The twin cutting edge and integral centre point enhances speed and provides rapid chip removal when drilling various types of timber and man-made boards. Three point design for faster, cleaner holes Bright finish Compound angle, ground recessed cutting edge for superior cutting 1/4” Quick release hexagonal shank for use in both 3 jaw chucks and 1/4” quick release adaptors" Drill Dia. mm: 20.0 Total Length mm: 152 Working Length mm: N/A Shank Dia. mm: N/A Shank Type: Hex Drill Tip: Three Point Material: Carbon Steel