THREADING

MMT SERIES ORDER NUMBER
HOLDERS
EXTERNAL

MMT E R 08 3 SM
Designation Application Hand of Tool Tool Size (inch) Insert Size Tool Type
E External R Right (Height and Width) 3 MMT16 SM Non-offset
06 .375 12 .750 4 MMT22
08 .500 16 1.000
10 .625 20 1.250

INTERNAL

Designation Application Shank Diameter (inch) Insert Size Min. Cutting Diameter (inch) Lead Angle Coolant
I Internal 10 .625 2 MMT11 0.50 .500 1.15 1.150 1.5 1.5° C With
12 .750 3 MMT16 0.60 .600 1.20 1.200 2.5 2.5°
Hand of Tool 16 1.000 4 MMT22 0.75 .750 1.45 1.450
R Right 20 1.250 0.90 .900 1.50 1.500
24 1.500 0.95 .950 1.75 1.750


G
INSERTS
M-CLASS
THREADING


MMT 16 E R 100 ISO S S
M-class inserts with
3-D chip breakers
Designation Hand of Tool Pitch Threading Type
R Right 100 1.0 mm 0.5 ─ 1.5 mm 60 Partial Profile 60°
125 1.25 mm
A or 55 Partial Profile 55°
Diameter of Application 48 ─ 16 thread/inch
Inscribed Circle ISO ISO Metric
(mm) E External 150 1.5 mm W Whitworth for BSW, BSP
1.75 ─ 3.0 mm
11 6.35 I Internal 175 1.75 mm G or BSPT BSPT
16 9.525 14─ 8 thread/inch UN American UN
200 2.0 mm
250 2.5 mm
300 3.0 mm
G-CLASS
MMT 16 E R 050 ISO
Designation Hand of Tool Pitch Threading Type
R Right 050 0.5 mm 0.5 ─ 1.5 mm 60 Partial Profile 60°
075 0.75 mm A or 55 Partial Profile 55°
Diameter of Application 48 ─ 16 thread/inch
Inscribed Circle 100 1.0 mm ISO ISO Metric
(mm) E External 125 1.25 mm W Whitworth for BSW, BSP
1.75 ─ 3.0 mm
11 6.35 I Internal 150 1.5 mm or BSPT BSPT
G
16 9.525 175 1.75 mm 14─ 8 thread/inch UN American UN
22 12.7 200 2.0 mm RD Round DIN 405
250 2.5 mm 0.5 ─ 3.0 mm TR ISO Trapezoidal 30°
300 3.0 mm
AG or
ACME American ACME
48─8 thread/inch
350 3.5 mm UNJ UNJ
400 4.0 mm 3.5 ─ 5.0 mm APBU API Buttress Casing
450 4.5 mm N or
APRD API Round Casing&Tubing
7─ 5 thread/inch
500 5.0 mm NPT NPT
NPTF NPTF

G020