GB/T 18981-2008Fastener (English PDF)

1 Scope

This standard specifies the structures and codes, requirements, test methods, inspection rules as well as marking, packing, transport and storage of fastener.

This standard is applicable to the design manufacturing and inspection of fastener.

2 Normative References

The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending error in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.

GB/T 191 Packaging-Pictorial Marking for Handling of Goods (GB/T 191-2000, eqv ISO 780: 1997)

GB/T 196-2003 General Purpose Metric Screw Threads -- Basic Dimensions (ISO 724: 1993, MOD)

GB/T 197-2003 General Purpose Metric Screw Threads -- Tolerances (ISO 965-1: 1998, MOD)

GB/T 223.3 Methods for Chemical Analysis of Iron, Steel and Alloy -- The Diantipyrylmethane Phosphomolybdate Gravimetric Method for the Determination of Phosphorus Content

GB/T 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy -- The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content

GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy -- The Sodium (Potassium) Periodate Photometric Method for the Determination of Manganese Content

GB/T 223.68 Methods for Chemical Analysis of Iron, Steel and Alloy -- The Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the Determination of Sulfur Content

GB/T 223.71 Methods for Chemical Analysis of Iron, Steel and Alloy -- The Gravimetric Method after Combustion in the Pipe Furnace for the Determination of Carbon Content

GB/T 230.1-2004 Metallic Rockwell Hardness Test -- Part 1: Test Method (Scales A, B, C, D, E, F, G, H, K, N, T) (ISO 6508-1: 1999, MOD)

GB/T 699 Quality Carbon Structural Steels

GB/T 700-2006 Carbon Structural Steels (ISO 630: 1995, NEQ)

GB/T 1800.3-1998 Limits and Fits -- Bases -- Part 3: Numerical Values Tables of Standard Tolerances and Fundamental Deviations (eqv ISO 286-1: 1988)

GB/T 1804-2000 General Tolerances -- Tolerances for Linear and Angular Dimensions without Individual Tolerance Indications (eqv ISO 2768-1: 1989)

GB/T 1958 Geometrical Product Specifications (GPS) -- Geometrical Tolerance -- Verification Prescription

GB/T 2828.1-2003 "Sampling Procedures for Inspection by Attributes – Part 1: Sampling Schemes Indexed by Acceptance Quality Limit(AQL) for Lot-by-lot Inspection (ISO 2859-1: 1999, IDT)

GB/T 3934 Specification of Gauges for General Purpose Screw Threads (GB/T 3934—2003, ISO 1502: 1996, MOD)

GB/T 18763 Powder Actuated Tool

GB 19914 Powder Load

3 Terms and Definitions

The following terms and definitions as well as those established in GB/T 18763 and GB 19914 are applicable to this standard.