Page 20 - HOLE MAKING CATALOG p185-310

DEEP DRILLING - BTA SYSTEMNPMT W1 RE W1
IC9025Internal and Central Inserts forS
IC908Drilling Heads DSD-EF-FB /INSLRE
IC520DDD-EF-FBNPMT...LINSL
IC806
Dimensions NPMT...R

Tough 1 Hard

Designation W1 INSL S RE

NPMT 050304R-G-I 5.50 8.00 3.00 0.40 • • •
NPMT 060404R-G-I 6.50 10.00 4.00 0.40 • • • •
4.00 0.40 • • • •
NPMT 080404R-G-I 8.00 10.00 4.00 0.40 • • • •
NPMT 090404R-G-I 9.50 10.00 4.00 0.40 • • • •
3.00 0.40 • •
NPMT 120404R-G-I 12.50 10.00 4.00 0.40 • •
NPMT 050304R-HF-I 5.50 8.00 4.00 0.40 • •
4.00 0.40 • •
NPMT 060404R-HF-I 6.50 10.00 4.00 0.40 • •
NPMT 080404R-HF-I 8.00 10.00 3.00 0.80 • • •
NPMT 090404R-HF-I 9.50 10.00 4.00 0.80 • • • •
NPMT 120404R-HF-I 12.50 10.00 4.00 0.80 • • • •
NPMT 050308L-G-C 5.50 8.00 4.00 0.80 • • • •
NPMT 060408L-G-C 6.50 10.00 4.00 0.80 • • • •
NPMT 080408L-G-C 8.00 10.00 3.00 0.80 • •
4.00 0.80 • •
NPMT 090408L-G-C 9.50 10.00 4.00 0.80 • •
NPMT 120408L-G-C 12.50 10.00 4.00 0.80 • •
4.00 0.80 • •
NPMT 050308L-HF-C 5.50 8.00 Chipbreaker comparison
NPMT 060408L-HF-C 6.50 10.00 HF - Provides drilling stability
at high feed rates
NPMT 080408L-HF-C 8.00 10.00
9.50 10.00 G chipbreaker
NPMT 090408L-HF-C 12.50 10.00
NPMT 120408L-HF-C HF chipbreaker

For tools, see pages: DDD-EF-FB (202) • DSD-EF-FB (201) • DSD-IF-FB (201) Chipbreaker cross-section

P IC908 NPMT & NPHT IC806 Chipbreaker type:
M lll IC520 mm
K m lll GN-oGteenefroalr mounting a drill head
N mm m mm HPFle–aHsigehbfeeedsure to use a wrench for a drill head to be
S lll m mm clamped firmly.
H lll lll
m lll
••• First priority mm
mm

Insert Size Corner Radius Size

NP#T ## ## ## #-##-# IC###

Insert type: Thickness L - Left Insert position: Grade
M – pressed (central & intermediate) R – Right P - peripheral
H – grounded (peripheral) I - Intermediate
C - center

204 ISCAR