Maligayang Pasko! The Christmas season is here. Christmas shopping guide
Price history: ₱550 every time we've checked since Nov 5. We'll show changes here.
Buy at ShopeePrice last checked Nov 5, 2026. It may have changed, so confirm on the store's page. We earn a commission on purchases (details).
Irwin Speedbor Countersink This tapered bit has widened flutes for drilling fast, clean pilot holes. The adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. It attaches to flats on a shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Choose from the following sizes: #4-5 Countersink - Counterbore Diameter: 3/8”, Drill Bit Size: 5/64” #6-7 Countersink - Counterbore Diameter: 3/8”, Drill Bit Size: 3/32” #10 Countersink - Counterbore Diameter: 3/8“, Drill Bit Size: 1/8"
