28x124mm F/L x 270mm OAL 4MT T/S Armour Piercing Drill Product Type_Insert  Size 13 – For

 Size 13 – For machining in small bore sizes and axial machining at small diameters

Holder : F

with an additional angle range for undercuts

These Air/Hydraulic pumps have the power

vibration loosening and moisture

28x124mm F/L x 270mm OAL 4MT T/S Armour Piercing Drill Product Type_Insert  Size 13 – ForUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 4 Morse taper Overall length 270mm Flute length 124mm Operating Conditions cutting speed between 3 4 meters per minute a feed of only 60 percent of standard drill Very rigid machine set up drilled without coolant Precautions drill must not touch work without feed being engaged no marking of work surface ie centre punch