GB/T 196 General purpose metric screw threads - Basic dimensions
GB/T 197 General purpose screw threads - Tolerances and fits
GB/T 230 Metallic materials - Rockwell hardness test
GB 5267 Electroplated coatings on threaded fasteners
GB/T 1237 Designation system for fasteners
GB 90 Acceptance inspection, marking and packaging of fasteners
YB 27 Determination of steel grain size
3 Type, dimension and maximum lifting weight
3.1 The type shall be as specified in Figure 1.
3.2 The dimension shall be as specified in Table 1.
3.3 The maximum lifting weight shall be as specified in Table 2.
1 Subject content and applicable scope 2 Normative references 3 Type, dimension and maximum lifting weight 4 Marking 5 Technical conditions Annex A Requirements for use of eyebolts (Informative)