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Home / Products / Bolts and Nuts / ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory
Quality ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength factory

ASTM A320 L7 Low Temperature Alloy Steel Bolts with Thread Tolerance 0.02 and 800 MPa Tensile Strength

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ASTM A193 B16 Stud Bolts

Chrome-Moly-Vanadium Hex Head Bolts

Grade 8.8 Level Alloy Steel Bolts
Product Summary
ASTM A320 L7 Low Temperature Alloy Steel Bolts Weight per piece varies by size. ASTM A320 L7 low temperature alloy steel bolts providing thread tolerance 002 for structural integrity. Product Overview Our BOLTS and Nuts product line is engineered to meet the highest standards of quality, strength, ...

Product Details

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ASTM A320 L7 Low Temperature Alloy Steel Bolts

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Thread Tolerance 0.02 Bolts

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800 MPa Tensile Strength Fasteners
Productname: BOLTS And Nuts
Weightperpiece: Varies By Size
Thread Type: Fine Thread
Service: OEM ODM
Headtype: Hex Head
Thread Tolerance: 0.02
Quality Control: 100% Inspected
High Strength: σb/MPa≥: 410
Product Description
ASTM A320 L7 Low Temperature Alloy Steel Bolts
Weight per piece varies by size. ASTM A320 L7 low temperature alloy steel bolts providing thread tolerance 002 for structural integrity.
Product Overview
Our BOLTS and Nuts product line is engineered to meet the highest standards of quality, strength, and reliability for industrial and construction applications. Manufactured with precision and strict quality control, these fasteners deliver exceptional performance under demanding conditions.
The bolts feature a tensile strength of 800 MPa, ensuring they can withstand significant mechanical stress and load without failure. The fine thread type provides enhanced grip and resistance to loosening under vibration, allowing for precise adjustments and secure fastening.
Key Features
  • Product Name: BOLTS and Nuts
  • Material: ASTM A307 Grade B carbon steel bolts
  • Nut Type: ASTM A194 2H heavy hex nuts
  • Standard: EN 15048-1 non-preloaded structural bolting assemblies 8.8
  • High Strength: σb/MPa ≥ 410
  • Size Options: OD 70mm, 80mm, 100mm
  • Weight per Piece: Varies by Size
  • Tolerance: As Per Customer's Requirement
  • Service: OEM and ODM available
Technical Specifications
Parameter Specification
Product Name BOLTS And Nuts
Weight per Piece Varies By Size
Size OD70 80 100mm
Head Type Hex Head
Nut Type Hex Nut
Thread Type Fine Thread
Tensile Strength 800 MPa
Quality Level 12.9, 10.9, 8.8, 6.8, 4.8 Grade
Dimensions Drawing
Quality Control 100% Inspected
Standards ASTM A193 B8M Class 2 stainless steel stud bolts (SS316), EN 15048-1 non-preloaded structural bolting assemblies 8.8, ISO 898-1 class 8.8 high tensile bolts and nuts
Applications
Our BOLTS and Nuts are designed for demanding applications across various industries including automotive, machinery, structural engineering, and infrastructure projects. The Grade 12.9 material with 800 MPa tensile strength makes them suitable for high-stress mechanical assemblies where safety and structural integrity are paramount.
For environments requiring corrosion resistance, ASTM F593 stainless steel bolts with F594 nuts provide excellent protection. ASTM A320 L7M low temperature bolting ensures reliable performance in cold climates and cryogenic environments, making them ideal for oil and gas, chemical plants, and power generation facilities.
Customization Options
We offer comprehensive customization services tailored to your specific requirements. Our fasteners feature fine thread type and durable hex head design for precise fitting and high torque application. Manufactured to DIN 912 socket head cap screws class 12.9 standards, we provide options with grade 12.9 material (σb ≥ 410 MPa), ASTM A320 L7 low temperature alloy steel bolts, and ASTM F593 stainless steel bolts with F594 nuts.
Weight varies by size, allowing selection of appropriate fasteners to match your project needs while ensuring optimal performance and compliance with industry standards.
Support & Services
Our technical support team is available to assist with product selection, compatibility, and troubleshooting. We provide guidance on torque specifications, material compatibility, and environmental considerations. Services include custom sizing, threading options, bulk order processing, and rigorous quality assurance testing.
Regular inspection and maintenance are recommended to prevent loosening, corrosion, and wear. Use appropriate lubricants and tightening tools as specified to maintain assembly integrity. Replacement parts and accessories are available through our product catalog and support team.

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