4.8mm Z-Coated Carbide Jobber Through Coolant Dream Drill Pro - DGN508 Series (YG-1)
The NEW Dream Drill Pro range from YG-1 is the next step up in performance, with ultra high drilling speeds. The DGN508 series through coolant jobber drills have a unique wave shape cutting edge which improves chip formation. The optimised wide flute design provides a good surface finish, longer tool life and requires less cutting force. These are a dedicated drill series for high performance drilling of Carbon Steels, Alloy Steels (HB225-325), Pre-hardened Steels (HRc30-50) and Cast Iron.
Carbon Steel ~ HB 225
Alloy Steels HB225-325
Pre-Hardened Steel HRc30~45
Hardened Steels HRc55-
Hardened Steels HRc-45-55
HRSA's (Heat Resistant Super Alloys)