Recommended values for drilling Xtra tec Insert Drill B421x Material 1045 (1 0503) steel, cast steel Rm 650 N/mm2 Torque 0 0016 0 0024 0 0039 0 0

Recommended values for drilling Xtra tec Insert Drill B421x Material 1045 (1.0503) steel, cast steel Rm 650 N/mm2 Torque 0.0016 0.0024 0.0039 0.0063 0.0098 f in/rev 0.0020 0.0031 0.0047 0.0079 0.0118 Power requirement Dc in 0 4.724 0 3.937 0 3.150 0 2.362 0 1.969 0 1.575 0 1.181 0 0.984 Thrust 7194 5710 4532 3597 2855 2266 1798 1428 1133 899 714 567 450 357 283 225 178 142 112 89 71 56 Dc in 0 4.724 0 3.937 0 3.150 0 2.362 0 1.969 0 1.575 0 1.181 0 0.984 f in/rev Feed force 0.0016 0.0024 0.0039 0.0063 0.0098 Mc ft lbs 0.0016 0.0024 0.0039 0.0063 0.0098 0.0020 0.0031 0.0047 0.0079 0.0118 The power requirement1 data is based on a cutting speed of 100 m/min. If the cutting speed is doubled, the power requirement also doubles, i.e. the power requirement is directly proportional to the cutting speed. For steels with a higher tensile strength, the power and torque required are correspondingly higher. Dc in 0 4.724 0 3.937 0 3.150 0 2.362 0 1.969 0 1.575 0 1.181 0 0.984 f in/rev C 214 WALTER Valenite Technical information Drilling