Faithfull HSS Jobber Drill Bit Metric 4mm

About this tool

The Faithfull 4.0mm HSS Jobber Drill Bit is a popular general-purpose size ideal for pilot holes for larger screws, dowel work, and everyday drilling tasks. This diameter is essential in any toolkit, perfect for general woodworking, furniture assembly, and light engineering applications. The 4.0mm size provides excellent versatility, being large enough for substantial work yet precise enough for accurate placement. Constructed from high-speed steel and conforming to DIN 338 standards, this drill bit delivers consistent performance across a wide range of materials. The straight shank ensures secure chuck grip in both hand and power drills, providing reliable operation across varied applications. Suitable for drilling wood and metal, the bit performs best when cutting lubricant is applied to metallic surfaces to reduce friction and extend bit life. Features and Benefits: • 4.0mm diameter for general-purpose drilling • High-speed steel construction for extended durability • DIN 338 standard for quality assurance • Effective in both wood and metal applications • Straight shank fits standard drill chucks • Supplied in packs of 10 Specifications: Tip Diameter (mm): 4.0 Working Length (mm): 42 Overall Length (mm): 75 Pack Qty.: 1

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