Item Number Key for

KENNAMETAL HERTEL-Solid Carbide Drills

Type Application Symbol CODE Version Internalcooling B104 B 105 B 106 DIN 6537 K (short)DIN 6537 L (long) Standard extra long Cast ironAluminium Titan TF-DRILL â—† â—†â—† B210 B211 B212 DIN 6537 K (short) DIN 6537 L (short) Standard extra long âœ” âœ” âœ” High-alloy steelsStainless and acid-resistant steels Carbon steelsAlloyed steels â—† B221 B222 DIN 6537 K (short)DIN 6537 L (long) Carbon steelsAlloyed steels High-alloy steels Cast iron â—†â—† B224 B225 B226 DIN 6537 K (short) DIN 6537 L (long) Standard extra long âœ” âœ” âœ” SE-DRILL B254 B255 B256 DIN 6537 K (short)DIN 6537 L (long) Standard extra long âœ” âœ” âœ” Alloyed steelsCast iron â—† Dry machining of: Carbon steels Alloyed steels High-alloy steels â—† B 261 B 262 DIN 6537 K (short)DIN 6537 L (long) Aluminium,Cast ironAluminium B410 B411 B412 B495 DIN 6537 K (short)DIN 6537 K (short) Standard extra long DIN 6537 L (long) âœ” âœ” âœ” âœ” â—† TX-DRILL â—† Factory standard120°nose angleFactory standard90°nose angle â—† â—† B 501B 505 NC-Spot drill â—† â—† B 510 B 504 HTS-Pilot drill HSS factory standard âœ”
(partially) Hard machining drill Hard materials â—† B 781 similar to DIN 6597 K(short)

â—†

= Standard range = Semi-standard range

B