Made in Sheffield - Not a poor low budget drill 1HSS Jobber Drill Bits DIN338 & BS328 Our drill bits come in a range of sizes. Cobalt offers the most superior drilling performance, followed by titanium, ground and lastly HSS. HSSRolled | Straight shank | Split point | 118 degrees Ideal for drilling mild steel GroundFully ground | Straight shank | Split point | 135 degrees Ideal for drilling mild to medium steel TitaniumFully ground | Straight shank | Split point | 135 degrees Ideal for drilling mild to medium steel, improved performance over ground drill bits CobaltFully ground | Straight shank | Split point | 135 degrees | 5% Cobalt Ideal for drilling hardened steel.