OverviewHigh-performance roll-ground twist drill set made from high-speed steel (HSS). Fully ground geometry ensures precise concentricity. The split point (Shape N) provides good centring properties and reduces required feed pressure, making the set suitable for portable and stationary drilling units.
ContentsPackage contents: 91 pcs.
Ø 1.0 - 10.0 mm in 0.1 mm increments
Key product dataItem number: 205223
SAP item number: 1000028544
Net weight (set): 550 g
Drilling depth: 5 x diameter
Technical dataTip grinding: Shape N – helical point normal ground
Type: N
DIN: 338
Material: HSS (High Speed Steel)
Coating: black surface (oxidised)
Cutting direction: right cutting
Shaft: cylindrical shank
Point angle: 118°
Spiral angle: 25° - 30°
Groove profile: normal
Core: normal
Areas of application- Steel up to 900 N/mm²
- Aluminium
- Plastics
Other suitable materialsBusiness dataGTIN: 4007140033840
Customs tariff number: 82075060
Specifications- Standard: DIN 338
- Type designation: N (helical point normal ground)
- Material: High speed steel (HSS)
- Coating: Black surface
- Diameter range: Ø 1.0 - 10.0 mm in 0.1 mm steps
- Contents: 91 pieces
- Drilling depth: 5 x diameter
- Point angle: 118°
- Spiral angle: 25° - 30°
- Shaft: Cylindrical
- Net weight (set): 550 g