Cut-Off - SumiGrip Jr. STFH Type
Cut-off (Steel Holder/Tool Block Type)
Cut-off
● Insert Mounting Method
Cut-off STFH
Fig 1
Mount the insert by lightly knocking it in with a wooden or plastic hammer.
Insert
CW B
LF
Hammer
(Check that the insert cannot be pulled out by hand.) There is no need to force the insert back end against the holder.
LF2
Note that driving in the insert too far may cause damage to the insert or holder.
F
150°
Holder
Parts
Dimensions (mm)
Overall Length
Cutting Edge Height
Reference Length
Width of Cut
Wrench
Height Width
Max. Cut-Off Diameter
Applicable Tool Block
Cat. No.
Applicable Insert
Fig
H BLFHF LF2 CW
● ●
WCF ○ 2 □ WCF ○ 3 □ WCF ○ 4 □ WCF ○ 5 □ WCF ○ 2 □ WCF ○ 3 □ WCF ○ 4 □ WCF ○ 5 □
STFH26-2 STFH26-3 STFH26-4 STFH26-5 STFH32-2 STFH32-3 STFH32-4 STFH32-5
26 1.6 109 21.4 108 26 2.4 109 21.4 108 26 3.4 109 21.4 108 26 4.3 109 21.4 108 32 1.6 149 25.0 148 32 2.4 149 25.0 148 32 3.4 149 25.0 148 32 4.3 149 25.0 148
2.0 40 3.0 70 4.0 70 5.0 70 2.0 40 3.0 100 4.0 100 5.0 100
1 1 1 1 1 1 1 1
SBN 20-26 SBU 20-26
SL-4
● ●
SBN 20-32 SBN 25-32 SBU 20-32 SBU 25-32
SL-4
*The shape of STFH32-2 is slightly different from the above figure. Refer to F51 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 Type (Integrated)
Parts
Tool Lock SBU Type (Split Type)
Parts
Dimensions ( mm )
Dimensions (inch/ mm )
Double Screw
Clamp Wedge
Cap Screw
Cutting Edge Height
Mounting Length
Mounting position
Overall Length
Cutting Edge Height
Mounting Length
Mounting position
Overall Length
Clamp
Wrench
Wrench
Height
Height
Cat. No.
Stock
Fig
Cat. No.
Stock
Fig
BCS15
Ha Hb Hc H L
Ha Hb Hc H L
BCS20 BCS25
Tool Block Type Selection Guide 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 SBN063-26 ● .625 .625 .500 1.719 3.000 1
SBU075-26 ● .750 .750 .4375 1.781 3.156 1 BCS15 SBU075-32 ● .750 .750 .531 2.000 4.000 1 BCS20 SBU100-32 ● 1.000 1.000 .344 2.000 4.344 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
BWS30 WB8-20 LH040
BX0622 LH050
SBN Type
Ex.: SBN20-32
General-purpose Lathe, etc.
Turret Type Toolpost, etc.
SBN Type
SBU Type
SBU Type
Toolpost
Toolpost
· Applicable to toolpost
shown on the
right.
SBU Type
Ex.: SBU20-32
Tool Block
Tool Block
Spacer
Wedge
· Applicable to toolpost or shown on the right. · Large clamp ensures a wide clamp area that enables long holder overhang.
(Clamp from above)
(Clamp from the side)
F52
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