DescriptionShort, stable twist drill manufactured to DIN 1897 (Type N). Designed for assembly and production work in thin-walled materials such as sheet steels, flat and profile steel used in bodyshell and structural assemblies. Suitable for hand-held drilling machines, automatic machines and turret lathes. Coated with TiN on a HSS substrate for improved heat resistance in intermittent drilling operations.
Technical data- Tip grinding: Shape N — helical point, normally ground
- Type: N
- Tolerance: h8
- DIN: 1897
- Material: HSS
- Coating: TiN
- Cutting direction: right cutting
- Shaft: cylindrical
- Drilling depth: 3 x diameter
- Point angle: 118°
- Spiral angle: 25° - 30°
- Groove profile: normal
- Core: normal
Applications- Main application: Steel up to 900 N/mm²
- Main application: Brass
- Main application: Plastics
Other applications- Steel up to 1,100 N/mm²
- Stainless steel
- Bronze
Commercial dataCustoms tariff number: 82075060
GTIN (example product variant): 4007140334497
Variants (example references and dimensions)- Article no. 202020T — Diam. 2.0 mm — Length 38.0 mm — Spiral length 12.0 mm — Net weight 1 g — Drilling depth 3 x diameter
- Article no. 202025T — Diam. 2.5 mm — Length 43.0 mm — Spiral length 14.0 mm — Net weight 1 g — Drilling depth 3 x diameter
- Article no. 202030T — Diam. 3.0 mm — Length 46.0 mm — Spiral length 16.0 mm — Net weight 2 g — Drilling depth 3 x diameter
- Further diameters/lengths available up to 13.0 mm depending on variant
Characteristics / technical specifications- Standard: DIN 1897
- Type / form: N (short, stable)
- Material: High Speed Steel (HSS)
- Coating: Titanium Nitride (TiN)
- Tip grinding: Shape N — helical point, normal ground
- Tolerance class: h8
- Cutting direction: right cutting
- Shaft form: cylindrical
- Point angle: 118°
- Spiral angle: 25° - 30°
- Recommended drilling depth: 3 x diameter
- Groove profile and core: normal