7mm ER Mini Collet Chucks while the compact 3

while the compact 3

This reamer finishes drilled holes to tight H4 tolerance with durable HSS-E (M35 cobalt) construction and a left-hand spiral flute that supports efficient swarf control

it combines a left-hand spiral flute for efficient chip evacuation with right-hand cutting for controlled material removal

2) to tailor finishes to your specific mold or die geometry

Sized for M48 x 1

Widin Carbide Drills Through Coolant 5xD AlTiN Coated - 9.7mm ER Mini Collet Chucks while the compact 3Widin Carbide Drills Through Coolant 5xD AlTiN Coated 9. 7mm diameter are designed for precise, deep hole drilling in metals and hard alloys. Built for engineers, machinists, and serious hobbyists, this drill delivers dependable performance from the first hole to the last. Its solid carbide core delivers long tool life, while the AlTiN coating boosts wear resistance and enables higher cutting speeds. The through coolant design ensures efficient chip