Faithfull HSS Jobber Drill Bit Metric 4.2mm

About this tool

The Faithfull 4.2mm HSS Jobber Drill Bit provides a specialist diameter between standard sizes, offering precision for specific applications where exact dimensions are critical. This particular size is valuable in engineering work, creating clearance holes for M4 fixings, and situations requiring precise tolerances. The 4.2mm diameter is also useful in metalworking and when incrementally enlarging existing holes for improved fit. Manufactured from high-speed steel to meet DIN 338 standards, this drill bit ensures dependable performance across various materials. The straight shank design provides secure fitting in conventional drill chucks for both hand and power tools. Suitable for drilling wood and metal, the bit benefits from cutting lubricant application on metallic surfaces to enhance cutting action and prolong operational longevity. Features and Benefits: • 4.2mm diameter for specialist precision drilling • High-speed steel construction ensures longevity • DIN 338 standard manufacture • Versatile wood and metal drilling capability • Straight shank for universal chuck compatibility • Supplied in packs of 10 Specifications: Tip Diameter (mm): 4.2 Working Length (mm): 43 Overall Length (mm): 78 Pack Qty.: 1

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.