IS 2670 : 1991 Thread Milling Cutter Shell Type - Specification

UDC 621.914.2 : 621.992.4 PGD 32
Reaffirmed 2018

1 Scope

This standard covers dimensions requirements for ground threadmilling cutter (shell type) with cylindrical recess for milling ISOmetric screw threads having a pitch 0.5 to 3 mm and conforming toIS 4218 : Part 2 : 1976 ISO metric screw threads: Part 2 Diameterpitch combinations (first revision)`.

2 References

IS 1830 : 1982Technical supply conditions for milling cutters

IS4218ISO metric screw threads:

Part 1 :1976 Part 1 Basic and design profiles

Part 2 :1976 Part 2 Diameter pitch combinations

Part 3 :1976 Part 3 Basic dimensions for designprofiles

Part 4 :1976 Part 4 Tolerancing system

Part 5 :1976 Part 5 Tolerances

Part 6 :1976 Part 6 Limits of sizes for commercialbolts and nuts(diameter range 1 to 52 mm)

IS 7778 : 1975Methods for sampling small tools