
Ingersoll Rand Par-A-Matic, Jaw-Type Tapper PN 8257-A14-2
These tools are identical to the Par-A-Matic units. These are fitted with Tapping Heads. All models are completely self-contained and have an adjustable stroke length of 2.0" maximum.
Par-A-Matic® Series Jaw-Type Tapping Head No. 10 to 5/16" (M4.5 to M8) Capacity, Steel .50 HP (.37 kW)
These tools are ideal for low-cost, automated hole tapping in applications where high precision is not required. Also excellent for thread-chasing operations.
Jaw-type units are for use in thru-hole applications only.
MODEL NUMBER | 8257-A14-2 | |
---|---|---|
TOOL SERIES | Par-A-Matic | |
STROKE LENGTHS | ||
in. | 2.0 | |
mm | 51 | |
FREE SPEED rpm | 1,450 | |
NOMINAL TAP CAPACITIES | ||
Stnls. Steel Type 304 | - | |
Mild Steel | #10 (M5) | |
Aluminum/Brass | 1/4 (M6) | |
HAND TAP CAPACITY | No. 10-5/16" (M4.5-M8) |
|
AIR CONSP‡ @ Working Speed | ||
ft3/cycle | 2.3 | |
L/cycle | 65 | |
SOUND LEVEL dB(A) | 74 | |
GEAR REDUCTION | Double | |
AIR INLET | 1/4" NPT male | |
CONTROL PORTS | 1/8" NPTF female | |
SPINDLE THREAD | 1/2"-20 male | |
RECOMMENDED HOSE SIZE | 5/16" ID | |
RECOMMENDED OPERATING PRESSURE | 90 PSI (6.2 bar) |
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