IS 3868 : 2025 Feed Lifting Rock Shaft for Sewing Machines for Household Purposes - Specification
1 SCOPE
1.1 This standard specifies the requirements for two types of feed lifting rock shafts for sewing machines for household purposes.
1.2 This standard does not deal with feed lifting rock shafts for sewing machines for industrial and other special purposes.
2 REFERENCES
The standards given below contain provisions which, through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards:
| IS No. | Title |
| IS 210 : 2009 | Grey iron castings - Specification (fifth revision) |
| IS 2102 (Part 1) : 1993/ISO 2768-1 : 1989 | General tolerances: Part 1 Tolerances for linear and angular dimensions without individual tolerance indications (third revision) |
| IS 17894 : 2022/ ISO 22081 : 2021 | Geometrical product specifications (GPS) - Geometrical tolerancing - General geometrical specifications and general size specifications |