McMaster 4549K699 Standard-Wall Galvanized Steel Threaded Pipe Nipple, Threaded Both Ends, 3 NPT, 6" Long, Sch 40 J860HD 9/16 in Connection Type Hex

9/16 in Connection Type Hex Impact Rated Yes Socket Type 6 pt Std

Maximum Drilling Depth 9 in

Regal 017906AS Straight Flute Tap 3-3/4-8 UNS

replace the insert rather than the whole tool

(1) 13/16 in Deep 12-Point

McMaster 4549K699 Standard-Wall Galvanized Steel Threaded Pipe Nipple, Threaded Both Ends, 3 NPT, 6" Long, Sch 40 J860HD 9/16 in Connection Type HexMade of galvanized steel, this Schedule 40 pipe has fair corrosion resistance and is designed for low pressure applications. Welded Pipe has a weld bead on the inside. Pressure Rating Low Pressure Wall Thickness Rating Standard Shape Straight Fitting Type Pipe Threading Threaded on Both Ends Fitting Connection NPT Male Pipe Size 3" Length 6" Construction Welded Pipe Schedule 40 Material Galvanized Steel Class 150 For Fitting Pressure Class 125, 150