Page 932 - Tungaloy Catalog

CAT • • Diameter Adjust

BORE CAT-EM

1 L 2

d D

G
J L1

1 CAT Form A/B AT3 Taper 58-60 HRC N5
2 BORE ISO 9766

BORE CAT-EM Adjustable Drilling Diameter Holder (Unit: inch)

Cat. No. d D L L1 J G
TUNGBORE CAT40 EM3/4 0.75 2.835 5.337 2.795 M10 5/8-11
TUNGBORE CAT40 EM3/4 0.75 2.835 5.337 2.795 M10 5/8-11
TUNGBORE CAT40 EM1 1 2.835 5.337 2.795 M10 5/8-11
TUNGBORE CAT40 EM1 1 2.835 5.337 2.795 M10 5/8-11
TUNGBORE CAT40 EM1-1/4 1.25 2.835 5.337 2.795 M10 5/8-11
TUNGBORE CAT40 EM1-1/4 1.25 2.835 5.337 2.795 M10 5/8-11
TUNGBORE CAT40 EM1-1/2 1.5 2.835 5.337 2.795 M10 5/8-11
TUNGBORE CAT40 EM1-1/2 1.5 2.835 5.337 2.795 M10 5/8-11
5.179
2.835
0.75
2.795
1-8
Tooling Systems TUNGBORE CAT50 EM1 1 2.835 5.179 2.795 M10 1-8
TUNGBORE CAT50 EM3/4
M10
M10
TUNGBORE CAT50 EM1
1-8
1
2.795
5.179
2.835
M10
5.179
2.795
1.25
1-8
TUNGBORE CAT50 EM1-1/4
2.835
M10
1-8
M10
2.795
1.25
TUNGBORE CAT50 EM1-1/4
2.835
5.179
TUNGBORE CAT50 EM1-1/2
1-8
1.5
5.179
2.835
2.795
TUNGBORE CAT50 EM1-1/2
Add B for coolant through the flange. 1.5 2.835 5.179 2.795 M10 1-8
12
Max: .051”
Min : .012”
The bore's section is actually
made from two shifted circular
sections. The clamping screw
pushes the drill shank through
a narrowed opening, forcing
elastic deformation of the
holder. Contact is made around
more than 180°, providing a
high clamping force.
note: Size table is inch.
12–24