DIN8374 Straight Shank 45 Degree HSS Step Drill Bits
Metric Size: * Black Finish or Bright Finish Item No. Screw Size Minor Dia. Major Dia. Step Length Flute Length Overall Length DIN8374-001 M3 3.2mm 6mm 9mm 57mm 93mm DIN8374-002 M4 4.3mm 8mm 11mm 75mm 117mm DIN8374-003 M5 5.3mm 10mm 13mm 87mm 133mm DIN8374-004 M6 6.4mm 12mm 15mm 90mm 142mm DIN8374-005 M8 8.4mm 15mm 19mm 114mm 169mm DIN8374-006 M10 10.5mm 19mm 23mm 135mm 198mm