The irwin blue groove 6x stubby wood drill bit in 16mm diameter provides the perfect balance between hole size and compact drilling capability. This 100mm length bit is particularly useful for creating openings for standard electrical conduit, water pipes, and medium to large fixings in wooden structures. Offering six times faster drilling penetration than a standard flat bit, the 16mm variant delivers exceptional performance when working in confined spaces. The stubby design excels when drilling between joists, in corner locations, or anywhere a full-length bit would be impractical. Features and benefits: 16mm diameter ideal for electrical and plumbing installations tri-flute design enables faster chip ejection for cleaner drilling full screw tip provides ease of use with excellent pull-through precision cutting spurs produce clean holes with minimal breakout tapered flute design reduces binding during operation heat-treated for extra durability and extended service life 100mm stubby length perfect for drilling through joists or in enclosed areas suitable for holes up to 50mm 2in deep specifications: diameter mm : 16 overall length mm : 100 working length mm : 50 pack qty.: 1