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Ingersoll Rand Par-A-Matic, Jaw-Type Tapper PN 8257-A14-2

Ingersoll Rand Par-A-Matic, Jaw-Type Tapper PN 8257-A14-2


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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.

 

SPECIFICATIONS
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)

 

Download Ingersoll rand pdf

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