DrillingSolidIndexableIndexableHead TypeInsert TypeReamersBrazedOthers Cutting Force (N)Cutting Force (N) Large Vibration Amplitude Super MultiDrills GS / HGS Type ■ General Features The GS and HGS types of the Super MultiDrill are solid carbide drills that employ a new flute design and wide chip pocket to achieve excellent chip control and evacuation. DEX coating enables long, stable tool life over a wide cutting range, with various work materials and applications. J ■ Features and ● Long tool life Applications New cutting edge design and special DEX Coat provide long tool life for a wide variety of work materials. ● Stable chip evacuation New flute shape significantly improves chip control and evacuation. ● Quiet cutting and stable cutting force Stable drilling with little wobble even in small machine applications. ● Environmentally friendly Also compatible with the MQL (Minimum Quantity Lubrication) system. Wide chip pocket for smooth evacuation of chips generated inside. *"J flute" is a registered trademark. HGS Type GS Type ■ Product Range CoolantSupply Cat. No. DiameterRange (mm)Hole Depth (L/D) MDW GS2External up to 2 (GS Type) MDW ø1.0 to ø20.0GS4 up to 4 MDW HGS3 up to 3 Internal MDW(HGS Type) ø1.5 to ø20.0HGS5 up to 5 MDW HGS8 ø1.5 to ø16.0 up to 8 ■ Performance Chip control Comparison of Cutting Force GS Type Conventional Tool GS Type Conventional Tool (N) 1,800 Increase near Thrust end of hole 1,400 1,000 Torque 600 0 Hole Entrance Hole Exit Hole Entrance Hole Exit (N) 200 150 XY Force Amplitude Width 100 50 0 -50 -100 -150 -200 Hole Entrance Hole Exit Hole Entrance Hole Exit GS type provides stable drill behaviour Compact chips throughout the drilling process Tool: MDW 0800GS4 Work Material: S50C (200HB) Cutting Conditions: v c=80m/min, f=0.25mm/rev, H=24mm, external coolant supply (water soluble) J46