Cut-Off - SumiGrip Jr. STFH
Cut-off (Steel Holder/Tool Block)
Cut-off
● Insert Mounting Method
Cut-off STFH
Fig 1
Mount the insert by lightly knocking it in with a wooden or plastic hammer. (Check that the insert cannot be pulled out by hand.) There is no need to force the insert back end against the holder.
Insert
CW B
LF
Hammer
LF2
Note that driving in the insert too far may cause damage to the insert or holder.
150°
F
Holder
Parts Dimensions ( mm )
Overall Length
Cutting Edge Height
Reference Length
Width of Cut
Wrench
Height
Width
Max. Cut-Off Diameter
Applicable Tool Block
Applicable Insert WCF ○ 2 □ WCF ○ 3 □ WCF ○ 4 □ WCF ○ 5 □
Cat. No.
Fig
H
B
LF
HF
LF2
CW
STFH26-2 ● STFH26-3 ●
26 26 26 26 32 32 32 32
1.6 2.4 3.4 4.3 1.6 2.4 3.4 4.3
109 109 109 109 149 149 149 149
21.4 21.4 21.4 21.4 25.0 25.0 25.0 25.0
108 108 108 108 148 148 148 148
2.0 3.0 4.0 5.0 2.0 3.0 4.0 5.0
40 70 70 70 40
1 1 1 1 1 1 1 1
SBN 20-26 SBU 20-26
SL-4
STFH26-4 STFH26-5
WCF ○ 2 □ SBN 20-32 SBN 25-32 SBU 20-32 SBU 25-32 WCF ○ 3 □ WCF ○ 4 □ WCF ○ 5 □
STFH32-2 ● STFH32-3 ●
100 100 100
SL-4
STFH32-4 STFH32-5
*The shape of STFH32-2 is slightly different from the above figure. Refer to F61 for applicable inserts.
Fig 1
Fig 1
Ha: Cutting Edge Height
Ha: Cutting Edge Height
L
12.5 20 18
L
12.5 20 18
Fig 2
Fig 2
Tool Lock: SBN (Integrated)
Parts Dimensions (Inch/ mm )
Tool Lock: SBU (Split Type)
Parts
Dimensions (inch/ mm )
Double Screw
Clamp Wedge
Cap Screw
Cutting Edge Height
Overall Length
Cutting Edge Height
Overall Length
Mounting Length
Mounting Position
Mounting Length
Mounting Position
Clamp
Wrench
Wrench
Height
Height
Cat. No.
Fig
Cat. No.
Fig
BCS15 BCS20 BCS25
Ha Hb Hc H L SBN063-26 ● .625 .625 .500 1.719 3.000 1 SBN075-26 ● .750 .750 .375 1.719 3.156 1 SBN100-32 ● 1.000 1.000 .3125 2.000 4.500 1 SBN20-26 20 20 10.0 45 80 2 SBN20-32 20 20 13.5 50 100 1 SBN25-32 25 25 8.5 50 110 1
Ha Hb Hc H L SBU075-26 ● .750 .750 .4375 1.7813.156 1 BCS15 SBU075-32 ● .750 .750 .531 2.0004.000 1 BCS20 SBU100-32 ● 1.000 1.000 .344 2.0004.344 1 BCS25 SBU20-26 20 20 10.0 45 80 2 BCS15 SBU20-32 20 20 13.5 50 100 1 BCS20 SBU25-32 25 25 8.5 50 110 1 BCS25
BWS30WB8-20 LH040
BX0622 LH050
Tool Block Selection Guide
• USA Stocked Item
Worldwide Warehouse Item
SBN
Ex.: SBN20-32
General-purpose Lathe, etc.
Turret Toolpost, etc.
SBN
SBU
SBU
Toolpost
Toolpost
· Applicable to toolpost
shownonthe
right.
SBU
Ex.: SBU20-32
Tool Block
Tool Block
Spacer
Wedge
·Applicabletotoolpost or shownon the right. · Large clamp ensures a wide clamp area that enables long holder overhang.
(Clamp from above)
(Clamp from the side)
F62
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