Faithfull Professional HSS Jobber Drill Bit 4mm

The Faithfull Professional 4mm HSS Jobber Drill Bit is an extremely popular general-purpose size used across numerous trades for creating pilot holes, clearance holes for small fixings, rivet holes, and general light metalworking applications. This 4mm diameter is one of the most frequently used sizes in any professional toolkit. Constructed from M2 grade high-speed steel and fully ground to meet DIN 338 standards, this 4mm drill bit incorporates a 135° non-slip split point that bites immediately on contact, preventing drill wander and ensuring precise hole placement. The premium manufacturing process ensures reliable performance when drilling through alloy steels, carbon steels, cast iron, hardened alloy steels and stainless steels. This 4mm size is indispensable for electricians, sheet metal workers, HVAC engineers, vehicle technicians, and general maintenance professionals who require a dependable, versatile drill bit for everyday metalworking tasks.