Drillco Nitro Spiral Coarse Tap Plugs – Lethbridge Fasteners and Tools
14.0mm M14 x 2.00P METRIC COARSE TAP SET 3 PIECES 14MM TAPER SECOND PLUG | eBay
E500 HSS Coarse Tap Straight Flute 5mm Set of Three - Taps - E500 HSS - Taps & Dies - Engineering Tools - Hand Tools - Tools, Home Leisure, Workwear & Car Care - Marches Architectural Ironmongery
Century Drill & Tool 8-32 Carbon Steel National Coarse Tap-Plug - Power Townsend Company