Straight Shank Jobber Drill Sets 25 Piece | Bright body with TiN coating on working part. For drilling in steel, cast steel alloyed and non-alloyed, grey cast iron, graphite and malleable cast iron. Point angle: 118?, helix angle: normal, web thickness: standard, relief angle: normal, tolerance of diameter: h8, tolerance of shank: f11. Manufactured to BS 328, DIN 338. | | 25 Piece Metric Set Contents: 1-13.00mm x 0.5mm.