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{"title":"ASTM A193 B7 Hex Bolts with 800 MPa Tensile Strength and Grade 12.9 Heavy Hex","imgUrl":"https:\/\/img.chinax.com\/nimg\/ee\/45\/43a9a496002d3d22c8abd610507f-200x200-1\/astm_a193_b7_hex_bolts_with_800_mpa_tensile_strength_and_grade_12_9_heavy_hex.jpg","attrs":{"Quality Level":"12.9, 10.9, 8.8, 6.8, 4.8 Grade","Tolerance":"As Per Customer's Requirement","Tensilestrength":"800 MPa","Weightperpiece":"Varies By Size"}}
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{"title":"ASTM A193 B7 Alloy Steel Stud Bolts with 26mm Inner Diameter and Hex Head for","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/71\/cf08ccccc05b205d5cec517cd70d-200x200-1\/astm_a193_b7_alloy_steel_stud_bolts_with_26mm_inner_diameter_and_hex_head_for_heavy_duty_fastening.jpg","attrs":{"Certifiion":"ISO","Product Grade":"A Grade","Quality Control":"100% Inspected","Nuts Per Bolt":"3"}}
{"title":"Metric Bolts and Nuts ASTM A193 B7M NACE MR0175 Hex Head Fasteners for Sour Gas","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/e3\/78b927afcc5032392ee3d82ce2f2-200x200-1\/metric_bolts_and_nuts_astm_a193_b7m_nace_mr0175_hex_head_fasteners_for_sour_gas_service.jpg","attrs":{"Material Grade":"45 Steel","Size":"OD70 80 100mm","Dimensions":"Drawing","Drive Type":"Socket"}}
{"title":"Electroplating ASTM A193 B7M Corrosion Resistant Hex Head Bolts with Outer","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/68\/07588b725580e9bc3b7091790e9f-200x200-1\/electroplating_astm_a193_b7m_corrosion_resistant_hex_head_bolts_with_outer_diameter_40mm_for_sour_gas_service.jpg","attrs":{"Sizes":"M20,M24, M27,M30,M36,M42,M45","Processing Type":"Forging","Dimensions":"Customer Required","Cross Section Shape":"Custom-Shaped"}}
{"title":"ISO 898-1 Compliant Bolts and Nuts Grade 10.9 and 12.9 for Mechanical Assembly","imgUrl":"https:\/\/img.chinax.com\/nimg\/1c\/1c\/85bb83d0e01e420df9a3a894809e-200x200-1\/iso_898_1_compliant_bolts_and_nuts_grade_10_9_and_12_9_for_mechanical_assembly_industrial_fasteners.jpg","attrs":{"Standard":"ANSI","Standards Compliance":"ISO 898-1","Package":"Wooden","Specification":"M48 X 600"}}
{"title":"Hex Head Bolts and Nuts 100 Pieces Corrosion Resistant Fasteners with 45 Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/8b\/9b\/c0fcf3082a8053a6ed61cf12b8ca-200x200-1\/hex_head_bolts_and_nuts_100_pieces_corrosion_resistant_fasteners_with_45_steel_material.jpg","attrs":{"Headtype":"Hex Head","Head Type":"Hexagon Flange","One Bolt Unit":"Bolt + Nut + Washer + Sealing Ring","Productname":"BOLTS And Nuts"}}
Drawing A193 B7 Hex Bolts with A194 2H Heavy Hex Nuts
Precision-engineered fasteners manufactured to customer tolerance requirements, specifically designed for pressure vessel and pipeline assembly projects.
Product Overview
Our BOLTS and Nuts product line represents versatile, essential components engineered to meet diverse industrial and construction requirements. Manufactured with precision and adherence to stringent quality standards, these fasteners ensure durability, reliability, and high performance across various applications.
Featuring hex nut and hex head designs for optimal installation ease and secure fastening capabilities, the hexagonal shape provides superior tool grip for both manual and automated assembly processes while facilitating even pressure distribution during tightening.
Key Features
Product Name: BOLTS and Nuts
Tensile Strength: 800 MPa
Head Type: Hex Head
Service: OEM ODM
Quality Control: 100% Inspected
Thread Type: Fine Thread
Manufactured with ASTM A354 Grade BD alloy steel bolts for high strength
Includes ASTM A194 2HM nuts suitable for hydrogen service applications
Compliant with EN 14399-1 HV 10.9 preloaded structural bolting assemblies standards
Technical Specifications
Parameter
Specification
Quality Level
12.9, 10.9, 8.8, 6.8, 4.8 Grade
Nut Type
Hex Nut
Size
OD70, 80, 100mm
Thread Type
Fine Thread
Grade
12.9
Head Type
Hex Head
Weight per Piece
Varies By Size
Dimensions
Drawing
Thread Tolerance
0.02
Quality Control
100% Inspected
Material Standards & Applications
ASTM A307 Grade B: Carbon steel bolts with excellent tensile strength and toughness for construction and structural applications.
ASTM A193 B16: Chrome-moly-vanadium stud bolts engineered for extreme conditions in power plants, refineries, and heavy-duty industrial settings.
ASTM A320 L7M: Low temperature bolting impact tested for cryogenic applications, cold storage facilities, and severe temperature fluctuations.
Industry Applications
Our BOLTS and nuts are essential components across multiple industries including automotive manufacturing, heavy machinery, aerospace, oil and gas, and infrastructure projects. The diverse quality grade selection (12.9, 10.9, 8.8, 6.8, 4.8) ensures appropriate strength and durability for specific applications.
Specialized applications include ISO 898-1 class 10.9 alloy steel bolts with grade 10 nuts for high-load automotive and mechanical joints, ASTM A193 B7 alloy steel stud bolts for pressure vessels and pipeline flanges, and duplex stainless steel bolts and nuts S31803 for corrosive environments in marine engineering, chemical plants, and offshore platforms.
Customization Services
We provide comprehensive OEM and ODM services for Hex Head bolts and Hex Nuts manufactured to precise dimensional drawings. All products undergo 100% inspection to ensure highest quality standards. Custom material options include:
ASTM A320 B8 Class 1 stainless steel bolts (low temperature)
ASTM A490 high strength structural bolts
ASTM A325 Type 1 structural bolts with heavy hex nuts
Tolerance specifications are accommodated according to customer requirements to guarantee perfect fit and performance.
Technical Support & Services
Our comprehensive technical support includes detailed product specifications, installation guidance, maintenance tips, and troubleshooting assistance. We provide customized solutions for specialized applications and material selection advice based on environmental conditions and load requirements.
Additional services include comprehensive documentation (safety data sheets, compliance certifications, testing reports), training sessions, and technical workshops to keep your team informed about best practices and advancements in fastening technology.
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
