Premium Fasteners
for Global Industry
Professional manufacturer and exporter of high-quality fasteners since 2004. Serving 50+ countries with 10,000+ product specifications.
B2B Fastener Procurement — Standards, Grades & Sourcing Guide
When sourcing industrial fasteners for your supply chain, three factors determine product reliability: material grade, surface finish, and standard compliance. Hex bolts for structural steel, for example, require Grade 8.8 or higher (ASTM A325 / DIN 6914), while stainless steel fasteners for marine or chemical environments demand A4 (316) grade with passivated surfaces for maximum corrosion resistance. Self-drilling screws used in metal roofing must match the correct drill capacity (#3 to #5) to the steel substrate thickness — an engineering choice that affects both installation speed and pull-out strength.
Browse our 10 product categories below and use the sort and search tools to find specifications by standard (DIN, ISO, GB, ASTM), material (carbon steel, alloy steel, stainless steel A2/A4), and surface finish (zinc, HDG, Dacromet, black oxide). Detailed dimensional drawings and material certifications are available on each product page. For custom fastener requirements — special threads, lengths, or non-standard materials — use the contact form or email [email protected] for a quotation with typical lead time of 25-30 working days.
Comprehensive Fastener Solutions
10 categories with 10,000+ specifications. All products meet international standards.
Self-Drilling Screws
28 types. DIN7504-P. Stainless Steel A2/A4. Diameter: 3.5-6.3mm.
Screws
Machine, wood, self-tapping screws.
Bolts
Hex Bolts, Cap Bolts etc, Grade 4.8-12.9.
Nuts
Hex, flange, lock nuts.
Washers
Flat, spring washers. SS & Carbon steel.
Threaded Rods
M4-M36, length customized per customer requirements
Anchors
Wedge, Sleeve, Drop In Anchor.
Rivet Nuts
Flat, knurled, closed end.
Nails
Common, finishing, roofing nails.
Strut Channels
Standard & slotted channels.
Quality & Reliability
Committed to excellence in every aspect of our operations.
ISO Certified
ISO 9001:2015 certified quality management system ensuring consistent product quality and customer satisfaction.
Global Export
Serving 50+ countries worldwide with reliable logistics and competitive pricing for bulk orders.
Fast Delivery
Efficient production and logistics ensure quick turnaround times for both standard and custom orders.
Aufaster Fastener
Aufaster Co.,Ltd was established in 2004, with ISO9001 certificate, is a professional manufacturer and exporter specialized in various standard and nonstandard fasteners and hardware components. We aim to supply the convenience of a package service from market research, through manufacturing and documentation, to shipment and delivery.
With such a highly professional team we can provide high quality products and best service according to different customers' requirements. Our dedication to customer service has helped us become one of the most respected fastener distributors in the Southeast and got good reputation in the world market.
Raw Materials: Carbon steel, alloy steel, stainless steel, brass
Surface Finishings: Zinc plated, black, brass-plated, hot dip galvanized, mechanic zinc-plated, etc.
Grade: Mechanical performance grade varies from 4.8-12.9 (ANSI GR2-GR5 B7), stainless steel 304-316
"Excellent quality, satisfactory service and everlasting business"
Get in Touch
Ready to discuss your fastener requirements? Our team is here to help with product selection, pricing, and technical support.
Contact Information
+86 189 5738 0990
Room 1927, No. 6 Jiangyuan Road, Haining, Zhejiang, China