Ruko Spiral Drill Bit DIN 338 Thread-Rolled 3.9 MM 201039 Pack of 10 in Plastic Pack

• Thread-rolled spiral drill bits made of high-performance high-speed steel.
• High-performance spiral drill bits for all normal drilling jobs in all common materials.
• The thread-rolled spiral drill bits ensure increased resistance to breakage.
• Packaging unit: in plastic Packaging
• Areas of use: for steel, cast alloy and unlegiert (up to 900 N / mm ² strength, greys, Temper-, Sphäro- and die-cast, sintered iron, nickel silver, Graphite, short cutting aluminium alloys, brass, Bronze.

High-performance ground standard twist drill made from heavy-duty high speed steel. The fully ground twist drill has a precise concentricity. Thanks to the split point, this drill has good centring properties and requires little pressure.