GSR Centre Drill – DIN 333 Form A, Size 10 (HSSE‑M35) GSR DIN 333 Form A centre drill, Size 10, made from HSSE‑M35 cobalt high‑speed steel. Designed for producing large, accurate 60° centre holes on heavy shafts and big workpieces. Bright‑finished, precision‑ground, and built for stability under load.
Specifications • Standard: DIN 333 Form A • Size: No. 10 • Pilot Diameter (D1): 10.0 mm • Body Diameter (D2): 25.0 mm • Overall Length (L1): 100 mm • Material: HSSE‑M35 (Cobalt HSS) • Finish: Bright ground • Point Angle: 60° • Direction: Right‑hand • Weight: ~210 g • Brand: GSR
Features • Large‑format centre drill for heavy turning and between‑centres work • High wear resistance and edge stability from M35 cobalt steel • Precision‑ground geometry for clean, accurate centre holes • Suitable for medium to high‑hardness steels and alloy materials
