THREADING Partial Profle 55° (Whitworth)
RE PDX
PDX RE
ER/L-55°
External Laydown Threading PDY PDY
INSL
Inserts with a 55° Partial INSL
Profile for General Industry
IC
IC
External right-hand shown
NUT
Dimensions Tough 1 Hard
55°


IC1007
SCREW


IC50M
IC228


IC250
IC808
IC908
Designation IC TPN(2) TPX(3) TPIX(4) TPIN(5) INSL RE PDY PDX
11ER A 55 6.35 0.500 1.500 48.00 16.00 11.00 0.05 0.8 0.9 • •
16EL A 55 9.52 0.500 1.500 48.00 16.00 16.49 0.05 0.8 0.9 • •
16ER A 55 9.52 0.500 1.500 48.00 16.00 16.49 0.05 0.8 0.9 • • •
16EL AG 55 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 • •
16ER AG 55 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 • • • •
16ERB AG 55 (1) 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 •
16ERM AG 55 (1) 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 • • • • •
16EL G 55 9.52 1.750 3.000 14.00 8.00 16.49 0.20 1.2 1.7 •
16ER G 55 9.52 1.750 3.000 14.00 8.00 16.49 0.23 1.2 1.7 • •
16ERB G 55 (1) 9.52 1.750 3.000 14.00 8.00 16.49 0.23 1.2 1.7 •
16ERM G 55 (1) 9.52 1.750 3.000 14.00 8.00 16.49 0.23 1.2 1.7 • • • •
22EL N 55 12.70 3.500 5.000 7.00 5.00 22.00 0.42 1.7 2.5 •
22ER N 55 12.70 3.500 5.000 7.00 5.00 22.00 0.48 1.7 2.5 • •
22UEIRL U 55 12.70 5.500 8.000 4.50 3.25 22.00 0.60 0.9 11.0 • •
27ER Q 55 15.88 5.500 6.000 4.50 4.00 27.50 0.60 2.0 2.9 • •
27UEIRL U 55 15.88 6.500 9.000 4.00 2.75 27.50 0.81 1.2 13.7 •
• For insert identification system, see pages 638-639 • For threading between walls use GRIP-type inserts TIP-WT, GEPI-WT, TIPI-WT
• For detailed cutting data, see page 711
(1) With pressed chipformer
(2) Threads per inch maximum
(3) Threads per inch minimum
(4) Threads per inch maximum
(5) Threads per inch minimum
For tools, see pages: C#-SER/L (701) • SER-D (702) • SER/L (700)

RE PDX PDY PDX
U-Type RE
IR/L-55°
Internal Laydown Threading PDY
lNSL
Inserts with a 55° Partial lNSL
Profile for General Industry
IC
IC
Internal left-hand shown
NUT
Dimensions Tough 1 Hard
55°


SCREW
IC1007
IC50M
IC228
IC928


IC250
IC508
IC808
IC908

Designation IC TPIX(2) TPIN(3) INSL RE PDY PDX
06IL A 55 4.00 48.00 20.00 6.88 0.07 0.6 0.6 •
06IR A 55 4.00 48.00 20.00 6.88 0.08 0.6 0.6 •
08IL A 55 5.00 48.00 16.00 8.24 0.08 0.6 0.7 •
08IR A 55 5.00 48.00 16.00 8.24 0.08 0.6 0.7 • • •
08UIRL U 55 5.00 18.00 12.00 8.24 0.10 0.9 4.0 •
11IL A 55 6.35 48.00 16.00 11.00 0.05 0.8 0.9 • •
11IR A 55 6.35 48.00 16.00 11.00 0.05 0.8 0.9 • • • •
16IR A 55 9.52 48.00 16.00 16.49 0.05 0.8 0.9 • •
16IL AG 55 9.52 48.00 8.00 16.49 0.07 1.2 1.7 •
16IR AG 55 9.52 48.00 8.00 16.49 0.07 1.2 1.7 • •
16IRB AG 55 (1) 9.52 48.00 8.00 16.49 0.07 1.2 1.7 •
16IRM AG 55 (1) 9.52 48.00 8.00 16.49 0.05 1.2 1.7 • • • •
16IL G 55 9.52 14.00 8.00 16.49 0.20 1.2 1.7 •
16IR G 55 9.52 14.00 8.00 16.49 0.23 1.2 1.7 • • •
16IRB G 55 (1) 9.52 14.00 8.00 16.49 0.23 1.2 1.7 •
16IRM G 55 (1) 9.52 14.00 8.00 16.49 0.20 1.2 1.7 • • • •
22IR N 55 12.70 7.00 5.00 22.00 0.42 1.7 2.5 • • •
27IR Q 55 15.88 4.00 4.00 27.50 0.60 2.0 2.9 •
• For insert identification system, see pages 638-639 • For threading between walls use GRIP-type inserts TIP-WT, GEPI-WT, TIPI-WT.
• For detailed cutting data, see page 711
(1) With pressed chipformer
(2) Threads per inch maximum
(3) Threads per inch minimum
For tools, see pages: AVC-D-SIR/L (707) • MGSIR/L (118) • PICIN-MGSIR/L (386) • SIR/L (703)

640 ISCAR