DRILL Bit Hss 4mm ALPEN ™ is a precision cutting tool designed for drilling tasks requiring a 4mm diameter bit. This high-speed steel (HSS) drill bit is suitable for creating clean, accurate holes in materials compatible with HSS tools.
This drill bit is part of the Tools category under the Brits Brothers brand. It is essential for use in workshops, maintenance, and repair tasks where a reliable, sharp bit is needed for metal, plastic, or wood drilling operations. The 4mm size is ideal for pilot holes or precision drilling that requires controlled hole dimensions.
The bit’s high-speed steel construction provides durability and heat resistance during drilling, which helps maintain cutting efficiency over time. Buyers should compare the 4mm diameter and the HSS material with their worn or broken drill bits to ensure compatibility with their drills and project needs.
- SKU: BB-328712
- 4mm diameter suitable for detailed drilling
- High-speed steel material for enhanced durability
When selecting this drill bit, verify it matches the exact diameter needed for your task. If uncertain about fitment or suitability, consider reaching out for advice or submitting a request for additional parts or alternatives.
Need help matching this item to your vehicle? Use Ingco AIR TOOL SET 5PCS, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

