GOST 21028-1975
Jigs for machining holes of moulding boxes and pattern plates. Specifications

Standard No.

GOST 21028-1975

Release Date

1975

Published By

RU-GOST R

Latest

GOST 21028-1975

Scope

This standard applies to jigs for machining holes in foundry flasks and pattern plates used in

GOST 21028-1975 Referenced Document

• GOST 103-1976 Hot-rolled steel strip. Dimensions*， 1976-01-01 Update
• GOST 1412-1985 Flake graphite iron for casting. Grades*， 1985-04-19 Update
• GOST 1583-1993 Aluminium casting alloys. Specifications*， 1993-04-19 Update
• GOST 166-1989 Vernier callipers. Specifications*， 1989-04-19 Update
• GOST 2590-1988 Round steel bars. Dimensions*， 1988-04-19 Update
• GOST 3242-1979 Welded joints. Quality control methods*， 1979-04-19 Update
• GOST 427-1975 Measuring metal rules. Basic parameters and dimensions. Specifications
• GOST 5264-1980 Manual arc welding. Welding joints. Main types, design elements and dimensions*， 1980-04-19 Update
• GOST 5378-1988 Vernier protractors. Specifications*， 1988-04-19 Update
• GOST 577-1968 Clock-type dial indicators graduated in unit divisions of 0,01 mm. Specifications
• GOST 8026-1992 Levelling rules. Specifications*， 1992-04-19 Update
• GOST 8240-1989 Hot-rolled steel channels. Rolling products*， 1989-04-19 Update
• GOST 8509-1993 Hot-rolled steel equal-leg angles. Dimensions*， 1993-04-19 Update
• GOST 8510-1986 Hot-rolled steel unequal-leg angles. Dimensions*， 1986-04-19 Update
• GOST 9.014-1978 Unified system of corrosion and ageing protection. Temporary corrosion protection of products. General requirements*， 1978-04-19 Update
• GOST 9.032-1974 Unified system corrosion and ageing protection. Coatings of lacguers and paints. Classification and designations
• GOST 9.306-1985 Unified system of corrosion and ageing protection. Metallic and non-metallic inorganic coatings. Symbols*， 1985-04-19 Update

GOST 21028-1975 history

• 1975 GOST 21028-1975 Jigs for machining holes of moulding boxes and pattern plates. Specifications