3/8° diameter by 1/2" deep hole Drill hots on the underside of the counterpoint, approximately 1427 from edge of the sink fo be instilled, Holes should be evenly spaced approximately 47 1687 apart standing from every comer as shown Below, Counter top f Anchor a Bracket e’ | Rastafarian Option 1. Insert anchors under the countering on the drilled holes, so thy dre ready To fasten e sink flange, Anchors should be inserted-with o hammer unfit flush. Option 2.