Steam Tempered (Steam Oxide) Surface Treatment
R18N55
R18 Jobber Drill
Ordering number: 5999251
Jobber length drill with straight shank, diameter 0.0520" (N55) with an overall length of 1.7/8" and flute length of 7/8" according to ANSI standard with 118° point angle, HSS with steam tempered finish for 4xD drilling without pecking in steel and cast iron
Product Feature
High Speed Steel Tool Material
ANSI – Tap Standards
4×D Usable Tool Depth to Diameter Ratio
Drill Point 118°
Cylindrical Shank / Straight Shank
Right Hand Rotation / Cutting