Faithfull Professional HSS Jobber Drill Bit

The Faithfull Professional 4mm HSS Jobber Drill Bit (75mm overall length) is supplied as a pack of 2, providing excellent value for this frequently used diameter. The 4mm size is commonly employed for clearance holes for M4 fixings, pilot holes for larger drilling operations, and general metalworking applications across engineering, fabrication, and construction sectors.

Crafted from premium M2 grade high-speed steel and precision ground to meet the demanding DIN 338 standard, this drill bit offers exceptional performance and longevity. The 135° non-slip split point design ensures the bit bites immediately into the material without wandering, delivering accurate hole placement and eliminating the need for preparatory centre punching.

This professional-quality drill bit is engineered to handle the toughest materials, cutting efficiently through alloy steels, carbon steels, cast iron, hardened alloy steels, and stainless steels with consistent, reliable results.

Features and Benefits:
• 4mm diameter, 75mm overall length
• Pack of 2 for convenience and value
• Ideal for M4 clearance holes and pilot drilling
• M2 grade HSS for superior wear resistance
• 135° split point ensures precise hole positioning

Specifications:
Tip Diameter (mm): 4.0
Working Length (mm): 42
Overall Length (mm): 75
Pack Qty.: 2
Diameter: 4.0mm.
Pack quantity: 2.