STFH

  • How to Install the Insert

Cut-Off (Steel Holder/Tool Block Type)

Insert Please mount the insert by lightly STFH tapping it with a plastic or wooden hammer. Hammer (Please confirm that you cannot remove the insert by hand.)

Cut-off

CW LF It is not necessary to force the

B end of the insert to touch the holder. Please beware that excessively knocking in the insert can cause insert and holder breakage.

  • Parts

LF2 150° Cut-Off

  • Holders

Dimensions (mm) Cutting edge Holder Width Max. Height Width Length

Cat. No. Stocklength of cut heightcut-offApplicable insertsWrench Applicable tool blocks
HBLFHF LF2 CWdia.
STFH 26-2D261.6109 21.4 1082.0 40WCF2
STFH 26-3D262.4109 21.4 1083.0 70WCF3SBN 20-26
STFH 26-4D263.4109 21.4 1084.0 70WCF4SBU 20-26
STFH 26-5D264.3109 21.4 1085.0 70WCF5
DSL-4
STFH 32-2321.6149 25.0 1482.0 40WCF2SBN 20-32
F STFH 32-3D322.4149 25.0 1483.0100WCF3SBN 25-32
STFH 32-4D323.4149 25.0 1484.0100WCF4SBU 20-32
STFH 32-5D324.3149 25.0 1485.0100WCF5SBU 25-32

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

Cut-Off BCS15 Ha: Ha:

L Center height 12.5 20 L Center height 12.5 20

Threading 18 18 BCS20 <SBN20–26> <SBU20–26>

BCS25 Dimensions (mm) Dimensions (mm)

InstallInstallDoubleInstallInstall
CenterCenter
ationation Height Lengthationation Height LengthClamp
Cat. No.height length positionClampendedWrenchCat. No.height length positionCap screw Wrench
wedge
HaHbHcHLscrewHaHbHcHL
SBN 20-26D20 20 10.0 45 80SBU 20-26D20 20 10.0 45 80 BCS15
SBN 20-32D20 20 13.5 50 100 BWS30 WB8-20 LH040SBU 20-32D20 20 13.5 50 100 BCS20 BX0622 LH050
SBN 25-32D25 25 8.5 50 110SBU 25-32D25 25 8.5 50 110 BCS25
  • Tool Block Type Selection Guidance SBN type Example: SBN20–32

General purpose lathe, etc. Turret type tool post, etc.

SBN type SBU type SBU type

Tool post Tool post

  • This tool block can be used for the machine tool post shown on the right. SBU type Example: SBU20–32

Tool block Tool block

・ This tool block can be used for the machine toolSpacerWedge
posts and shown on the right.

The holder can have a long overhang due to the wide (overhead clamp) (side clamp)

clamping range of a larger top clamp.