This standard specifies the terms and definitions, classification and labeling, requirements, test methods, inspection rules, marking, packaging, transportation and storage of cut (expanded) bottom mechanical anchors and back cut (expanded) bottom drill bits used in construction projects. This standard is applicable to mechanical anchor bolts for rear anchor connections using concrete as the base material in construction projects and special base expansion drill bits made of alloy steel. Those using other materials as the base material can be used as a reference.
JG/T 367-2012 Referenced Document
GB 175 General Purpose Portland Cement*, 2023-11-27 Update
GB/T 13912-2002 Metallic coatings--Hot dip galvanized coatings on fabricated iron and steel articles--Specifications and test methods
GB/T 14684 Sand for construction*, 2022-04-15 Update
GB/T 193-2003 General purpose metric screw threads--General plan
GB/T 196-2003 General purpose metric screw threads--Basic dimensions
GB/T 197-2003 General purpose metric screw threads--Tolerances
GB/T 228-2002 Metallic materials--Tensile testing at ambient temperature
GB/T 3098.1-2000 Mechanical properties of fasteners Bolts, screws and studs
GB/T 3098.15-2000 Mechanical properties of fasteners Nuts made of stainless-steel
GB/T 3098.2-2000 Mechanical properties of fasteners--Nuts Coarse thread
GB/T 3098.6-2000 Mechanical properties of fasteners-Bolts,screws and studs made of stainless-steel
GB/T 4956-2003 Non-magnetic coatings on magnetic substrates--Measurement of coating thickness-Magnetic method