Page 672 - Master Catalog 2017, Inch

Laydown Threading
Catalog Numbering System

Laydown Threading
Insert Identifi cation System

3ERAISO

3 E R A ISO

Insert Insert Type Hand Thread Thread Number of Teeth
Size of Insert Pitch Profi le

E — R — Single tooth profi le —
External thread Right-hand No symbol
thread
I — L — Multi-tooth profi le —
Internal thread Left-hand Number of teeth
thread (cutting edge and symbol)

Multi-tooth profi le with
two teeth — 2M

55 Partial Profi le 55°

60 Partial Profi le 60°

ISO ISO Metric 60°

TR ISO Metric 60°

UN ISO Inch/American UN 60°
Partial profi le inserts
W Whitworth 55°

symbol mm NPT American National Pipe Thread 60°
A 0,5–1,5
AG 0,5–3,0 RD Round
G 1,7–3,0
N 3,5–5,0 PG Steel Conduit
Q 5,5–6,0
APIRD API Round
d
Full profi le inserts
L1

symbol d L1 symbol mm
2 0.250 11 Actual 0,5–0,4
TPI
3 0.375 16
4 0.500 22
5 0.625 27

F46 widia.com

F046 F047 Mi
i
V
WID M
i
16 T
di
Th
L WID_Master16_Turning_Threading_F046_F047_Minch_REBRAND.indd 46 h REBRAND O b 15 2015 8 35 AM 10/30/15 2:13 PM