IR/L-55°
Internal 55° Partial Profile Laydown Threading Inserts, for General Industry

R
U-Type Y Y R
X X
l
l
di
di Internal left-hand shown

Dimensions Tough ¥ Hard


IC1007
IC50M
IC228
IC928


IC250
IC508
IC808
IC908
TPI TPI
Designation di Pmin Pmax max min l R X Y
06IR/L A 55 3.97 0.50 1.25 48 20 6.00 0.05 0.5 0.6 O
08IR/L A 55 4.76 0.50 1.50 48 16 8.00 0.05 0.6 0.7 O O O
08UIRL U 55 4.76 1.75 2.00 14 11 8.00 0.10 0.9 4.0 O
11IR/L A 55 6.35 0.50 1.50 48 16 11.00 0.05 0.8 0.9 O O O O
16IR A 55 9.52 0.50 1.50 48 16 16.00 0.05 0.8 0.9 O O O
16IR/L AG 55 9.52 0.50 3.00 48 8 16.00 0.05 1.2 1.7 O O O O O
16IRB AG 55 (1) 9.52 0.50 3.00 48 8 16.00 0.05 1.2 1.7 O
16IRM AG 55 (1) 9.52 0.50 3.00 48 8 16.00 0.05 1.2 1.7 O O O O O
16IR/L G 55 9.52 1.75 3.00 14 8 16.00 0.20 1.2 1.7 O O O O
16IRB G 55 (1) 9.52 1.75 3.00 14 8 16.00 0.20 1.2 1.7 O
For threading between walls use GRIP-type inserts TIP-WT, GEPI-WT, TIPI-WT
(1) With pressed chipformer .
For tools, see pages: E-SIR-HEAD (B96) • MGSIR/L (B41) • SIR/L (B95).


NUT
55°


SCREW


B98 ISCAR
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