Bronze Tempered (Bronze Oxide) Surface Treatment
A1174.0
Stub Drill
Ordering number: 5967923
Stub length drill with straight shank, diameter 4mm with an overall length of 55mm and flute length of 22mm according to DIN 1897 standard with 135° split point, cobalt based HSS-E with bronze finish for 2.5xD drilling without pecking in stainless steel and super-alloy
Product Feature
High Speed Cobalt Steel Tool Material
DIN 1897 – Stub Drill Standards
2.5×D Usable Tool Depth to Diameter Ratio
Drill Point 135°
Cylindrical Shank / Straight Shank
Standard Spiral Flute Design
Right Hand Rotation / Cutting
h8 – Industry Standard Tool Tolerance Zone (based on diameter range)