Dormer A520 HSS Tin ADX Stub Drill Bit 3.4mm Pack of 1

... - Manufacturers part number: A5203.4

• Special geometry allows higher cutting data and reduced cycle times
• TiN Coating increases surface hardness, wear resistance and improves tool life
• Convex cutting edges and flute design aid swarf breakage and removal
• 130 degree special point provides self centering, low thrust and easier penetration
• High Speed Steel (HSS) provides good hot hardness when drilling