Threading Thread Turning
Threading Insert Denomination System
-
16 1
E 2
R 3
200 4
ISO 5
AP220U 7
6
3- Hand of Insert
2- Insert Type E: Laydown External Thread I: Laydown Internal Thread VE: Vertical External Thread VI: Vertical Internal Thread UE: U-Type External Thread UI: U-Type Internal Thread
4- Pitch & TPI Pitch 100
5- Thread Type
1- Insert Size
55
Partial profile 55°
R：Right hand L：Left hand
1mm
60
Partial profile 60°
150
1.5mm
ISO
ISO Metric (Full Profile)
TPI 24 24 threads per inch 20 20 threads per inch
UN
American UN (Full Profile)
L (mm)
IC (mm)
W
Whitworth (Full Profile)
08
4.76
NPT NPT(National Pipe Thread) BSPT British Standard Pipe thread ACME American ACME ST ACME Stub ACME MJ MJ ISO5855 UNJ UNJ API API
11
6.35
16
9.525
22
12.7
27
15.875
6- Number of Teeth & Chip Breaker
7- Insert Grades AP220E Economical, Combining pressing and grinding
P/M
“None”---- Standard TQ---- With TQ chip breaker 2M---- Two teeth per corner
AP220U All Ground, High-Precision General grade
P/M/S
AP120S All Ground, High-Temperature Alloy grade
M/S
AP020H All Ground, Hardened Steel grade
H
603
Made with FlippingBook - Online Brochure Maker