Screw Suppliers
- Type:Wood Screws, Machine Screws, Self-tapping Screws, Drywall Screws, Hex Screws, Torx Screws, etc.
- Material:Options include stainless steel, carbon steel, brass, and alloy, meeting different needs such as corrosion resistance, strength, or aesthetics.
- Size & Standard:Covers both metric and imperial sizes, with compliance to DIN, ISO, and ANSI standards, ensuring compatibility with various project requirements.
- Application:Categorized by usage fields such as construction, furniture, electronics, and industrial equipment, making it easier to select the right screws for specific scenarios.
- OEM/ODM:Customization available for specifications, materials, surface treatments, or packaging, supporting tailored solutions for diverse requirements.
Why Choose Our Screw
Our screws and fasteners range from wood screws, drywall screws, and self-tapping screws to specialty fasteners for automotive, electronics, and industrial machinery, covering diverse applications across industries. Made from premium carbon steel, stainless steel, and alloy materials, they provide strength, corrosion resistance, and long-lasting durability, performing reliably in demanding environments from outdoor construction to precision electronics. Each screw undergoes multi-stage testing for hardness, torque, and dimensional accuracy, ensuring consistent performance and reliability. With flexible customization options in sizes, threading, head types, surface coatings, and packaging, we tailor products to meet your brand and project requirements. Supported by automated production lines and efficient logistics, we guarantee stable output and timely worldwide delivery for both small-batch and bulk orders, making us a dependable partner for long-term cooperation.

Shanghai Mitools - Screw suppliers
Our screws and nuts are engineered with a perfect balance of strength, precision, and durability, ensuring secure fastening solutions for projects of every scale. Made from high-grade carbon steel, stainless steel, and specialized alloys, they provide outstanding corrosion resistance, stable connections, and long-lasting performance even in challenging environments.
Designed for construction, automotive, electronics, furniture, and general manufacturing, our fasteners deliver versatile applications that meet both industrial requirements and everyday needs. Backed by strict quality control, advanced production technology, and compliance with international standards, our products have become the trusted choice of global brands, wholesalers, and distributors looking for reliable quality and competitive value.
Screw and Bolt
Our comprehensive range of screws and bolts is designed to meet the diverse needs of construction, manufacturing, and everyday applications. From lightweight fixings to heavy-duty fasteners, each category is crafted for strength, reliability, and precision. Explore our eight main categories below
Engineered for creating their own threads in materials like metal and plastic, tapping screws are ideal for quick assembly and strong fastening without the need for pre-drilling.

Designed with sharp tips and fine or coarse threads, drywall screws provide excellent grip and secure attachment of drywall boards to wooden or metal studs.

A heavy-duty fastening solution, anchor bolts are widely used in concrete and masonry applications to provide stable and lasting structural connections.

These long screws are designed for woodworking and construction, providing deep penetration, strong grip, and reliable holding power in timber applications.

This category includes a variety of customized screws and fixings designed for specific industry needs, offering tailored solutions for unique applications.

Paired with bolts, nuts and washers ensure secure fastening, even load distribution, and long-term reliability in industrial and construction settings.

Known for their strength and versatility, hex bolts are used across construction, machinery, and automotive industries where high torque strength is required.

Precision-engineered stamping components complement our fastener range, providing customized metal parts for assemblies, automotive, and industrial products.
Screw Assortments
Grub ScrewsEngineered for precision and reliability, grub screws (set screws) provide a secure, headless fastening solution that sits flush within the surface. Ideal for locking gears, pulleys, and shafts in place, they deliver strength without bulk—perfect for applications where clean design and dependable performance matter.
Screw HooksDesigned for convenience and durability, screw hooks offer a simple way to hang, secure, or organize items with ease. With their threaded base for firm grip and open hook design for quick access, they are perfect for household, workshop, and industrial applications where reliability meets practicality.
Toggle BoltsEngineered for heavy-duty fastening, toggle bolts provide exceptional holding power in hollow walls, drywall, and ceilings. Their spring-loaded wings expand behind the surface to create a secure anchor, making them the ideal solution for mounting shelves, fixtures, and other heavy objects with confidence.
Bolts for ConcreteEngineered for maximum durability, bolts for concrete are designed to create strong, secure anchoring in masonry and concrete surfaces. Perfect for heavy-duty construction, machinery installation, and structural fixing, these bolts provide dependable stability and long-lasting performance even under high stress.
Screws for Toilet SeatSpecially designed for bathroom fixtures, screws for toilet seats ensure a secure and stable fit, preventing wobbling and enhancing user comfort. Made from rust-resistant and durable materials, they provide long-lasting performance in moisture-prone environments, making installation and replacement quick and reliable.
100mm ScrewsDesigned for demanding construction and woodworking projects, 100mm screws deliver superior strength and stability for deep fastening. Ideal for securing thick timber, heavy frames, and structural applications, these screws ensure a reliable hold that stands up to heavy loads and long-term use.
Key Features of Our Screws and Nut
Our screws and nuts are engineered with a perfect balance of strength, precision, and durability, delivering secure fastening solutions for projects of every scale. Manufactured from high-grade carbon steel, stainless steel, and specialized alloys, they offer corrosion resistance, stable connections, and long-lasting performance even in the most demanding environments. Designed for construction, automotive, electronics, furniture, and general manufacturing, our fasteners provide versatile applications that meet both industrial requirements and everyday needs. Backed by strict quality control, advanced production technology, and compliance with international standards, they have become the trusted choice of global brands, wholesalers, and distributors seeking reliable quality and competitive value.

Made from premium steel and alloys, ensuring excellent load-bearing capacity and long-lasting performance.

Surface treatments such as zinc plating, galvanization, or stainless steel provide protection in harsh environments.

Accurately manufactured threads guarantee smooth fastening and reliable fit for various applications.

Available in multiple diameters and lengths, suitable for construction, furniture, automotive, and machinery needs.

Ideal for wood, metal, concrete, and plastic fastening, offering universal usability across industries.

Designed for quick assembly with standard tools, saving time and effort in both DIY and industrial projects.

Provides a tight, vibration-resistant fastening solution that ensures stability and safety.

Supports OEM/ODM services, including different materials, coatings, and packaging to meet specific customer requirements.
Our Service & Supply Advantages
With a complete product range covering wood screws, self-tapping screws, machine screws, nuts, and specialty fasteners, we deliver solutions that fit every industry and application. Our strong customization capabilities—from sizes, materials, and coatings to OEM/ODM packaging—ensure that every product aligns perfectly with your brand and project requirements.
Backed by a strict quality assurance system, ISO-certified production, and advanced testing equipment, we guarantee consistent performance, durability, and compliance with international standards. Combined with our efficient logistics network and global supply service, we provide not just fasteners, but also on-time delivery and long-term reliability for your business.
We are more than a supplier—we are a trusted manufacturing partner dedicated to helping brands, wholesalers, and distributors worldwide grow with reliable, cost-effective, and scalable fastening solutions.

We provide a comprehensive selection of screws, nuts, bolts, and fixings, ensuring that customers can find all fastening solutions in one place, whether for industrial use or home improvement.

Our team supports full customization, including product design, material selection, handle colors, and logo printing, helping clients build their own unique brand identity.

Every product undergoes rigorous testing and inspection, from raw materials to final packaging, to guarantee durability, precision, and compliance with international standards.

By combining efficient production with optimized supply chain management, we deliver high-quality products at cost-effective prices, ensuring strong value for our clients.

With flexible logistics solutions and international shipping capabilities, we ensure timely delivery to customers worldwide, regardless of order size.

Our experienced service team offers responsive communication, technical guidance, and after-sales support, building long-term partnerships with clients.
Fastening Solutions for Every Industry
Our screws, bolts, and fixings are trusted by professionals and businesses worldwide, serving industries such as construction, furniture, automotive, electronics, machinery, and home improvement. With proven performance in both heavy-duty industrial projects and everyday applications, our products deliver the strength, precision, and reliability needed for secure fastening in any environment. Backed by consistent quality and international compliance, they have become the preferred choice for manufacturers, contractors, and distributors seeking dependable fastening solutions.


Precision Manufacturing, Guaranteed Quality
Backed by advanced production lines, modern testing equipment, and strict inspection standards, our factory ensures that every screw and bolt meets or exceeds international quality requirements. From careful material sourcing and precision machining to surface treatment and final testing, each step is tightly controlled to guarantee strength, durability, and reliable performance. This commitment to quality and consistency makes our products a trusted choice for brands, wholesalers, and distributors worldwide.
Mitools Advantage--Factory


With state-of-the-art production facilities, automated equipment, and a highly skilled workforce, our factory delivers high-precision screws, bolts, and fixings at both small and large scales. From cold heading, stamping, and precision machining to heat treatment, surface finishing, and anti-corrosion coatings, every step of the process is carefully optimized for efficiency, consistency, and accuracy.
Our strict quality control system includes hardness testing, torque and tensile strength evaluation, and dimensional inspections under microscopes, ensuring that each product meets international standards such as ISO, DIN, and ANSI. This combination of advanced technology, rigorous testing, and experienced craftsmanship enables us to provide fasteners that deliver long-lasting performance, reliable connections, and global competitiveness.
Wide Applications Across Industries
Our screws and bolts are designed for versatility, making them essential across multiple industries and daily projects. They are widely used in construction and infrastructure for timber, concrete, and drywall fixing; in furniture manufacturing for assembly and durability; and in electrical and plumbing installations for secure and long-lasting connections. Beyond industrial use, they are also applied in automotive, machinery, and equipment maintenance, as well as in DIY and household repairs, ensuring reliable fastening in every scenario. Whether for heavy-duty engineering or everyday tasks, our products provide the strength and precision you can trust.

Our bolts for concrete and fixings for concrete are essential for building strong foundations. From timber frames to concrete structures and drywall installation, they ensure stability and long-lasting performance in large-scale projects. Their strength and corrosion resistance make them ideal for both indoor and outdoor construction.

Designed for superior grip and reduced cam-out, our Phillips screwdrivers are ideal for assembling equipment, repairing appliances, and handling mechanical fasteners. Whether in professional manufacturing lines or DIY projects, they ensure secure fastening and long-lasting durability.

Safety and precision are crucial in electrical and plumbing systems. Our screws deliver secure fastening for fixtures, switch boxes, pipes, and fittings, ensuring stability while withstanding vibration, heat, and moisture.

In automotive repair and machinery maintenance, our bolts and screws play a vital role in withstanding high stress and mechanical loads. They provide reliable fastening for engines, equipment, and moving parts, reducing downtime and ensuring smooth performance.

Our heavy-duty screws, nuts, and bolts are engineered for industrial-grade applications, including large machinery, structural steel, and equipment assembly. With high tensile strength and durability, they guarantee performance in demanding environments.
Manufacturing Strength & Quality Assurance
With advanced production facilities and a strict quality control system, our factory ensures that every screwdriver is crafted with precision, durability, and reliability. From automated assembly lines to microscopic inspections, we deliver tools that meet the highest international standards.

Our factory features cutting-edge production lines, automated machinery, and precision stamping systems, allowing us to efficiently produce large quantities of screws and bolts without compromising on quality. Supported by a team of experienced engineers and skilled technicians, every fastener is carefully crafted for accuracy, strength, and consistent performance. From rapid production cycles to meticulous assembly processes, we deliver products that keep your projects running smoothly and reliably.

Every stage of our production process, from incoming material checks to the final product assembly, is carefully monitored to ensure exceptional consistency and reliability. Utilizing state-of-the-art testing tools, including torque analysis, hardness evaluation, and detailed microscopic inspections, we make sure that each screw and bolt delivers strength, precision, and long-lasting performance. This thorough approach ensures our products perform flawlessly in both demanding industrial applications and everyday projects.
Metric Screw Size Chart
You’ll find the detailed dimensions and specifications for our wide range of screws, nuts, bolts, and fasteners. From screw lengths to bolt diameters, we provide precise measurements to ensure compatibility with your specific applications. Our products come in various sizes, with options for customization, ensuring you find the right fit for your project needs—whether for construction, automotive, or furniture assembly. Browse our dimensions chart for easy reference and make the perfect choice every time.
- Screw Dimensions
- Bolts Sizes
- Nut and Bolt Sizes
- Metric Screw Size Chart
Screw Dimensions
| Screw Type | Diameter (mm) | Length (mm) | Thread Pitch (mm) | Material | Application |
|---|---|---|---|---|---|
| Wood Screw | 2.0 – 10.0 | 10 – 150 | 0.5 – 1.5 | Steel, Stainless | Wood, Carpentry |
| Machine Screw | 2.0 – 10.0 | 10 – 100 | 0.4 – 1.0 | Stainless, Brass | Industrial, Machinery |
| Self-Tapping | 3.0 – 8.0 | 15 – 100 | 0.5 – 1.0 | Steel, Zinc | Metal, Plastic |
| Drywall Screw | 3.5 | 25 – 100 | 0.8 | Steel | Drywall Installation |
| Tapping Screw | 4.0 – 10.0 | 10 – 150 | 0.5 | Steel, Zinc | Metal, Plastic |
| Bolt Type | Diameter (mm) | Length (mm) | Thread Pitch (mm) | Material | Application |
|---|---|---|---|---|---|
| Hex Bolt | 6.0 – 20.0 | 20 – 200 | 1.0 – 2.0 | Steel, Zinc | Construction, Industrial |
| Carriage Bolt | 8.0 – 20.0 | 25 – 150 | 1.0 | Steel | Wood, Steel |
| Anchor Bolt | 10.0 – 30.0 | 50 – 300 | 1.5 – 2.5 | Steel, Stainless | Concrete, Masonry |
| Eye Bolt | 5.0 – 12.0 | 25 – 150 | 1.0 – 1.5 | Stainless | Lifting, Rigging |
| Nut Type | Bolt Size (mm) | Thread Size | Material | Application |
|---|---|---|---|---|
| Hex Nut | M3 – M24 | M3, M4, M5, M6 | Steel, Zinc | Construction, Automotive |
| Wing Nut | M4 – M16 | M5, M6 | Stainless, Brass | Furniture, DIY Projects |
| Lock Nut | M5 – M30 | M5, M6, M8 | Steel, Nylon | Machinery, Equipment |
| T-Nut | M6 – M20 | M8, M10 | Steel, Zinc | Woodworking, Furniture |
| Square Nut | M6 – M20 | M6, M8 | Stainless, Brass | Industrial, Automotive |
| Metric Size | Diameter (mm) | Length (mm) | Thread Pitch (mm) | Common Use |
|---|---|---|---|---|
| M3 | 3.0 | 10 – 50 | 0.5 | Electronics, Small Parts |
| M4 | 4.0 | 10 – 80 | 0.7 | Furniture, Light Machinery |
| M5 | 5.0 | 10 – 100 | 0.8 | Automotive, General Use |
| M6 | 6.0 | 10 – 120 | 1.0 | Construction, Machinery |
| M8 | 8.0 | 20 – 150 | 1.25 | Heavy-duty, Industrial |
| M10 | 10.0 | 20 – 200 | 1.5 | Engineering, Heavy Machinery |
Testimonials
We offer a wide variety of screws, bolts, and nuts including machine screws, wood screws, self-tapping screws, hex bolts, carriage bolts, anchor bolts, and more. Each is available in various sizes, materials, and finishes for different applications.
Yes, we offer OEM/ODM services where you can customize the size, material, surface treatment, and packaging. We also offer branding services to add your logo on the products.
Our screws and bolts are made from a variety of materials including stainless steel, carbon steel, brass, and alloy steel, with surface treatments like zinc plating, galvanization, and black oxide to ensure corrosion resistance.
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Why Choose Us for Your Fastening Needs?
Looking for reliable screwdriver sets at competitive prices? Contact us now and discover how our products and services can bring value to your business.
At Sshanghai Mitools, we are dedicated to providing high-quality screws, bolts, nuts, and fasteners designed for a wide range of industries and applications. From precision-engineered components to custom solutions, we ensure our products meet the highest standards of durability, strength, and performance.ss
Whether you need fasteners for construction, automotive, furniture, or DIY projects, our reliable supply chain and advanced manufacturing processes ensure your business gets the products it needs—on time, every time.
Partner with us for your fastening solutions and experience quality, reliability, and innovation that elevate your projects and operations.
Yes, we provide a variety of specialty screws such as drywall screws, self-drilling screws, and concrete screws that are designed for specific applications, offering ease of use and secure fastening in different materials.
Each product undergoes strict quality control procedures, including material inspections, torque testing, and dimensional checks. We adhere to international standards, including ISO and DIN, to ensure high reliability and performance.
Our production lead time typically ranges from 7 to 30 days depending on the product type, order quantity, and customization requirements. We strive to meet your deadlines and provide fast shipping.
Our screws and bolts are used in a wide range of industries including construction, automotive, electronics, furniture manufacturing, and machinery. We offer specialized fasteners for each industry’s needs.
Yes, we can handle large-scale industrial orders. Our factory is equipped with advanced production lines that can accommodate high-volume orders without compromising quality. We also provide tailored solutions for specific industrial applications.





















