Best Tapped Hole Drill Chart easycarehome October 28, 2019 206 SaveSavedRemoved 0 Best results for tapped hole drill chart Tapping Drill Bit Set to Drill, Tap, Deburr, Works with Quick Connect Power Tools 8-Piece Klein Tools 32217 Century Drill & Tool 97204 High Carbon Steel National Pipe Tap, 1/2-14 NPT Tapping Drill Bit Set to Drill, Tap, Deburr, Works with Quick Connect Power Tools 8-Piece Klein Tools 32217 -40% ★★★★★ $42.45 $59.43 GO TO AMAZON Amazon.com Last update was on: November 23, 2024 9:19 am Drill, tap and deburr in one easy step For aluminum, brass, copper, plastic and mild steel Designed for use on up to 10 gauge metal 1/4-Inch hex for easier application with quick connect High speed steel for added durability back to menu ↑ Century Drill & Tool 97204 High Carbon Steel National Pipe Tap, 1/2-14 NPT -46% ★★★★★ $13.54 $19.77 GO TO AMAZON Amazon.com Last update was on: November 23, 2024 9:19 am Heat treated and tempered for file hard threads, and longer, useful life Designed for hand cutting applications Will not fit standard tap wrench sizes NPT stands for national pipe thread Use 15/16" drill bit for best results 10 Total Score Excellent Best tapped hole drill chart: Top-Rated Brands & What to Buy User Rating: 4.7 (205 votes)