Shaanxi Flourish Industrial Co., Ltd.
                                                                                                           
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7 Years
Since 2019
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High Strength Steel Round Head Square-Neck Bolt Class 8.8-12.9 for Mechanical & Automotive Applications

Price Negotiable
Price: USD0.1-1/PC
MOQ: 1 piece
Delivery Time: 8-20days
Brand: FLRS or OEM
Product Description
Product Overview

High-strength steel round head square-neck bolts engineered for demanding applications in mechanical machinery and automotive industries. Available in carbon steel and stainless steel materials with multiple international standard certifications.

Technical Specifications
Specification Details
Standards ANSI/ASME, JIS, EN, DIN, BS, GB, SH, HG, IFI, ISO
Size Range Standard & non-standard sizes, custom options available
Materials Carbon Steel, Stainless Steel
Strength Grades SAE J429 Gr.2, 5, 8; ASTM A307 Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9
Thread Types UNC, UNF, BSW
Surface Finishes Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black, HDPE, Fluorocarbon Coating, XYLAN
Packaging Bulk in cartons on wood pallets or custom packaging solutions
Industrial Applications
  • Structural Steel Construction
  • Metal Building Systems
  • Oil & Gas Equipment
  • Tower & Pole Structures
  • Wind Energy Systems
  • Mechanical Machinery
  • Automotive Components
Manufacturing Advantages
Fast Delivery Capability

Our factory enables flexible delivery scheduling with priority handling for urgent orders.

Extended Service Life

Manufactured from premium raw materials with quality verifiable through standard testing instruments.

Secure Packaging

Rigorous packaging protocols prevent corrosion during extended shipping periods.

Technical Expertise

Professional technical support throughout pre- and post-export processes ensures optimal outcomes.

Product Images
High strength steel round head square-neck bolt close-up view showing thread details and square neck design
Industrial application of round head bolts in mechanical equipment assembly

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shaanxi Flourish Industrial Co., Ltd.
Location No.3939 Eurasian Ave., Chanba Ecological District, Xi'an, China
Contact Person Fiona Hou

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