plug tap


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ground-key faucet

A faucet through which flow is controlled by a slightly tapered plug with a hole in it; when the faucet is on, the fluid flows through the hole; when the plug is turned through 90°, the flow is stopped.
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References in periodicals archive ?
If you want threads almost all the way to the bottom, a bottom tap would be used after a plug tap cut as many threads as it could.
I tend to select a plug tap, depending on the clearance allowance specified on the print.
The chips are forced out ahead of the tap instead of accumulating in the flutes, as they will with a plug tap.
Tenders are invited for Includes but not limited to: screwdrivers, screwdriver bits, flexible extensions, nut drivers, flashlights, torx drivers/bits, rakes, hoses, miter clamps, allen wrenches, floor brooms, tape measures, crescent wrenches, sharpening oil, floor squeegees, hydraulic bottle jacks, rubber mallets, sledge hammers, clamp-N-tools, squares, hammers, strait lines, chalk reels, vise grips, levels, slip joint pliers, nail sets, tap handles, step-ladders, couplers, punches, hacksaws, saws, files, grinding wheels, bench grinders, drill bits, rasps, chisels, plug taps, hot glue guns, power tools, blades & cutters, griprite, biscuit joiners, holesaws, etc.
Plug taps cut full threads to within three or four turns of the bottom.