PFERD 20049 - HSS Twist Drill Jobber Length M35 9/64" INOX
Drill bits with cross grinding for industrial use. Fully ground, right-hand turning to produce precise drill holes due to their high concentricity and exact centering. PFERD offers spiral drills STEEL (118° point angle) and INOX (135° point angle) versions.High-performance HSSE-Co5 (M35) drill bit for industrial use on INOX and other non-ferrous metals. The fully ground right-hand turning design with cross grinding provides an exact centering drill tip and a high level of concentricity.
Advantages:
- Very good chip removal.
- High concentricity.
- Exact centering and low feed force thanks to cross grinding.
- Ideal for tough and hard materials, such as alloyed and high-strength steel, stainless steel (INOX).
- Robust tip profile.
- Very durable.
- Very good temperature resistance due to Co content.
Recommendations for Use:
- Observe the recommended rotational speed.
- When drilling metals, use a high-quality cutting oil or cooling lubricant, if possible. This facilitates smooth running and extends the drill service life. Exception: when working on aluminum, use kerosene instead of cutting oil.
- To avoid corrosion when working on stainless steel (INOX), remove any particles that break away from the workpiece. Clean the workpiece chemically or mechanically (etching/polishing, etc.).
Workpiece Materials:
| Aluminum | Fibre-reinforced thermosetting plastics (GRP, CRP) with a fibre content > 40 % | Soft wood |
| Annealed cast iron | Fibre-reinforced thermosetting plastics (GRP, CRP) with a fibre content ≤ 40 % | Stainless steel (INOX) |
| Black annealed cast iron (GTS, GJMB) | Grey/nodular cast iron (GG/GJL, GGG/GJS) | Steel |
| Brass | Hard aluminium alloys | Steel, cast steel |
| Bronze | Hard non-ferrous metal | Steels over 220 HV (> 95 HB) |
| Case-hardened steels | Hardwood | Steels up to 220 HV (< 95 HB) |
| Casting scale | High-temperature-resistant materials | Steels up to 370 HV (< 38 HRC) |
| Casting scale with sand contamination and metal contamination | Nickel-based alloys (e.g. Inconell and Hastelloy) | Thermoplastics |
| Cast iron | Nickel or titanium-based superalloys | Thermosetting plastics |
| Cast steel | Other | Titanium |
| Chipboard | Other non-ferrous metals | Titanium alloys |
| Cobalt-based alloys | Plastics | Tool steels |
| Copper | Roller-bearing and ball-bearing steels | Tough aluminium alloys |
| Ductile cast iron | Soft aluminium alloys | White annealed cast iron (GTW, GJMW) |
| Elastomers | Soft non-ferrous metal | Wood |
| Fibre-reinforced thermosetting plastics (GRP, CRP) | Soft titanium alloys (tensile strength 500 N/mm²) | Zinc |
Applications
Compatible Power Tools:
- Column drill
- Power drill
- Robot
- Stationary machines
- Tool machine
Specifications:
| Item Number | 25204043 |
| Angle | 135° |
| Dia. | 9/64 Inch |
| EDP number | 20049 |
| Flute length | 1 3/4 Inch |
| Overall length | 2 7/8 Inch |
| RPM from, grey cast iron, white cast iron | 885 RPM |
| RPM from, hard non-ferrous metals | 2212 RPM |
| RPM from, rust and acid-resistant steels | 885 RPM |
| RPM from, soft non-ferrous metals | 2654 RPM |
| RPM from, thermoplastics, fibre-reinforced plastics (GRP/CRP) | 1327 RPM |
| RPM to, grey cast iron, white cast iron | 2212 RPM |
| RPM to, hard non-ferrous metals | 4423 RPM |
| RPM to, rust and acid-resistant steels | 1769 RPM |
| RPM to, soft non-ferrous metals | 5308 RPM |
| RPM to, thermoplastics, fibre-reinforced plastics (GRP/CRP) | 3539 RPM |
| Version | INOX |
| Packaging unit | 10 pieces |
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