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3-781-1580 - 3 Jaw, 15", Lg Bore, Power Chuck, A2-8

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3 Jaw, 15", Lg Bore, Power Chuck, A2-8
Workholding/Power Lathe Chucks/Large Bore Precision Power Lathe Chucks & Accessories/3-Jaw Large Bore, A2 Mount
3 Jaw, 15", Lg Bore, Power Chuck, A2-8
Item #: 3-781-1580
3 Jaw, 15" (381 mm) Diameter, A2-8, High Speed, Hydraulic, Power, Lathe Chuck, Large Bore, 4.6456” Through Hole, Drawbar, Max Gripping Force 180(18355) N(kgf), 1.5mm x 60 Serrated Jaw Interface, 30mm to 381mm Jaw Capacity, 2,500 RPM, Steel Body. The chuck includes one Blank Draw Nut. TMX offers a Draw Nut Threading Service to machine the Blank Nut to fit your machine specifications.

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Item Number: 3-781-1580

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Dimension+Drawing Dimension Drawing
Chuck Dia in 15
Spindle Nose A2-8
Thru Hole in(mm) 4.646 (118)
Jaw Stroke in(mm) 0.417 (10.6)
Plunger Stroke in(mm) 0.906 (23)
Gripping Dia Max in(mm) 15 (381)
Gripping Dia Min in(mm) 1.181 (30)
Max Permissible Input Force lbf(kgf) 15928 (7240)
Max Speed RPM 2500
Max Gripping Force lbf(kgf) 40381 (18355)
Weight lb (kg) 279.4 (127)
Moment of Inertia lb*ft2 1.9539
A in(mm) 15 (381)
B in(mm)
C in(mm) 11.811 (300)
D in(mm) 5.501 (139.719)
E in(mm)
F in(mm) 0.236 (6)
G in(mm) 10.236 (260)
H in(mm) 9.252 (235)
J in(mm) 4.646 (118)
K in(mm) 6-M20
L in(mm) 1.102 (28)
M 1.693 (43)
N max in(mm) 3.228 (82)
N min in(mm) 3.02 (76.7)
O max in(mm) 1.724 (43.8)
O min in(mm) 0.72 (18.3)
P max in(mm) 1.299 (33)
P min in(mm) 0.394 (10)
Q in(mm) 2.441 (62)
R in(mm) 0.866 (22)
S in(mm) 1.535 (39)
T in(mm) 0.197 (5)
U max M130x2.0
V 3-M10
W in 5.472 (139)
X in 2.362 (60)
Y in 2.756 (70)
Z in 6.496 (165)
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