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Help CenterFlat Countersunk Square Neck DIN608/605 Zinc-Plated High-Strength Plow Bolt Carriage Bolt
Product Spotlights
Galvanized & Stainless steel SUS304/316 (A2/A4) Round head square neck Carriage Bolts.
| Product | Carriage bolt (Round head square neck bolts) |
| Material | Carbon steel, Stainless steel A2/A4 |
| Diameter | Metric sizes from 5mm to 24mm, Inch sizes from 3/16" to 1". |
| Length | Metric sizes from 10mm to 3000mm, Inch sizes from 3/8" to 10'. |
| Surface finished | Galvanized (ZP), Black,HDG, Dacromet, etc |
| Packing | Small box/bag, Cartons/Pallet. |
| Production Capacity | 8-10 container/Month. |
About Us
Located in the heart of China's hardware manufacturing hub, SENOTECH is a dedicated supplier specializing in high-quality fasteners, rigging hardware, and industrial components. With years of deep involvement in the industry, we have evolved from a fastener specialist into a comprehensive one-stop sourcing partner for global industrial distributors and wholesalers.
Our Core Product Range:
Industrial Fasteners: A comprehensive selection of bolts, nuts, screws, and washers complying with DIN, ISO, ANSI, and JIS standards. We specialize in high-tensile Carbon Steel (Grade 8.8, 10.9, 12.9) and premium Stainless Steel (A2-70/SUS304, A4-80/SUS316).
Solar & Renewable Energy Hardware: Specialized mounting solutions for PV projects, including aluminum rails, roof hooks, mid/end clamps, and solar-specific fasteners designed for long-term outdoor durability and corrosion resistance.
Architectural Glass Hardware: High-precision components for frameless glass systems, including glass spigots, clamps, standoffs, and balustrade fittings. Available in superior SUS316 and Duplex 2205 to meet the aesthetic and safety standards of modern construction.
Rigging & Lifting Solutions: Certified high-strength wire ropes, shackles, turnbuckles, and Grade 80/100 lifting chains, engineered for maximum safety in maritime and industrial environments.
Abrasives & Industrial Tools: Premium-grade cutting discs, grinding wheels, and specialized tooling designed for high-efficiency metal fabrication and surface finishing.
Custom Engineering & Non-Standard Parts: Tailor-made components manufactured to your exact technical drawings and material specifications, utilizing cold-forging and precision CNC machining.
Why Choose Us?
Rigorous Quality Control: We conduct pre-shipment inspections for every order, ensuring dimensions, materials, and surface treatments meet your exact specifications.
Flexible Consolidation: We understand the needs of wholesalers. We offer flexible MOQ and the ability to consolidate multiple product categories into a single container, optimizing your logistics costs.
Global Standards, Local Service: Our products are widely exported to Southeast Asia, the Middle East, and Europe. We bridge the gap between China's manufacturing power and your local market needs.
At SENOTECH, we don't just sell products; we build long-term partnerships based on trust, competitive pricing, and impeccable service.
FAQ
Q1: Why choose us?
To provide our customers with first-class services in the supply of quality fasteners minimizing costs.
1.1. Vision: We wishes to build successful relations with our partners and be their first choice as an fasteners supplier.
1.2. Mission: professional customer service, and innovation in technology.
Further more, we do not only offer you fasteners with more reasonable quality and price than your expectations, but also would like to be your friend and to provide you market sales suggestion for your reference, if you have a better idea , please feel free to share with us.
Q2.How is quality ensured?
All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.
Q3:If you can not find on our website the product you need how to do?
You can send the pictures/photos and drawings of the products you need by email , we will check if we have them. We develop new models every month, Or you can send us samples by DHL/TNT, then we can develop the new model especially for you.
Q4:Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.
Q5: How should I order and make payment?
By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment.
Q6: What's your Delivery Time?
Standard parts: 7-15days
Non-standard parts: 15-25days
We will make the delivery as soon as possible with the guarantee quality.
Q7:How to Custom-made (OEM/ODM)
If you have a new product drawing or a sample, please send to us, and we can custom-made the hardware as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
Q8:Which mode of transport would be better?
In general, the production are heavy, we advice to make delivery by sea, Also we respect your views of other transportation as well.
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