Bosch 4 pcs. Spade Bit Set (for Wood, Softwood, Acoustic Panels, 16/22/25/32 mm, Length 160-165 mm, with Centring Tip, Dual Cutting Edge, Accessories for Drills) : Amazon.com.au: Home Improvement
Milwaukee 32mm Timber Spade Bit 48270132 | Milwaukee Tool Australia
32mm Flat-spade Drill Bit - Hole Cutter For Timber-wood [Misc.] : Amazon.ca: Tools & Home Improvement
Flat Woodspade Drill Bit - Fix247 Ltd Flat Spade for Drilling in Wood
BOSCH WOOD SPADE BIT SET - 7 PCS - 16-18-20-22-25-32MM (2608587009) - Twins Hardware