HSK BALANCE-CUT BORING ARBOR （ RAC-E ）
For Steel, Stainless Steel and Cast Iron CC Insert （ Positive type ）
Rough Boring －
L
φ C 1
M
φ C
φ D
Fig.1
h
h 2
L, M
L
φ C
φ C 1
φ C 1
M
φ D
φ C
φ D
RAC-E
Fig.2
Fig.3
h 2
h
h 1
h
h 2
（ Spacer ）
P.250
Boring Range D
Boring Depth M
Spacer Code No.
Shank Code No.
Weight (kg)
Code No.
TAPER
C C 1
Fig
Tip No. Head Code No.
HSK 63A-Q12- 80 -Q12-110 -Q12- 80 -Q16- 95 -Q16-125 -Q16- 95 -Q20- 80 -Q20-110 -Q20- 80 -Q26- 95 -Q26-140 -Q26- 95 -Q34- 95 -Q34-110 -Q34- 95 -Q42- 95
HSK 63A-RAC25-135E -165E -180E -RAC32-150E
67 105 112 77 110 122 97 130 157 135 180 195 180 195 240 195
1.7 1.8 1.8 2.1 2.3 2.3 2.4 2.6 2.9 2.2 3.0 3.0 4.5 4.9 5.9 6.5
1
25 ～ 32
CC07-C
12-RAC 25- 55E
24
15
SP12-12-45̶
2
1
32 ～ 45
CC08-C
16-RAC 32- 55E
-180E -195E -RAC43-150E -180E -210E -RAC53-165E -210E -225E -RAC70-180E -195E -240E -RAC100-195E
30
19
SP16-16-45̶
2
1
HSK63A
43 ～ 55
20-RAC 43- 70E
40
SP20-20-60̶
2
50
1
53 ～ 70
26-RAC 53- 70E
53
CC12-C̶
SP26-26-60̶
2
70 ～ 100
34-RAC 70- 85E
64
52.4
3
SP34-34-60̶
100 ～ 130
42-RAC100-100E
83
★ “ C ” grade （ Coated ） inserts are supplied as standard with the head.
P.250 Please refer
P.106 for cutting condition.
★ Please refer P.67 for head. ★ For centre through coolant type, please add “ -C ” at the end of Code No. e.g. HSK63A-RAC53-165E-C ★ For HSK40A or 50A , modular connection system is applied. Please refer P.267 for Base Holder. ★ When L length is required longer than standard, please specify the boring depth M. ★ Lubrication Pipe is optional. Please refer P.298 P.267 for base holder, P.90 for spacer and
L
M
High Pressure Coolant Through Tool
★ Code No. of RAC25 and RAC32 are changed to RAC25E and RAC32E. e.g. HSK63A-RAC25-135 → HSK63A-RAC25-135E 12-RAC25- 55 → 12-RAC25- 55E
249
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