Product Description
• Can be mounted directly on 3/6 slot rotary tables or on a base plate when the rotary table has 3/6 or 4/8 T-slots
• Base plates are designed for use with all rotary tables and other devices where back mounting chucks cannot be used
• These chucks can also be mounted to a rough machined backplate, but will require machining of bolt hole patterns and projections for finished assembly
Front Mounting Semi-Steel Self-Centering Scroll Chuck
Mount Plain Back
Designed for use with Rotary Tables where Back Mounting Chucks cannot be used
Semi-Steel Body
Two-piece hard reversible jaws
Scroll and jaws are hardened and ground
TECHNICAL DATA
Chuck Diameter D in 8
Hole Diameter d in 2.1654
F in 6.9291
E H7 in 6.2992
C in .1575
H in 2.953
h in 1.772
Mounting Bolts, Thread G 3/8-16 x 3.15
# of Bolts 3
Back Thread M M10
Clamping Range d1 (min-max) .157 - 3.54
Clamping Range d2 (min-max) 2.83 - 6.14
Clamping Range d3 (min-max) 5.24 - 7.87
Clamping Range d4 (min-max) 1.97 - 5.12
Clamping Range d5 (min-max) 4.13 - 7.48
Manufacturer Model Number 3275
• Base plates are designed for use with all rotary tables and other devices where back mounting chucks cannot be used
• These chucks can also be mounted to a rough machined backplate, but will require machining of bolt hole patterns and projections for finished assembly
Front Mounting Semi-Steel Self-Centering Scroll Chuck
Mount Plain Back
Designed for use with Rotary Tables where Back Mounting Chucks cannot be used
Semi-Steel Body
Two-piece hard reversible jaws
Scroll and jaws are hardened and ground
TECHNICAL DATA
Chuck Diameter D in 8
Hole Diameter d in 2.1654
F in 6.9291
E H7 in 6.2992
C in .1575
H in 2.953
h in 1.772
Mounting Bolts, Thread G 3/8-16 x 3.15
# of Bolts 3
Back Thread M M10
Clamping Range d1 (min-max) .157 - 3.54
Clamping Range d2 (min-max) 2.83 - 6.14
Clamping Range d3 (min-max) 5.24 - 7.87
Clamping Range d4 (min-max) 1.97 - 5.12
Clamping Range d5 (min-max) 4.13 - 7.48
Manufacturer Model Number 3275
