Solid Carbide Drill, 8xD, 7.8mm Dia, Internal Coolant, Universal Line

Technical information

Coating: AlTiN
Cutting diameter DC: 0.307 Inch
Cutting diameter DC: 7.8 mm
Cutting edge count ZEFP: 2 pcs.
Cutting material: LA40
Feed direction: Z
Flute length LCF: 2.992 Inch
Flute length LCF: 76 mm
Helix angles: 30
Internal coolant: yes
Overall length OAL: 4.488 Inch
Overall length OAL: 114 mm
Point angle SIG: 140 °
Regulatory: Company standard
Shank diameter DCON: 0.315 Inch
Shank diameter DCON: 8 mm
Shank type: HA (DIN6535)
Tolerance for shank diameter TCDCON: h6
Usable length LU: 2.598 Inch
Usable length LU: 66 mm
Packaging unit: 1 piece

Cutting Data Calculator

The use of optimum cutting data is a key success factor for productive milling and drilling processes. Our cutting data calculator has an intuitive user interface, enabling you to quickly and easily calculate the machining parameters you need for your application and the material you are working on.

Unit of measurement

Machining

Material

Radial depth of cut (a_e)

Axial depth of cut (a_p)

Results

Description

The solid carbide drills are designed for universal use on a variety of materials.

Drill for universal use on a variety of materials.

Smooth cylindrical shank (HA) in accordance with DIN 6535.

With internal coolant supply.

Special features

Universal use on the most common materials.
Double margin flute for increased stability and high-quality bores.
Optimised surface finishing for high performance.
State-of-the-art coatings.
Internal coolant supply for increased tool life and controlled chip removal.

Recommendations for use

Observe the recommended cutting data.
Ensure stable workpiece and tool clamping to achieve best performance.

Materials that can be worked: Aluminum; Annealed cast iron; Black annealed cast iron (GTS, GJMB); Brass; Bronze; Case-hardened steels; Cast iron; Cast steel; Cobalt-based alloys; Copper; Ductile cast iron; Ferrite (magnetic material); Grey/nodular cast iron (GG/GJL, GGG/GJS); Hard aluminium alloys; Hardened, heat-treated steels over 370 HV (38 HRC); Hard non-ferrous metal; High-temperature-resistant materials; Nickel-based alloys (e.g. Inconell and Hastelloy); Nickel or titanium-based superalloys; Other non-ferrous metals; Roller-bearing and ball-bearing steels; Soft aluminium alloys; Soft non-ferrous metal; Soft titanium alloys (tensile strength 500 N/mm²); Stainless steel (INOX); Steel; Steel, cast steel; Steels over 220 HV (> 95 HB); Steels up to 220 HV (< 95 HB); Steels up to 370 HV (< 38 HRC); Titanium; Titanium alloys; Tool steels; Tough aluminium alloys; White annealed cast iron (GTW, GJMW); Zinc