Page 222 - THREADING CATALOG

API RD (API ROUND) PDX
THREAD TURNING ER/L-API RD NUT INSL Dimensions T R RE IC I C External right-hand shown

PDX
PDY
PDY
RE
External API - Oil Thread Round
Standard API RD
Profile Laydown Threading Inserts
INSL
API Spec STD 5B
IC
E
M
30° 30°
Tough 1 Hard
IPF
90°
TAPER 1:16
Designation SCREW IC TPI (2) RE INSL IPF PDY PDX CICT (3) IC250 IC908
16ER 10 API RD 9.52 10.0 0.36 16.49 0.75 1.2 1.5 1 • •
16EL 8 API RD 9.52 8.0 0.43 16.49 0.75 1.4 1.6 1 •
16ER 8 API RD 9.52 8.0 0.43 16.49 0.75 1.4 1.6 1 • •
22ER 10 API RD 2M (1) 12.70 10.0 0.36 22.00 0.75 2.4 3.7 2 •
27ER 8 API RD 2M (1) 15.88 8.0 0.43 27.50 0.75 3.0 4.5 2 •
• Anvils for laydown inserts, see pages 26-35, 234-237
• For recommended number of passes see pages 81-82
• For Insert Identification system, see page 24
• API Spec 5B8-1996
• For technical information and detailed cutting data, see pages 104-105
(1) Multi-tooth
(2) Threads per inch
(3) Number of teeth per corner
Tools: C#-SER/L • SER-D • SER/L • SER/L-JHP • SER/L-JHP-MC
I N C H

Dimensions Tough 1 Hard

IC250 IC908
Designation IC TPI (2) RE INSL IPF PDY PDX CICT (3)
16ER 10 API RD .375 10.0 .0142 .649 0.75 .05 .06 1 • •
16EL 8 API RD .375 8.0 .0169 .649 0.75 .06 .06 1 •
16ER 8 API RD .375 8.0 .0169 .649 0.75 .06 .06 1 • •
22ER 10 API RD 2M (1) .500 10.0 .0142 .866 0.75 .09 .15 2 •
27ER 8 API RD 2M (1) .625 8.0 .0169 1.083 0.75 .12 .18 2 •
• Anvils for laydown inserts, see pages 26-35, 234-237
• For recommended number of passes see pages 81-82
• For Insert Identification system, see page 24
• API Spec 5B8-1996
• For technical information and detailed cutting data, see pages 104-105
(1) Multi-tooth
(2) Threads per inch
(3) Number of teeth per corner
Tools: C#-SER/L • SER-D • SER/L • SER/L-JHP • SER/L-JHP-MC

ISCAR
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