
THREADING
INSL
S
API BUTTRESS
THREADING FLDC-B-I BW
Double-Ended, Precision,
Flat Top Threading Inserts
Right-hand shown
NUT
3° 10° Dimensions
90° IPF
SCREW
IC908
Designation TPI(1) IPF BW PDX S INSL
FLDC-3-5B1I 5.0 1 6.35 10.22 8.74 22.60 •
FLDC-4-5B1I 5.0 1 6.48 16.05 11.51 28.45 •
FLDC-3-5B75I 5.0 3/4 6.35 10.22 8.74 22.60 •
FLDC-4-5B75I 5.0 3/4 6.48 16.05 11.51 28.45 •
(1) Threads per inch
Extreme Line Casing
PDX
ER-EL
External EL - Extreme Line PDY
Oil Thread Profile Laydown INSL
Threading Inserts
IC
External right-hand shown
NUT
6° 6° Dimensions Tough 1 Hard
TAPER- IPF
90° SCREW
IC250
IC908
Designation IC TPI(1) INSL IPF PDY PDX Size(2)
22ER 6 EL 1.5 12.70 6.0 22.00 1.5 1.9 1.9 5" - 7-5/8" • •
22ER 5 EL 1.25 12.70 5.0 22.00 1.25 2.1 2.0 8-5/8" - 10-3/4" •
• For Insert Identification System, see pages 638-639 • ANSI B1.9.1973 Class 2
(1) Threads per inch
(2) Connection no. or size
For tools, see pages: C#-SER/L (701) • SER-D (702) • SER/L (700)
PDX
IR-EL
Internal EL - Extreme Line PDY
Oil Thread Profile Laydown INSL
Threading Inserts
IC
Internal left-hand shown
NUT
6° 6° Dimensions
TAPER- IPF
90°
SCREW
IC908
Designation IC TPI(1) INSL IPF PDY PDX Size(2)
22IR 6 EL 1.5 12.70 6.0 22.00 1.5 1.9 1.9 5" - 7-5/8" •
• For Insert Identification System, see pages 638-639 • ANSI B1.9.1973 Class 2
(1) Threads per inch
(2) Connection no. or size
For tools, see pages: AVC-D-SIR/L (707) • SIR/L (703)
693