1 - Insert size
06- IC 5/32"
08- IC 3/16"
11- IC 1/4"
16- IC 3/8"
22- IC 1/2"
27- IC 5/8"
2 - Insert style

Lay down V       Edge on


3 - Type of insert  

E-External

N-Internal
4 - RH/LH insert

R-Right hand insert

L-Left hand insert    
5 - Pitch 
Full Profile - Pitch Range
mm TPI
0.5 - 6 48 - 4
Partial Profile - Pitch Range   
mm TPI
A     0.5 - 1.5
AG  0.5 - 3.0
G    1.75- 3.0
N     3.5 - 5.0
Q     5.5 - 6.0
U     5.5 - 9.0
48-16
48-8
14-8
7-5
4.5-4
4.5-2.75
6 - Standard
60 - Partial Profile 60°
55 - Partial Profile 55°
ISO - ISO Metric
UN - American UN
W - Whitworth for BSW, BSP
NPT- NPT
NPTF - NPTF
BSPT - British Standard Pipe Thread
API - API
TR - Trapez DIN 103
ACME - American ACME
STACME - Stub ACME
API RD - API Round Casing & Tubing   
SAGE - Metric Buttress DIN 503
ABUT - American Buttress
RD - Round DIN405
7 - No. of Teeth  

      - 1 teeth

2M - 2 tooth

3M - 3 tooth
8 - Grade
Grade     Coating    Application
ZM20A TiN For steel,carbon steel, alloy steel   
ZM25A TiN For stainless steel
GY23 TiALN For steel, carbon steel, alloy steel
GY81 TiALN For stainless steel