X-Treme shank
NCAT/HSK X-Treme Chuck(INCH)
Explanation of the Code No.
L
ℓ 2
HSK100A C1 1/4EX 120 J
J: J-Type (Jet Groove)
Nominal Gauge Length
photo shows HSK shank
Chucking Capacity X-Treme Chuck
φ C 1 φ D
C
Symbol of Milling Chuck
Shank No.
Centre Through MAX. 7MPa
PAT.
＊ The inch series is a USA specification and is a semi-standard product.
End mill with oil hole
Weight (kg)
Handle (Option)
ℓ 2
Code No.
TAPER
C 1
L
（ φ D - L ）
Stopper ＊
Face cap ＊
9MC 1/2HEX- 6L 9MC 5/8HEX-6.5L 9MC 3/4HEX- 7L 9MC 25HEX-6.2L 9MC1 1/4HEX- 7L 9MC1 1/2HEX- 9L 9MC 1/2HEX- 6L 9MC 5/8HEX-6.5L 9MC 3/4HEX- 7L 9MC 25HEX-6.2L 9MC1 1/4HEX- 7L 9MC1 1/2HEX- 9L
9C 1/2SL-FS-EX-A1 9C 16SL-FS-EX-A1 9C 3/4-FS-EX-A1 9C 1SL-FS-EX-A1 9C1 1/4SL-FS-EX-A1 9C1 1/2SL-FS-EX-A1 9C 1/2SL-FS-EX-A1 9C 16SL-FS-EX-A1 9C 3/4-FS-EX-A1 9C 1SL-FS-EX-A1 9C1 1/4SL-FS-EX-A1 9C1 1/2SL-FS-EX-A1
GH16 GH20 GH25 GH25 GH32 9HC42 GH16 GH20 GH25 GH25 GH32 9HC42
NCAT50-C 1/2EX- 96U -C 5/8EX-106U -C 3/4EX-106U -C1 EX-111U -C1 1/4EX-116U -C1 1/2EX-126U HSK100A-C 1/2EX- 96 -C 5/8EX-106 -C 3/4EX-116 -C1 EX-116 -C1 1/4EX-121 -C1 1/2EX-136
40 48 55 55 68 86 40 48 55 55 68 86
96 106 106
58 68 71
4.0 4.4 5.0 4.8 5.3 6.6 2.7 3.0 3.6 3.5 4.0 5.7
NCAT50
111.3 116.3 126
77.3 83.3 86
96 106 116
58 68 71
HSK100A
116.3 121.3 136
77.3 83.3 86
Please use direct chucking without KM collet. ★ MAX. 7MPa of centre through coolant is available with the stopper. ★ Please use J -type X-Treme chuck, when end mill without oil hole is used. eg) N BT50-C32EX-121-J In case of J -type X-Treme chuck, J -type stopper and J -type face cap (with Jet grooves) are attached. 9MC32HEX-7L-J, 9C32L-FS-EX-J J -type X-Treme chuck is used for the pocket milling and side milling. ★ Extended length X-Treme chuck is also available. N BT50-C20EX-135, NBT50-C25EX-135, NBT50-C32EX-135
GH Handle P.299
Selection of the accessories
Please select the proper stopper and the face cap according to your application. （ end mill with/without coolant hole ） The stopper and the face cap for the end mill with oil hole are attached as standard accessory. Caution : No matter whether using internal coolant through or not,the stopper must be needed when gripping the end mill （ If the stopper is not used it is not possible to demonstrate the maximum capacity of X-Treme CHUCK ）
■ Code No.
End mill with oil hole
End mill without oil hole
Support bolt
Drive bolt
Stopper
9C12SL-FS-EX-A 9C16SL-FS-EX-A 9C20 -FS-EX-A 9C25SL-FS-EX-A 9C32SL-FS-EX-A 9C42SL-FS-EX-A Face cap
Stopper
9C12SL-FS-EX-J 9C16SL-FS-EX-J 9C20 -FS-EX-J 9C25SL-FS-EX-J 9C32SL-FS-EX-J 9C42SL-FS-EX-J Face cap
M10 × 16L-EX M12 × 16L-EX M12 × 20L-EX M16 × 20L-EX
C12EX C16EX ＊ C20EX C25EX C32EX C42EX
9MC12HEX- 6L ( 8.5L ) ＊ 1 9MC16HEX-6.5L ( 9.5L ) ＊ 1 9MC20HEX-12L ( 13.5L ) ＊ 1 9MC25HEX-6.2L ( 8.7L ) ＊ 1 9MC32HEX-7L ( 10L ) ＊ 1 9MC42HEX-9L ( 11.5L ) ＊ 1
9MC12HEX-6L ( 8.5L ) ＊ 1 -J 9MC16HEX-6.5L ( 9.5L ) ＊ 1 -J 9MC20HEX-12L ( 13.5L ) ＊ 1 -J 9MC25HEX-6.2L ( 8.7L ) ＊ 1 -J 9MC32HEX-7L ( 10L ) ＊ 1 -J 9MC42HEX-9L ( 11.5L ) ＊ 1 -J
－ FSMB12-20 FSMB16-20-H8
O-ring Please insert the stoper which small hole diameter is located at the end mill side. （ C42EX : Same hole diameters ）
Cross groove Please insert the stoper which cross groove is located at the end mill side.
★＊ Stopper for NBT40-C20EX, C8-C20EX, HSK63A-C20EX is 9MC20HEX-7L (with O-ring) or 9MC20HEX-7L-J. ★＊ 1 The length in ( ) is used for Code No. of extended stopper. eg. 9MC32HEX-10L If can be used,when the cutting length of end mill become shorter after re-grinding.
How to exchange the face caps
The face cap is fixed with 3 pieces of M2.5 screws. （ C42EX : M3 ） The face cap must be centerlized, when exchanged. The special centering jig fixture and wrench are provided as an option.
wrench
screw
Wrench
C12EX, C16EX, C20EX C25EX, C32EX C42EX
CME-1.3 T-8
CBSS2.5-6 M2577 SHIM-M3
Fig.1 Fig.2
Fig.2
Fig.1
■ Code No. Handle for Notched nut 12EX- ○○○ -A 16EX- ○○○ -A 20EX- ○○○ -A 25EX- ○○○ -A 32EX- ○○○ -A 42EX- ○○○ Chuck with notched nut 9HC16 9HC22 9HC25 9HC25 9HC32 9HC42 Handle
★ As a special specification,there is also an X-treme chuck that supports nuts with notches. ★ For nut with notches, add “ -A ” at the end EX. ） NBT50-C25EX-116-J-A
With notched nut X-Treme Chuck
208
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