Fastener U/Eye/Double-End/Wheel Stud/Hanger/Expansion Anchor/Hex Nut and Bolt For Construction/Engineering/Machinery/Warehouse Storage/Construction/Ceiling

Product Description

Product Description

Wheel Bolt/Knurled Round Head Stud Bolt

Dual head designs to cover heavy-load large-hub & compact light-duty wheel assembly demands
Strict DIN standard dimension control, stable expansion & locking performance, low assembly failure rate
Widely used for car, ATV, trailer, trolley, mechanical equipment wheel hub fastening
Flexible MOQ, fast lead time for standard sizes, support customized head thickness & knurl depth

Standard	Custom Industrial Standard, RoHS & REACH Compliant
Size	Dia. – M10 to M20, Length – 40mm to 130mm, Custom knurl section & thread length available
Material	Carbon Steel, Stainless Steel (304/A2, 316/A4)
Grade	8.8, 10.9 (Carbon Steel)  A2-50, A2-70, A4-70 (Stainless Steel)
Finish	Blue White Zinc Plated, Yellow Zinc Plated, Passivated, Electropolished
Packaging	Bulk Pack | Small Boxed

1. Slim mushroom round head takes less installation space, ideal for compact wheel hub structures with limited mounting clearance.
2. Knurled anti-twist neck eliminates extra positioning fixtures, one-person quick installation without auxiliary tools.
3. Smooth dome head surface reduces scratch risk to wheel decorative cover, maintains neat appearance of automotive wheels.
4. Standard carbon steel base with galvanized coating balances strength & cost, perfect for light vehicle, trailer & small equipment hubs.
5. Complete thread range covers common M6-M12 sizes; customized grip lengths & surface treatments available for bulk OEM orders.

1. Oversized wide round head provides larger bearing surface, evenly disperse load pressure to avoid substrate deformation under heavy vehicle load.
2. Vertical knurled anti-rotation shoulder locks tightly into mounting hole, prevents bolt spinning during nut tightening for efficient wheel assembly.
3. Thickened head base enhances impact & vibration resistance, stable fastening for long-term automotive wheel hub operation.
4. Uniform zinc-plated finish delivers excellent rust-proof performance, adapts to rainy, muddy road driving environments.
5. Full precision thread with consistent pitch, matches standard wheel nuts perfectly; multiple diameters & lengths in stock for vehicle customization.

Model NO.	Cup Square Bolts(Carriage Bolts) & Nuts DIN 603/934
Standard	DIN 603 C/W Hex Nuts DIN 934
Size	M6 – M24
Material	Carbon Steel
Grade	4.8, 5.8, 6.8, 8.8, 10.9 (Carbon Steel)
Finish	Plain, Stainless Steel,Zinc Plated, HDG, Zinc Flake
Packaging	Bulk Pack | Small Boxed

Model NO.	Double-Ended Stud Bolt/Double End Wood Screw
Standard	DIN 968
Size	Dia.– M6,M8,M10,Length – 50/60/80/100/120/150/200mm,Customized
Material	Carbon Steel
Finish	Yellow Zinc Plated(Hot Sale),Blue White/Black Zinc Plated,Stainless Steel,Dacromet,Geomet
Packaging	Bulk Pack | Small Boxed

Right elevation

Left elevation

Front elevation

Clamps are indispensable fastening marvels, engineered to hold objects firmly in position. These versatile tools come in an array of types, including C-clamps, F-clamps, spring clamps, and pipe clamps, each masterfully crafted to excel in specific applications.

Standard: DIN 3570 / ISO 1479  
Size: Dia. – M6 to M24, Length – 30mm ~ 200mm
Material: 
Carbon Steel, Stainless Steel (304 / A2, 316 / A4) 
Grade: 
4.8/6.8/8.8/10.9 (Carbon Steel) 
A2-50, A2-70, A4-70, A4-80 (Stainless Steel) 
Finish: Self Colour, Black Oxide, Electro Zinc Plated, Hot Dipped Galvanized (HDG), Passivated, Electropolished

Key Features:
Adjustability: Many clamps boast screw mechanisms or quick-release levers, allowing for precise pressure control with ease and precision.

Strong Grip: Crafted from robust materials such as steel, aluminum, or plastic, these clamps are designed to withstand the rigors of heavy loads.

Versatility: Offered in a variety of sizes and shapes, these clamps are perfect for woodworking, metalworking, welding, and construction, adapting to every need.

Common Uses:
Woodworking & Carpentry: Ideal for holding pieces together seamlessly during processes like gluing or sawing.

Metal Fabrication: Perfect for securing workpieces during welding or machining, ensuring stability.

Automotive & Plumbing: Remarkably effective in fixing pipes, hoses, or components during repair works.

DIY & Home Repairs: Essential for the temporary fixing of materials such as glass, tiles, or cables, ensuring smooth home projects.

Primary Functions:
Stabilization: Prevents unwanted movement during intricate work, ensuring a steady hand.

Alignment: Guarantees precise positioning, crucial for precision tasks.

Pressure Application: Maintains an even force, especially vital for bonding processes like glue drying.

Clamps are the unsung heroes in industries and workshops, providing unmatched efficiency and safety in material handling.

Eye Bolt  DIN 580

Expansion Anchor Bolt

Standard: DIN 580 

Size: Dia. – M6 ~ M30,Length – 20mm ~ 250mm

Material: Carbon Steel, Stainless Steel

Grade:
4.8/6.8/8.8/10.9 (Carbon Steel) 
A2-50, A2-70, A4-70, A4-80 (Stainless Steel)

Finish: 
Plain, Black Oxide, Zinc Plated, HDG, Electropolished

Packaging: Bulk Pack | Small Boxed

Model NO.:Sleeve Anchor, Drop-in Anchor, Wedge Anchor, Eye Bolt Anchor, Chemical Anchor, Heavy Duty Anchor

We offer a comprehensive and diverse range of expansion bolts, with ample stock of standard sizes—from miniature components to large, heavy-duty anchor bolts. Multiple surface finishes are available, including galvanized, Dacromet, and stainless steel, making them suitable for a wide variety of applications such as exterior wall fastening, equipment installation, pipe supports, and residential construction. We also offer custom specifications upon request.

Please see the link:https://chinaboltandnut.en.made-in-china.com/product-group/ZeJaUdGjCIYo/Fixings-catalog-1.html?pv_id=1jtn0fo9d797&faw_id=1jtn0ftm2ea3&bv_id=1jtn0ftm4b98&pbv_id=1jtn0fnmb155

High Tensile Hexagon Flange Head Serrated/Non-toothed Bolt DIN 6921

Hexagon Head Full /Part Thread Bolt With DIN/ISO Standard

Standard: DIN 6921

Size: Dia. – M5 to M20, Length – 16 to 400mm

Material: Carbon Steel, Stainless Steel

Grade:
4.8, 5.8, 6.8, 8.8, 10.9, 12.9 (Carbon Steel)
A2-50, A2-70, A4-70, A4-80 (Stainless Steel)

Finish: Self Colour, Black Oxide, Zinc Plated, HDG

Packaging: Bulk Pack | Small Boxed

Standard: DIN 933 / ISO 4017 , DIN 931 / ISO 4014,  RoHS & REACH Compliant 
Size: Dia. – M5 to M36, Length – 10mm to 500mm, Custom thread length available 
Material: Carbon Steel, Stainless Steel (304/A2, 316/A4) 
Grade: 
4.8/8.8/10.9/12.9 (Carbon Steel) 
A2-50, A2-70, A4-70, A4-80 (Stainless Steel) 
Finish: 
Self Colour, Black Oxide, Blue White Zinc Plated, Yellow Zinc Plated, Hot Dipped Galvanized (HDG), Electropolished
Packaging: Bulk Pack | Small Boxed

Concrete Bolt

Below are our concrete bolt: 

https://chinaboltandnut.en.made-in-china.com/product-group/FenGUMoOAiYq/Concrete-Bolts-1.html?pv_id=1jtn0fu9sf26&faw_id=null&bv_id=1jtn1c5gt179&pbv_id=1jtn0ftm4b98

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours, whichever comes first, giving you peace of mind.
Extended Warranty: Optional extended warranty coverage for up to 36 months, providing further protection for your investment.
Global Support: Enjoy 24/7 technical support and a reliable supply of replacement parts to ensure uninterrupted equipment operation.

Factory And Company Profile

QEWITCO FASTENERS CO., Ltd

As a distinguished British wholly owned enterprise, proudly headquartered in the renowned city of Qingdao, Shandong Province, China, Qewitco has emerged as a prominent supplier of an extensive range of 'Industrial Consumable Products' to a multitude of customers across Europe and globally.
Established in April 2004, Qewitco's operational principles are profoundly influenced by its British ownership, proving invaluable in 'Supply Chain Management' of 'Industrial Consumable Products' from mainland China and neighboring countries, including Taiwan, Malaysia, Vietnam, and Thailand.
With a robust legacy of over a decade in the industry, Qewitco Fasteners Co., Ltd is perfectly poised to deliver an unmatched 'value for money' service tailored to your unique needs. Our offerings are enriched with dedicated 'Account Management', stringent 'Quality Control', innovative 'Special Products Sourcing', and customized 'Packaging & Delivery' solutions. If it's 'made in China', rest assured, Qewitco is your comprehensive supplier!
Qewitco is passionately committed to the principle of 'Delighting the Customer'. Our mission is to provide a seamless, 'worry-free' service journey, expertly guiding your products from the Factory to your Warehouse. We uniquely blend 'Western style' business practices with the exceptional 'Far Eastern Value', ensuring a truly rewarding experience.

J.G.DOU

Managing Director

Why Choose Us?

Explore Our Other Products

Outstanding ODM Capabilities
Attractive Pricing & Generous Bulk Discounts
Rapid Shipping & Comprehensive Customs Clearance Support
Innovative Solutions

Premium Bolts
Durable Nuts
High-Quality Screws
Reliable Washers

Company Activity & Exhibition

Why Choose Qewitco

1. British-owned enterprise headquartered in Qingdao. Operated under British management system and international quality standards. We combine Western business integrity with competitive Asian manufacturing resources, delivering stable, transparent procurement services to global buyers.

2. Established in 2004 with over 20 years of industrial consumables & fastener experience. Long-term clients spread across Europe, North America, Southeast Asia and other global markets. Proven track record serving international distributors, manufacturers and engineering companies.

3. Multi-stage QA system implemented throughout the whole process: raw material incoming inspection → production follow-up → finished goods testing before shipment. Avoid quality risks for your bulk orders.

4. Flexible customized procurement solution. We source regular standard fasteners as well as specialized, hard-to-source non-standard items to satisfy your unique project demands.

5. Personalized account manager assigned for each partner to align with your business targets & schedules. Custom packaging available; integrated logistics solutions to simplify worldwide delivery from factory straight to your warehouse.

6. Specialized in global supply chain optimization. We integrate multi-supplier resources to simplify your purchasing process, cut sourcing costs and reduce multiple supplier communication workload.

7.Regarding delivery times: We have most sizes in stock. For orders of fewer than 5,000 pieces, the lead time is 5–7 days.

FAQ

Q: What's the lead time for orders?
A: For standard models, expect a swift shipping time of 15–30 days. Customized units, crafted to your specifications, require 30–45 days.

Q: Do you provide after-sales service overseas?
A: Indeed! We have established partnered service centers strategically located in key regions to ensure comprehensive support.

Q: Can I request a customized size?
A: Absolutely! We specialize in offering tailored attachments to meet your precise requirements.

Q: What documents do you provide for export?
A: We supply a complete export documentation package, including the Commercial Invoice, Packing List, Bill of Lading, COC, and more.

Q: How do I place an order?
A: Simply reach out to us via email or phone for a tailored quote, followed by confirmation with a Purchase Order (PO).