Page 217 - Parlec Catalog

Modular Shanks

NMTB Shanks, Straight Shanks & Heavy Metal Extensions 215

P
Max. Boring Depth
Taper Size
D

B
L Connection Size
40 TAPER C

Part Number Connection Size B C D L P* Weight lbs (kg)
N40-PC4-3 PC4 1.54 1.93 3.20 1.35 3.78 2.1 (.95)
N40-PC6-4 PC6 2.52 2.17 4.14 1.34 4.97 6.4 (2.9)
50 TAPER

Part Number Connection Size B C D L P* Weight lbs. kg)
N50-PC4-6 PC4 1.54 5.24 6.30 4.45 7.09 7.6 (3.5)
N50-PC6-4 PC6 2.52 1.93 3.94 1.15 4.72 6.4 (2.9)
N50-PC6-12 PC6 2.52 10.59 12.60 9.81 13.38 17.8 (8.1)
N50-PC7-6 PC7 3.54 2.48 5.87 1.26 7.09 8.1 (3.7)

P
Max. Boring Depth
D

A

B

Connection Size
L
STRAIGHT SHANKS 4.00 C

Part Number Connection Size A B C D L P* Weight lbs. (kg)
S12-PC4-3 PC4 1.25 1.54 2.00 3.75 1.90 3.85 2.0 (.9)
S12-PC6-4 PC6 1.25 2.52 2.00 4.70 1.90 4.80 3.1 (1.4)
Maximum bore depth “D” may be increased by using extension adapters. *Compute “P” dimensions by adding “C” dimensions of all components used.
**For Weldon flats, add “W” after SXX, i.e., S12W-PC4-3. Other shank configurations available on request.

Heavy Metal Extension Hardened Connection
Connection Size

B

C

HEAVY METAL EXTENSIONS
Part Number Connection Size B C Weight lbs. (kg)
PC2-094HM11 PC2 .937 11.42 3.9 (1.8)
PC3-125HM14 PC3 1.250 13.78 9.0 (4.0)
PC4-150HM15 PC4 1.500 14.75 13.0 (5.9)
*Not recommended for use on lathes with twin bore units. Consult Parlec’s Applications department.
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