
SumiGrip Jr.
STFH Type
● How to Install the Insert
Cut-Off (Steel Holder/Tool Block Type) Insert Please mount the insert by lightly
tapping it with a plastic or
wooden hammer.
STFH Hammer (Please confirm that you cannot
remove the insert by hand.)
Cut-off CW LF
It is not necessary to force the
end of the insert to touch the
B holder.
Please beware that excessively knocking in the
insert can cause insert and holder breakage.
H
HF
LF2 ■ Parts
150°
Cut-Off
■ Holders Dimensions (mm)
Cutting edge Holder Width Max.
Height Width Length height
Cat. No. Stock length of cut cut-off Applicable inserts Applicable tool blocks Wrench
H B LF HF LF2 CW dia.
STFH 26-2 D 26 1.6 109 21.4 108 2.0 40 WC F 2
STFH 26-3 D 26 2.4 109 21.4 108 3.0 70 WC F 3 SBN 20-26
STFH 26-4 D 26 3.4 109 21.4 108 4.0 70 WC F 4 SBU 20-26
STFH 26-5 D 26 4.3 109 21.4 108 5.0 70 WC F 5
SL-4
STFH 32-2 D 32 1.6 149 25.0 148 2.0 40 WC F 2 SBN 20-32
STFH 32-3 D 32 2.4 149 25.0 148 3.0 100 WC F 3
F STFH 32-4
STFH 32-5
D
D
32
32
3.4
4.3
149
149
25.0
25.0
148
148
4.0
5.0
100
100
WC F
WC F
4
5
SBN 25-32
SBU 20-32
SBU 25-32
Cut-Off
Tools
Note: STFH32-2 has a partly different appearance. See F47 for applicable inserts.
■ Tool Block SBN Type (integral type) ■ Parts ■ Tool Block SBU Type (split type) ■ Parts
Grooving
Ha
Hb
Ha
Hb
H
H
Cut-Off BCS15
Ha: Ha:
Hc
Hc
L Center height 12.5 20 L Center height 12.5 20
Threading
18 18 BCS20