Vermont American 21671 Size 1/4 x 18 NPT Tap 7/16-inch Drill Bit Combo

Century Drill and Tool 93201 1/8-27 NPT, 21/64" Tap & Drill Combo

IRWIN Tools T-Handle 1/4-Inch Capacity Tap Wrench (12001)

Milton (S-684-4) 1/4" MNPT Male Tank Valve

NEW STAINLESS STEEL LIQUID FILLED PRESSURE GAUGE WOG WATER OIL GAS 0 to 100 PSI LOWER MOUNT 0-100 PSI 1/4" NPT 2.5" FACE DIAL FOR COMPRESSOR HYDRAULIC AIR TANK

Anderson Metals 57001-0404 Brass Hose Fitting, Adapter, 1/4" Barb x 1/4" NPT Male Pipe

ABN Metric and SAE Standard Tap and Die 60-Piece Rethread Set Rethreading Kit for Cutting External and Internal Threads

Vermont American 20799 1/4-Inch 18 NPT High Carbon Steel Pipe Hex Die

Drill America 1/8" Carbon Steel NPT Pipe Tap and R High Speed Steel Drill Bit Set, POU Series

Winters PEM Series Steel Dual Scale Economical All Purpose Pressure Gauge with Brass Internals, 0-100 psi/kpa, 2" Dial Display, +/-3-2-3% Accuracy, 1/4" NPT Bottom Mount

Anderson Metals Brass Hose Fitting, Tee, 3/8" x 3/8" x 3/8" Barb