Kennametal 2397689 Screw Machine Drill Bit, 7.90 mm (0.3110 in) Dia, 140 deg, Solid Carbide

TiAlN Finish, 79.00 mm OAL, Right Hand Cut, 2 Flute, Regular Spiral Flute, Straight-Cylindrical Shank, Coolant Through, Series B976A.

Features:

• Four-margin land design provides hole straightness and roundness, even when drilling cross-holes
• Low thrust drill point design offers excellent centering and is ideal for unstable machining conditions
• Easy to recondition, delivering extended tool life
• Versatile across various machines
• All shanks meet DIN 6535 and 69090-03 requirements for Minimum Quantity Lubrication (MQL)