Twist Drill SPB DIN338 HSSG N 7.9mm Steel

Spiral drill STEEL dia. 7.9 mm HSS-G N DIN 338 118 universal Angle118 Diameter7.9 mm Flute length75 mm Length, total117 mm RPM from, grey cast iron, white cast iron403 RPM RPM from, hard non-ferrous metals1008 RPM RPM from, soft non-ferrous metals1209 RPM RPM from, steels over 700 N/mm806 RPM RPM from, steels up to 700 N/mm1008 RPM RPM from, thermoplastics, fibre-reinforced plastics (GRP/CRP) 605 RPM RPM to, grey cast iron, white cast iron1008 RPM RPM to, hard non-ferrous metals2016 RPM RPM to, soft non-ferrous metals2419 RPM RPM to, steels over 700 N/mm1008 RPM RPM to, steels up to 700 N/mm1411 RPM RPM to, thermoplastics, fibre-reinforced plastics (GRP/CRP) 1613 RPM Spiral angle, from25 Spiral angle, to30 VersionSTEEL Drilling tools with cross grinding for industrial uses. Fully ground, right-hand turning versions that produce precise drill holes thanks to their high concentricity and exact centring. PFERD offers spiral drills in the STEEL (118 point angle) and INOX (135 point angle) versions. High-performance drilling tools in the STEEL in HSSG (M2) version for industrial uses. Fully ground right-hand turning version with cross grinding that produces precise drill holes thanks to their high concentricity and exact centring. Advantages Very good chip removal. High concentricity. Exact centring and low feed force thanks to cross grinding. Suitable for general use on steel, cast steel, grey cast iron, annealed cast iron, bronze, brass, aluminium. Easy centring. Long tool life. Recommendations for use Observe the recommended rotational speeds. When drilling metals, use a high-quality cutting oil or cooling lubricant, if possible. This facilitates smooth running and extends the drill tool life. Exception: when working on aluminium, use kerosene instead of cutting oil. When working on stainless steel (INOX) , remove any particles that break away from the workpiece in order to avoid corrosion. Clean the workpiece chemically or mechanically (etching/polishing, etc.) . Safety notes Wear eye protection! Follow the safety instructions! Materials that can be worked Aluminium Annealed cast iron Black annealed cast iron (GTS, GJMB) Brass Bronze Case-hardened steels Casting scale Casting scale with sand contamination and metal contamination Cast iron Cast steel Chipboard Copper Ductile cast iron Elastomers Fibre-reinforced thermosetting plastics (GRP, CRP) Fibre-reinforced thermosetting plastics (GRP, CRP) with a fibre content > 40 % Fibre-reinforced thermosetting plastics (GRP, CRP) with a fibre content 40 % Grey/nodular cast iron (GG/GJL, GGG/GJS) Hard non-ferrous metal Hardwood Other Other non-ferrous metals Plastics Roller-bearing and ball-bearing steels Soft non-ferrous metal Soft titanium alloys (tensile strength 500 N/mm) Soft wood Steel Steel, cast steel Steels over 700 N/mm (> 220 HB) Steels up to 1, 200 N/mm (< 38 HRC) Steels up to 700 N/mm (< 220 HB) Thermoplastics Thermosetting plastics Titanium Titanium alloys Tool steels White annealed cast iron (GTW, GJMW) Wood Zinc Applications Drilling Drive types Column drill Power drill Robot Stationary machines Tool machine