STUB ARBOR
Taper contact area of more than 80% ensures reliable milling with no chattering accompanied.
30
L
G
H 1
W
φC
φD
H 2 (3,5,7,8,10,12)
SCA
Inch Series
Code No.(φD-L) Metric Series
( ) figures for Metric Series
TAPER
Weight (kg)
Code No.(φD-L)
H 1 17 23 29 32 17 23 29 32 41 17 23 29 32 41 46
C
W G
BT30-SCA12.7 -60 -SCA15.875-60 -SCA22.225-60 -SCA25.4 -60 BT40-SCA12.7 -75,105 -SCA15.875-75,105 -SCA22.225-75,120 -SCA25.4 -75,120 -SCA31.75 -90 BT50-SCA12.7 -75,105 -SCA15.875-90,120 -SCA22.225-90,135 -SCA25.4 -90,135 -SCA31.75 -90,135 -SCA38.1 -90,135 (IT40) (IT50)
BT30-SCA13-60 -SCA16-60 -SCA22-60 -SCA27-60 BT40-SCA13-75,105
1.0 1.1 1.2 1.3
M12 M14 M20 M24 M12 M14 M20 M24 M30 M12 M14 M20 M24 M30 M36
20 26 34 40 20 26 34 40 46 20 26 34 40 46 55
3.18 ( 4 ) 3.18 ( 6 ) 6.35 ( 7 )̶ 3.18 ( 4 ) 3.18 ( 6 ) 6.35 ( 7 ) 7.92 ( 8 )̶ 3.18 ( 4 ) 3.18 ( 6 ) 6.35 ( 7 ) 7.92 ( 8 ) 9.52 (10)
No.30
1.2 , 1.3 1.4 , 1.5 1.7 , 2.0 2.0 , 2.4 2.6 4.0 , 4.3 4.2 , 4.4 4.4 , 4.7 4.5 , 4.9 4.7 , 5.2 4.9 , 5.9̶
-SCA16-75,105 -SCA22-75,120 -SCA27-75,120 -SCA32-90
(IT40)
No.40
BT50-SCA13-75,105 -SCA16-90,120 -SCA22-90,135 -SCA27-90,135 -SCA32-90,135 -SCA40-90,135 (IT50)
No.50
★ JIS B4206, JIS B4107, JIS B4219, JIS B4109 cutters can be attached. ★ Key and Collars (H 2 =3, 5, 7, 8, 10, 12) are supplied as standard. ★ The Code No. of Nut is unified from “GN” to “GNT” .
Inch Series
Metric Series
Collar Nut Arbor Collar Nut
Arbor
GNT 1 ／ 2 GNT 5 ／ 8 GNT 7 ／ 8 GNT1 GNT1 1 ／ 4 GNT1 1 ／ 2
G 1 ／ 2 G 5 ／ 8 G 7 ／ 8 G1
GNT 1 ／ 2 GNT 5 ／ 8 GNT 7 ／ 8 GNT1 GNT1 1 ／ 4 GNT1 1 ／ 2
SCA12.7
G13 G16 G22 G27 G32 G40
SCA13 16 22 27 32 40
15.875 22.225 25.4 31.75 38.1
G1 1 ／ 4 G1 1 ／ 2
★ Please add the H 2 thickness at the end of Code No. for the collar. e.g. G1-8.
Straight Shank STUB ARBOR
For Multi-Lock Milling Chuck
L
30
K-SCA
G
H 1
φC
W
φD
Bolt Tightening Stub Arbor
K-SCA
K-SCC
H 2 (3,5,7,8,10,12)
K-SCC
Weight (kg)
42 32 Style
30
10
C
W G
K No. φD -L K32-SCA25.4-30 K42-SCA25.4-30 -SCC25.4-30 -SCC25.4-30
H 1
G
M24 M12 M24 M12
1.2 1.2 1.3 1.3
32
40
6.35
Bolt Code No. SM12
φ C
Thinner Bolt Head type is also available.
118
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