Built from HSS‑E (M35 cobalt) with a straight shank and a left‑hand spiral flute for right‑hand cutting
promoting smoother cutting and cleaner holes with fewer interruptions
enabling reliable dry cutting and high-speed performance for faster cycles and longer tool life
enabling higher feeding strategies without sacrificing thread accuracy or surface finish
hole diameters stay within tight ISO H5 limits
OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-4.74mm Centre Drill Built from HSS‑E (M35 cobalt)The OSG Jobber Drill HSS E is a versatile drill bit engineered for stainless steels, steels, and aluminum. Crafted from High Speed Steel E, it delivers reliable performance and long tool life for professionals, technicians, and hobbyists who demand precision and durability. This 4. 74 mm jobber drill (model EX SUS GDR 4. 74mm) features a precision cut geometry that yields clean, accurate holes with minimal wandering, even in tough metals. Use it for a