Guhring Jobber Length Drill Bit, Series: GT100/549, Metric/Imperial, 6.8 mm Drill - Metric, 0.2677 in Drill - Decimal Inch, 109 mm Overall Length, 5XD Cutting Depth, 2 Flutes, Parabolic/Right Spiral Flute, 69 mm Flute Length, 6.8 mm Shank, Straight Shank, 130 deg Point, Cone Relief/Standard Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Nitrided Lands, Applicable Materials: Aluminum, Brass, Bronze, Cast Iron, Copper, Free Cutting Steels, Magnesium, Plastic and Tool Steels

Guhring's GT100 parabolic flute design is suitable for a wide range of materials and the most universal. Available in high-speed steel (HSS), cobalt (HSCO) and carbide substrates, the GT100 flute form can be used to successfully drill ferrous and non-ferrous materials. Standard GT100 drills incorporate a 130 deg point angle with a Type A web thin for maximum efficiency.