System code – inserts

RT22. 01W – 3.50 GM(P) (B)
A

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Type Insert shape Insert size [mm]

CodeDescriptionCodeI.C
RRight116,35

T Z Special

LLeft169,252
2212,70
123
B

Teeth per cutting edge Application Pitch

CodeDescriptionCodeDescriptionCodePitch range (part profile)
011WExternal threadA0,5 – 1,5 mm48 – 16 (TPI)
022NInternal threadAG0,5 – 3,0 mm48 – 8 (TPI)
G1,75 – 3,0 mm14 – 8 (TPI)
N3,5 – 5,0 mm7 – 5 (TPI)

Pitch range [mm] (full profile) 0,50 0,75 1,00 1,25 1,50 C 1,75 2,00 2,50 3,00 3,50 4,00 4,50 5,00 5,50 6,00

Pitch range (TPI) (full profile) 4 5 6 8 10 11 11,5 12 14 16 18 19 20 24 27 28

456
DThread prof ile

Code Description Chip breaker

GM ISO metric coarse thread 60° 60 Partial profile 60° 8 55 Partial profile 55°

W Whitworth

UNUnified conventional threadInsert thickness [mm]
BSPTWhitworth taper pipe threadCodeDescription
NPTAmerican taper pipe threadBThin type
NPTFDryseal American taper pipe thread
9
RKnuckle thread 30°

E MJ Thread for aerospace

UNJ Unified screw thread TR Metrical ISO trapezoidal thread AC American national thread STAC STUB-ACME thread

AP API 60° thread RD API round thread BUT American buttress thread

7