HSS Straight Shank TiN Tipped Jobber Drill Sets. 19 & 25 Piece Metric Sets 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. 19 Piece Metric Set Contents: 1-10.00mm x 0.5mm 25 Piece Metric Set Contents: 1-13.00mm x 0.5mm