Description: 6pcs Hex Shank Spade Bit Flat Boring Bit Wood Drill Bits Set 10-25mm   Specification:  Material: High Speed Steel Cut Hole Size (Dia) :10mm、12mm、13mm、16mm、18mm、25mm Shank Size: 1\/4" (6.35mm) Hex Shank Total Length: 15cm (L)、allow 1-3mm measurement error. USES: mainly used in trepanning Quantity: 6pcs \/ Set   Features: Durable and excellent workmanship. Three pointed ends enable edge positioning more accurate、enhance work efficiency. Easy to use、fit for various drills(bench drill、 DC\/AC electric hand drill). Ideal for Wooden planks、Fiberboard、Particle board、Plywood、Plastic、Alumiumn Board 、etc. Suitable for DIY、 Home and General Building\/Engineering Using. 6 specifications(10 mm、 12 mm、 16 mm、 18 mm、 20 mm、 25 mm) meet your working demands.   Package Included: 6pcs x  Hex Shank Spade Bit   More Details: