
THREADING
Y
IR/L-API
Internal API - Oil Thread Profile X
Laydown Threading Inserts l
di
Internal left-hand shown
P NUT Tough 1
30° 30° Dimensions
Hard
IC50M
90° IPF
IC250
IC908
SCREW
Designation di TPI l IPF X Y Size(4)
22IR/L 5 API 403 (1) 12.70 5.0 22.00 3 1.8 2.5 2.375"-4.5"REG • • •
27IR/L 4 API 382 (2) 15.88 4.0 27.00 2 2.1 2.8 NC23-NC50 • • •
27IR 4 API 383 (2) 15.88 4.0 27.00 3 2.1 2.8 NC56-NC77 •
27IR/L 4 API 502 (3) 15.88 4.0 27.00 2 2.0 3.0 6-5/8" REG • •
27IR/L 4 API 503 (3) 15.88 4.0 27.00 3 2.0 3.0 5-1/2,7-5/8,8-5/8REG • •
• For Insert Identification System, see page 489 • 0.050, API Spec 74-1994. • For technical information and detailed cutting data, see pages 536-546
(1) V-0.040
(2) V-0.038R
(3) V-0.050
(4) Connection no. or size
For tools, see pages: SIR/L (531)
Y
ER-BUT
External BUT - Oil Thread X
Profile Laydown Threading l
Inserts for Buttress Casing di
External right-hand shown
NUT
3° 10° Dimensions Tough 1 Hard
90° IPF
IC50M
IC250
IC908
SCREW
Designation di TPI l IPF X Y Size(1)
22ER 5 BUT 0.75 12.70 5.0 22.00 0.75 2.2 2.4 4-1/2" - 13-3/8" • • •
22ER 5 BUT-1.00 12.70 5.0 22.00 1.0 2.3 2.4 16" - 20" •
• For Insert Identification System, see page 489 • ANSI B1.9.1973 Class 2 • For technical information and detailed cutting data, see pages 536-546
(1) Connection no. or size
For tools, see pages: C#-SER/L (530) • SER-D (530) • SER/L (529)
Y
IR-BUT
Internal BUT - Oil Thread X
Profile Laydown Threading l
Inserts for Buttress Casing di
Internal left-hand shown
NUT
3° 10° Dimensions Tough 1 Hard
90° IPF
IC50M
IC250
IC908
SCREW
Designation di TPI l IPF X Y Size(1)
22IR 5 BUT 0.75 12.70 5.0 22.00 0.75 2.2 2.4 4-1/2" - 13-3/8" • • •
22IR 5 BUT 1.00 12.70 5.0 22.00 1.00 2.3 2.4 16" - 20" •
• For Insert Identification System, see page 489. • ANSI B1.9.1973 Class 2. • For technical information and detailed cutting data, see pages 536-546
(1) Connection no. or size
For tools, see pages: SIR/L (531)
522 ISCAR