THREADING 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 MMT 16 E R 100 ISO S S M-class inserts with3-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° Diameter of ApplicationInscribed Circle(mm)EExternal125 1.25 mm A or48 ─ 16 thread/inch 55 Partial Profile 55°ISOISO Metric1501.5 mm1.75 ─ 3.0 mmWWhitworth for BSW, BSP 11 6.35 I Internal 175 1.75 mm G or BSPT BSPT 16 9.525 200 2.0 mm 14─ 8 thread/inch UN American UN 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° Diameter of ApplicationInscribed Circle(mm)EExternal116.35IInternal169.5250750.75 mmAor 55 Partial Profile 55°1001.0 mm48 ─ 16 thread/inchISOISO Metric1251.25 mm1.75 ─ 3.0 mmWWhitworth for BSW, BSP1501.5 mmGor1751.75 mm14─ 8 thread/inchBSPTBSPTUNAmerican UN 22 12.7 200 2.0 mm RD Round DIN 4052502.5 mm0.5 ─ 3.0 mm3003.0 mmAGor48 ─ 8 thread/inchTRISO Trapezoidal 30°ACME American ACME 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 500 5.0 mm 7─ 5 thread/inch NPT NPT NPTF NPTF G020