Customized Fasteners Stainless/Carbon Steel Hex/Flange/Nylon Insert/Dome/Rivet/Weld/Acorn/Square/Lock/Wheel/Cone Nut for Industrial
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Product Highlights
- Rich in category lock nuts for your selection, covering Nylon Insert Lock Nut, Hex Lock Nut, Wheel Lock Nut, Hex Flange Nut, rivet lock nut and brass lock nut.
- Multiple surface treatments are available, including zinc plating, hot dip galvanization, black oxide, Dacromet and polished finish to fit diverse usage environments.
- One Stop Sourcing We look forward to establishing a long-term partnership with you. We accept OEM and ODM customization.
- Factory direct supply with fast shipment. Our annual production capacity reaches 8000 tons of fasteners.
- Established back in 2004, we have accumulated more than 20 years of experience in fastener production. Our thoughtful all round after sales support helps you get rid of every potential concern.
- We are certified with ISO9001, CE and other qualifications, and our goods have been exported to over 35 countries.
- Nylon Insert Lock Nut:Suitable for automobile parts, electronic equipment, household appliances and general purpose machinery. The nylon ring creates friction to stop loosening caused by long term vib
- Rivet Lock Nut:Fit for thin metal plates, cabinet shells, elevator panels and sheet metal equipment, delivering built in screw threads on thin plates without welding.
- Brass Lock Nut:Commonly used in plumbing fittings, water pipe connectors, electrical terminals and corrosion resistant equipment. Brass features excellent rust proof and conductive performance.
- Hex Flange Nut:Widely used for chassis components, solar brackets, metal stamping frames and outdoor installations. The enlarged flange spreads pressure and protects the mounting surface.
Product Attributes
- Customization
- Available
- Material
- Carbon Steel,Stainless Steel
- Type
- DIN1587,DIN 980,DIN 6926, DIN 6927,DIN 928, DIN929
- Model NO.
- Nut
- Connection
- Common Connection
- Head Style
- Hexagon Flange/Square Head
- Standard
- DIN, ISO
- Grade
- 6,8,10,A2-70,A4-80
- Model No.2
- Hex Flange Serrated/Nylon Insert Nut
- Model No.3
- Rivet/Stover/Acorn/Square/Lock/Cone Nut
- Delivery
- 5-15 Days
- Finish1
- Blue White Zinc Plating,Yellow Color Zinc Plating
- Finish2
- Black Oxide,Passivated,Geomet,Dacromet
- Thread Standard
- Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine
- Custom Order
- Customization by Drawing/Sample
- Price Terms
- Fob/CFR/CIF/DDP
- ODM/OEM
- Available
- Service
- Custom-Made Service
- Material Test Certificate
- Have
- Sample
- Samples in Stock Are Free with Freight Collect
- Quality Control
- 100% Quality Inspection
- Application1
- Furniture, Transportation, Construction
- Application2
- Solar Power, Home Appliances, etc.
- Transport Package
- Bulk Pack Small Boxed
- Specification
- M3 - M48, Customized
- Trademark
- Qewitco
- Origin
- China
- HS Code
- 731816
- Production Capacity
- 10000ton/Year
- Package Size
- 25.00cm * 25.00cm * 19.00cm
- Package Gross Weight
- 25.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Customized Fasteners Stainless/Carbon Steel Hex/Flange/Nylon Insert/Dome/Rivet/Weld/Acorn/Square/Lock/Wheel/Cone Nut for Industrial
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Product Description

Size: M5 - M16
Material: Carbon steel, Stainless steel
Grade: 6,8,10
Finish: Bright Zinc Plate, Yellow plated, Geomet,Customized
Packaging: Bulk pack | Small boxed

Size: M3 - M48
Material: Carbon steel, Stainless steel
Grade: 6, 8, 10, A2, A4
Finish: Plain | Bright Zinc Plate | Mechanical galv | Geomet ...
Packaging: Bulk pack | Small boxed

• Natural Finish – Raw material appearance
• Galvanized – Zinc-plated for corrosion resistance
• Oxidized – Enhanced durability & aesthetic appeal
• Painted/Coated – Custom colors for identification or branding


Finish: Plain,Stainless Steel,Blue White Zinc Plated, Yellow Color Plating, Pickled & Passivated (304/316)



Model NO. | DIN 980, All Metal Hex Lock Nut |
Size | M4,M5,M6,M8,M10,M12,M16,Customized |
Material | Carbon Steel |
Finish | Blue White Zinc Plated, Yellow Color Plating, Pickled & Passivated (304/316 Stainless Steel), Plain |
Application Scenarios | Machinery and Equipment, Automotive Chassis, Construction Machinery, Air Compressors, Fans, Mining Equipment, Motorcycles, Rail Transit Components |
Model NO. | Rubber Nut, Rivet Nut |
Standard | DIN 9085, RoHS & REACH Compliant |
Size | M3, M4, M5, M6, M8, M10, M12, Custom sizes available |
Material | Carbon Steel,Stainless Steel,Natural Rubber + Brass Thread Insert |
Finish | Black Rubber Body, Brass Inner Thread, Zinc Plated,Customized |
Packaging | Bulk Pack / Color Small Box |

Model NO. | DIN 6927,Hex Flange Head Nut With Serrated |
Size | M4,M5,M6,M8,M10,M12, Custom thread sizes supported |
Material | Carbon Steel |
Finish | Stainless Steel, Dacromet, Zinc Plated, Black Oxide, Powder Coating, Pickled & Passivated (304/316) |
Packaging | Bulk Pack / Color Small Box |

Choose the perfect material for your environment:
• Stainless Steel – Superior corrosion resistance (304/316)
• Carbon Steel – High strength & cost-effectiveness
• Brass – Excellent conductivity & decorative appeal
• Other Alloys – Available upon request
Precision-engineered to meet your strength requirements:
• Standard Grades: 4.8, 6.8, 8.8
• High-Tensile Grades: 10.9, 12.9
• Custom hardness & performance specifications
We specialize in:
Our dedicated support team ensures:
• Real-time technical consultation
• Quick quotation & order tracking
• After-sales problem solving
• Multilingual communication


Established in 2004, Qewitco operates as a UK-headquartered procurement specialist with its Asian hub in Qingdao. For 20+ years, we've bridged global industrial markets with premium Asian manufacturing capabilities, delivering both exceptional value and reliability.
1, Pan-Asian Sourcing Network – Strategic alliances across Taiwan, Vietnam, Thailand and Malaysia provide diversified sourcing options to reduce regional risks.
2,Stringent Quality Assurance – Every shipment undergoes meticulous factory validation and pre-dispatch quality control checks.
4,Round-the-Clock Support – Multilingual specialists ensure prompt responses and hassle-free order management.
We believe sustainable partnerships are built on shared success. Combining British operational excellence with Asian manufacturing advantages, we optimize your supply chain for efficiency and cost performance.
1,Cost Optimization – Volume-based pricing from established manufacturer relationships
3,End-to-End Transparency – Clear pricing structures with guaranteed accountability
Upgrade your industrial sourcing strategy with a partner who truly understands global supply chains. Contact our team to discuss your specific requirements.


(1)Custom designs available. ODM and OEM are welcome.
(2)We hope to maintain long-term cooperation with every customer, we attach importance to quality and insist on providing high-quality products and services.



About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2551066". Items marked "" are certified.
Company Profile
Headquartered in Qingdao, Qewitco is a distinguished global supplier specializing in industrial fasteners and hardware components, serving discerning clients across Europe and global markets. Since our establishment in 2004, we have built an exceptional reputation by seamlessly integrating British business ethics with China's manufacturing prowess, creating an unparalleled supply chain solution that combines quality, reliability, and competitive pricing for industrial consumables.
With over a decade of experience, we provide comprehensive sourcing solutions for both standard and customized fastener requirements, covering a complete range of screws, bolts, nuts, washers, and related hardware accessories. We strictly comply with all major international manufacturing standards while offering diverse material options to meet specific industrial application needs. Our carefully curated product portfolio addresses the exacting demands of various sectors, from construction and automotive to manufacturing and infrastructure development.
At Qewitco, we have perfected a value-driven service model through our factory-direct approach, eliminating unnecessary intermediaries to ensure cost efficiency without quality compromise. Our operational philosophy focuses on delivering a truly worry-free procurement experience, supported by dedicated account managers who provide personalized service throughout the supply process. We implement rigorous quality control at every production stage, complemented by flexible packaging solutions and an optimized logistics network designed for timely global delivery.
What truly sets Qewitco apart is our unique ability to bridge Eastern and Western business practices. We combine the reliability and transparency international buyers expect with China's manufacturing advantages. This dual advantage positions us as the ideal procurement partner for businesses seeking to optimize their supply chain while maintaining the highest standards of product quality and service excellence.
Our commitment goes beyond transactions to building lasting, mutually beneficial partnerships. We continuously invest in expanding our supplier network, enhancing quality assurance systems, and streamlining logistics operations to better serve global clients. As international trade evolves, Qewitco remains at the forefront, adapting to market changes and technological advancements to deliver increasingly sophisticated solutions worldwide.
For businesses seeking a trustworthy, experienced, and value-driven supplier of industrial fasteners and hardware components, Qewitco is the optimal choice. Discover how our expertise, resources, and commitment to excellence can contribute to your supply chain success. Contact us today to experience the Qewitco advantage and start a partnership that will transform your procurement process. Backed by extensive manufacturing connections and deep market knowledge, we are ready to meet your requirements with precision, efficiency, and the highest level of professional service.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Qingdao, Shandong, China
-
Plant Area
- 350 square meters
-
Number of Employees
- 18
-
Registered Capital
- 2,069,300 RMB
- Terms of Payment
- T/T
- International Commercial Terms(Incoterms)
- FOB, CIF, DDP, CFR, DAT
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
-
Main Products
- Bolt, Nut, Screw, Threaded Inserts, Washers, Threaded Rods & Studs, Lifting & Clamping, Pins & Rivets, Nails
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2003-12-05
- Export Year
- 2003-12-05
- Main Markets
- North America, South America, Eastern Europe, Oceania, Mid East, Western Europe
-
Repeat Buyers Choice
- 80%~100%
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Cooperated with Fortune 500
- No
FAQ
- Who are we?
- We are a factory based in Zhejiang, China, with over 20 years of experience in producing and exporting hardware fasteners.
- What products do you offer?
- We supply screws, bolts, nuts, washers, anchors,stamping parts and tool.
- How do you ensure quality?
- Our professional QC team inspects every item throughout production and before packaging.
- Do you provide samples? Are they free?
- Yes, we provide free samples for quality testing, but customers cover the express charges.
- What are your payment terms?
- Our standard terms: 30% T/T deposit, with the remaining balance payable against the draft copy of B/L.
- Lead Time
- We have most sizes in stock. For orders under 5,000 pcs, the lead time is 5-7 days.
- Can we customize the production?
- Yes,we can make mold to produce,you only send us your request with detailed drawings or photos, then we will make the quotation for you accordingly.
- Can I get a better price for bulk orders?
- Definitely. Our prices are negotiable. The more you order, the more discount you will get. Please contact us for a tailored offer.
- Are your products certified? Can I get the certification files?
- All our products comply with industry standards and hold valid certificates. Please send us a message, and we will provide you with the relevant certification documents promptly.
- Can you offer detailed dimension drawings and specifications?
- We have complete size data for all items. Feel free to contact us to receive the detailed product dimensions.
- What material options do you have for lock nuts?
- Our lock nuts are available in carbon steel and stainless steel. Special materials can be customized according to your requirements.
- What surface treatments can you offer for lock nuts?
- We provide zinc plating, black oxide, hot-dip galvanizing and Dacromet. Custom surface finishes are acceptable if needed.
- What types of lock nuts can you supply?
- We supply nylon insert lock nuts, all-metal lock nuts and serrated lock nuts. Other types can be customized as your request.
- Can I purchase matched bolts and washers together with lock nuts?
- Yes, we can provide supporting bolts and washers together with lock nuts to satisfy your assembly needs.
- Are your lock nuts effective under vibrating conditions?
- Yes, our lock nuts are designed to resist loosening in vibration scenarios. We can suggest suitable items based on your application.
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