技术要求 | 1 | 螺栓应符合本标准的要求，并按经规定程序批准的图样及技术文件制造。 |
2 | 螺栓性能等级的标记制度按：3098.1的规定。 | |
3 | 螺栓材料：中碳钢或低碳合金钢。 化学成分和热处理要求按：GB 3098.1的规定。 | |
4 | 螺纹基本尺寸按：GB 196的规定。 螺纹公差按：GB 197的规定，螺纹直径公差为：8g。 螺纹表面粗糙度Ra的最大允许值为：12.5μm。 螺纹表面不允许有裂纹、毛刺、断扣。 | |
5 | 螺杆表面不得有褶皱、裂纹、过烧等质量缺陷。 | |
6 | 螺栓应进行表面钝化处理。 | |
7 | 螺栓公差按：GB 3103.1的规定。 产品等级为：A级（d≤M16），B级（d＞M16） | |
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试验方法 | 1 | 螺栓机械性能试验包括：拉力试验、硬度试验、保证载荷、脱碳。 （为简化程序，可采用最低硬度试验代替拉力试验，如有争议，拉力试验作为仲裁方法；脱碳试验只在用户有要求时做，一般不做。） |
2 | 螺栓的机械性能试验方法按：GB 3098.1中的8.8级B类项目规定的试验方法进行。 | |
验收检查及包装 | 1 | 产品应由制造厂的技术检查部门进行检验，制造厂应保证每批出厂产品符合本标准要求，并附有产品质量合格证。 |
2 | 产品验收检查、标志和包装应符合：GB 90的规定。 |
Specifications of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures
Self-tappingscrew connections - Specification ofthepilotholediameterand tighteningtorque
Composite sealing gasket material
Steel wire ropes for general purposes
Specifications for spring washers - Conical spring washers
Specifications for retaining rings-Circlips
Hot formed helical compression springs - Technical Requirement
High-strength structural bolting assemblies for preloading - Part 1: General requirements
Cold coiled helical springs technical specifications - Part 1: Extension spring
Cold coiled helical springs technical specifications - Part 2: Compressions spring
Specification For Wire Thread Inserts
General specifications for packing of mechanical and electrical product
Fasteners - General requirements for bolts,screws,studs and nuts
24° Cone Connectors - Specification
Flared couplings - Specification
Specification of metallic ring-joint gaskets for steel pipe flanges
Specifications of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures
Specification of gauges for general purpose screw threads
Fasteners - Marking and packaging
Plain Washers for Bolts, Screws and Nuts - General Plan
Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements
Fasteners-Surface discontinuities - Nuts
Fasteners - Surface discontinuities - Bolts, screws and studs for special requirements
Technical requirements for anchors
Specifications For Drive Rivets
Technical requirement for sets of torshear type high strength bolt hexagon nut and plain washer for steel structures
Specifications for parts and units of jigs and fixtures
Grease nipples and lubricating cups technical specification
Oil level indicators technical specification
Counterbores for hexagon socket head and slotted cheese head screws
Procurement Specification For Self-Locking Nuts
Specification for tab washer
Specifications for pins
Spcifications for ring - Cutting rings
Technical requirements of malleable cast iron pipe fittings
Fasteners - Part 27: Steel screws, bolts and studs made of steel with pre-adhesive coating - Technical specifications
metal washers; technical delivery conditions
Steel flat products; Hot rolled plate 3 to 150 mm thick; Permissible deviations of dimension, weight and form
Flat products of steel; cold rolled steel strip; dimensions, tolerances on dimensions and form.
Commercial vehicles - Wheel-hub attachment dimensions
Tools for pressing - Elastomer pressure springs - Part 2: Specification of accessories
Hydraulic fluid power - Two-, three- and four-port screw-in cartridge valves - Cavities
Cold heading dies for fasteners - Specifications
Specification of Stamping Die Components
Specifications for parts and units of jigs and fixtures
Internal combustion engines - Cylinder head and flywheel nuts - Specifications
Timber structures - Dowel-type fasteners - Requirements
Aerospace series - Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) - Classification: 1275 MPa (at ambient temperature)/650 °C - Technical specification
High-strength structural bolting assemblies for preloading - Part 1: General requirements
Flanges and their joints - Bolting - Part 3: Classification of bolt materials for steel flanges, class designated
Metallic products - Types of inspection documents
Flanges and their joints - bolting - Part 2: Classification of bolt materials for steel flanges, PN designated
Flanges and their joints - bolting - Part 1: Selection of bolting
Aerospace series - Inserts, screw thread, helical coil, self locking - Technical specification
Aerospace series - Inserts, screw thread, helical coil, self-locking - Assembly procedure
Specification for Selection of Steel Pipe Flanges , Gaskets and Bolting (PN designated)
Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries
Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
Mechanical fixation component for waterproofing membrane roofing
Construction machinery and equipment Specification of high strength fasteners
Fastenersart - Standard - Cap Screws, Hex Bolts, and Hex Nuts
Steel Self-Drilling Tapping Screws
Technical conditions for threaded fasteners with adhesive coating-Part 1: Microencapsulated locking coating
Technical condions for threaded fasteners with adhesive coating-Part 2: Polyamlde locking coating
Technical Supply Conditions For Threaded Steel Fasteners - Part 1 General Requirements For Bolts, Screws And Studs
General data for machine screws and tapping screws
Plain nuts and slotted nuts - Part 1: General specification
Disc springs - Calculation
