IS 6175 : Part 3 : 1992 Screwing Taps - Part 3 Hand and Short Machine Screwing Taps for ISO Metric Screw Threads Sizes M3 to M68 with Coarse Pitches and M3 to M100 with Fine Pitches - Specification

1 Scope

This standard covers the dimensions and requirements for handscrewing taps and short machine screwing taps for ISO metric screwthreads in the size range M3 to M68 with coarse and M3 to M 100with fine pitches, conforming to IS 4218 (Parts 1 to 6) : 1976 andwith a relived shank.

IS4218ISO metric screw threads:

Part 1 :1976 Basic and design profiles

Part 2 :1976 Diameter pitch combinations

Part 3 :1976 Basic dimensions for design profiles

Part 4 :1976 Tolerancing system

Part 5 :1979 Tolerances

Part 6 :1978 Limits of sizes for commercial bolts andnuts (diameterrange 1 to 52 mm)

2 References

IS 6171 :1991Screwing taps - Technical supply conditions

IS 6173 : Part 1 :1991 Screwing taps - Dimensions and tolerancesonthreaded portion of screwing taps:Part 1 For ISO metric screw threads