Terrax by Ruko 130 Piece HSS-G Twist Drill Set Split Point
Summary
- Rolled spiral drill bit set made from high performance HSS.
- With increased break-resistance.
- High performance bits, intended for all normal drilling usses in common materials.
Terrax A205195 Spiral Drill Bit Set 130 Piece HSS-R Description
Drill Bit Set DIN 338, type: normalised structure high-speed steel, for rails, with 130 drills. Powerful spiral drill is suitable for all normal drilling in conventional materials. Rolled spiral drill made of high-speed steel. The rolled spiral drill has an increased resistance to fracture. Applications: for steel, cast steel alloyed and unalloyed (up to 900 newtons/millimetre of ?strength), grey, malleable, ductile and pressure castings, sintered iron, nickel silver, graphite, short chipping aluminium alloys, brass and bronze. Specifications: Diameter: 10 pieces, diameter: 1mm - 6mm x 0.5mm increments 10 pieces, diameter: 3.3 and diameter: 4.2mm Grinding: Conical section Thinning: Standard sanding*: Point angle: 118? Spiral angle: 20-30? Tolerance of diameter: h8 Surface: bright Right-handed cutting Standard sanding Application: For all normal drilling in steel, non-ferrous metals and plastics. The tip angle depends on the machinability of materials. Advantages: Strong main cutting edges, resistant to impact and side forces. Easy sanding is possible by hand. Cons: width cross-cutting requires high feed force.
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