Laydown Threading

Insert Identifi cation System

3ERAISO

3ERAISO
InsertInsert TypeHandThreadThreadNumber of Teeth
Sizeof InsertPitchProfi le
ERSingle tooth profi le —
External threadRight-handNo symbol
thread
ILMulti-tooth profi le —
Internal threadLeft-handNumber of teeth

thread (cutting edge and symbol) Multi-tooth profi le with two teeth — 2M

d

L1

Partial profi le inserts

symbolmm
A0,5–1,5
AG0,5–3,0
G1,7–3,0
N3,5–5,0
Q5,5–6,0

Full profi le inserts

55Partial Profi le 55°
60Partial Profi le 60°
ISOISO Metric 60°
TRISO Metric 60°
UNISO Inch/American UN 60°
WWhitworth 55°
NPTAmerican National Pipe Thread 60°
RDRound
PGSteel Conduit
APIRDAPI Round
symboldL1symbolmm
20.25011Actual
0,5–0,4
TPI
30.37516
40.50022
50.62527