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38NR78 3J Collets

$115.34

Bulk orders will be discounted, please contact us.

Square 3J collets have a square-shaped opening to secure square-shank cutting tools. 3J collets have evenly spaced slots to provide a rigid and secure grip on round parts for heavy machining operations.

Product Number: 38NR78

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  • Description
Mfr Model 340-048
Manufacturer Part Number 340-048
UNSPSC 27112808
Country of Origin India (subject to change)
Overall Length 3-3/4 in
Measurement System Inch
Collet Type Standard
Collet Series 3J
Bore Shape Square
Collet Size 3/4 in
Clamping Hole Length 1-37/64 in
Outside Diameter Maximum 2.21 in
Taper Angle 14.246 °
External Thread Size 1.988-20
Internal Thread Size 1.790"-24
T I R Tolerance 0.0031 in

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