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Collet Chuck CPC-42A5

Available on back-order

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SKU: CPC42A5 Category: Tag:


CPC Power Collet Chuck Features

The CPC Power Collet Chuck is the most popular model for CNC Lathepower workholding solution. The CPC Power Collet Chuck works withDIN6343 or C-44 type spring collets. Besieds O.D. chucking, CPC Collet Chuck (CPC-44) can be converted into I.D. expanding chuck by installing a push nut and a expanding mandrel.

Precision dead-length collet chuck: 0.025mm repeatability.
Large clamping force.
Work with DIN6343 collets: 163E(B30), 173E(B42), 185E(B60), 193E(B80).
Work with C-44 collet or C-44I expanding kit..
High speed up to 8000RPM (CPC-30).
Large through hole up to 80mm (CPC-80).
I.D. chucking possible by installing an expanding mandrel and a push nut. (CPC-44)

Expanding Kit for CPC-44

The CPC-44 Collet Chuck can also be converted to an I.D. expanding chuck by installing a pushing nut and an expanding mandrel. The conversion is very easy. Please inform JATO the dimension of the mandrel, or send us the drawing of your work-part. The mandrel will be quick shipped in 10 days.


Dimensions / Spec. (CPC-30/CPC-42/CPC-44) A2 Spindle Nose


(Expanding Possible)
(Expanding Possible)
Spindle Nose A2-4
(Direct Mount)
(Direct Mount)
(Direct Mount)
(Direct Mount)
(Direct Mount)
Expanding No No No Yes Yes
Figure No. Fig. 1 Fig. 1 Fig. 3 Fig. 1 Fig. 3
A 110mm (4.33″) 135mm (5.31″) 155mm (6.10″) 135mm (5.31″) 155mm (6.10″)
A2 N/A N/A 170mm (6.69″) N/A 170mm (6.69″)
B 82.6mm (3.25″) 104.8mm (4.13″) 133.4mm (5.25″) 104.8mm (4.13″) 133.4mm (5.25″)
C 63.5mm (2.50″) 82.6mm (3.25″) 106.4mm (4.19″) 82.6mm (3.25″) 106.4mm (4.19″)
D M50xP1.5 M66xP1.5 M66xP1.5 M66xP1.5 M66xP1.5
L 110mm (4.33″) 130mm (5.08″) 126mm (4.96″) 130mm (5.08″) 126mm (4.96″)
M 85mm (3.35″) 104mm (4.09″) 104mm (4.09″) 104mm (4.09″) 104mm (4.09″)
N 25mm (0.98″) 27mm (1.06″) 23mm (0.91″) 27mm (1.06″) 23mm (0.91″)
N2 N/A N/A 10mm (0.39″) N/A 10mm (0.39″)
J 3H-M10 4H-M10 4H-M12 4H-M10 4H-M12
Working Collet DIN6343 163E
DIN6343 173E
DIN6343 173E
C-44 Collet
C-44I Kit
C-44 Collet
C-44I Kit
Axial Stroke 4.5mm (0.18″) 6.0mm (0.24″) 6.0mm (0.24″) 6.0mm (0.24″) 6.0mm (0.24″)
Max. Capacity 30mm (1.18″) 42mm (1.65″) 42mm (1.65″) 44mm (1.73″) 44mm (1.73″)
Max. Allowable Pull Force 1800kgf (3960kgf) 2400kgf (5280lbf) 2400kgf (5280lbf) 2400kgf (5280lbf) 2400kgf (5280lbf)
Max. Clamping Force 3150kgf (6930kgf) 4200kgf (9240lbf) 4200kgf (9240lbf) 3360kgf (7392lbf) 3360kgf (7392lbf)
Max. RPM 7000 6000 6000 6000 6000
Net Weight 4.0kgs (8.8lbs) 7.0kgs (15.4lbs) 8.2kgs (18.0lbs) 7.0kgs (15.4lbs) 8.2kgs (18.0lbs)