Page 6 - Parlec Catalog
P. 6
CAT and BT Taper Specifications
4 Technical Overview
CONNECTION IS EVERYTHING
No matter what the spindle application, Parlec offers simple, highly repeatable
and versatile tooling solution.
CAT V Flange Taper Specifications
Flange Thickness
Meets or exceeds ASME B5.50-2009 specifications
and all current specification updates except where
improvements are made for high speed operation. Thread Size
All Parlec CAT tooling incorporates ParSymmetry Flange Diameter
for balance and chip hole for identification.
Retention Knob
(sold separately)
CAT TAPER SPECIFICATIONS
Taper Type Gage Diameter Flange Diameter Flange Thickness Thread Size
C40 1.75 2.50 0.625 5/8" - 11”
C50 2.75 3.87 0.625 1” - 8”
C60 4.25 5.50 0.625 1 1/4” - 7”
C40F 1.75 2.50 0.711 5/8" - 11”
C50F 2.75 3.87 0.691 1” - 8”
BT Taper Specifications Flange Thickness
Meets or exceeds JIS B6339-1986 specifications. Thread Size
Taper is toleranced so that any error increases rate of Flange Diameter
taper only. Refer to Manufacturing Specifications for
tolerance specifications. Retention Knob
(sold separately)
BT TAPER SPECIFICATIONS
Taper Type Gage Diameter Flange Diameter Flange Thickness Thread Size
B30 1.25 1.81 0.787 M12 - 1.75
B40 1.75 2.48 0.984 M16 - 2.0
B50 2.75 3.94 1.378 M24 - 3.0
B30F 1.25 1.81 0.865 M12 - 1.75
B40F 1.75 2.48 1.062 M16 - 2.0
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