
The Faithfull Professional 4.2mm HSS Jobber Drill Bit is a specialist size commonly used for creating clearance holes for M4 fixings, tap drill applications, and precision engineering work requiring specific dimensions. This 4.2mm diameter provides the ideal clearance for metric M4 bolts and screws. Constructed from M2 grade high-speed steel and fully ground to meet DIN 338 standards, this 4.2mm drill bit incorporates a 135° non-slip split point that ensures immediate engagement with the workpiece, preventing drill wander and delivering precise hole placement without centre punching. The robust construction handles drilling through alloy steels, carbon steels, cast iron, hardened alloy steels and stainless steels. This 4.2mm size is particularly valued by mechanical engineers, assembly te...
Faithfull9800000003443
Price: £1.95 from Tooled Up
| Stockist | Price | |
|---|---|---|
| £1.95 | Visit Store |
The Faithfull Professional 1.5mm HSS Jobber Drill Bit is a precision micro-drilling tool designed for fine metalworking applications requiring minimal material removal. This 1.5mm bit is ideal for creating pilot holes for larger drill bits, precision...
The Faithfull Professional 10.5mm HSS Jobber Drill Bit provides an intermediate size option for applications where standard 10mm holes are slightly undersized. This 10.5mm bit is particularly useful for clearance holes, reaming operations, and situations...
The Faithfull Professional 11.5mm HSS Jobber Drill Bit offers a specialist intermediate size for applications requiring precise hole dimensions between standard measurements. This 11.5mm bit is particularly useful for reaming operations, creating generous...