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Screws and Bolts: China Manufacturer of High-Quality Fasteners

From a China-based manufacturer, I offer reliable screws and bolts designed for heavy-duty assembly in construction, automotive, machinery. As a China Manufacturer, I understand what B2B buyers need: consistent quality, on-time delivery, and competitive prices. Our screws and bolts meet industry standards & come in varied sizes, coatings (zinc plated, coated), materials (stainless steel, alloy steel). We supply standard and customized specs for OEM and maintenance. We maintain strict QC, with material traceability and torque-tested performance. We can ship in bulk, with packaging tailored to your supply chain. Our factory leverages advanced cold-forming, threading, heat treatment to ensure corrosion resistance and load capacity. Whether you source for projects in China or abroad, we provide prompt quotes and dependable service. If you search for a trusted supplier of screws and bolts, you've found a partner who values durability, consistency, and clear communication. Let me know your needs and we tailor a solution.

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screws and bolts Where Service Meets Innovation More Than a Supplier - A Partner

Global buyers are not just sourcing screws and bolts; they want a partner who turns procurement into strategy. Precision matters—from tolerances and thread forms to finishes. A partner delivers more than parts: engineering insight, rapid prototyping, flexible tooling, and a logistics network across markets. Rooted in a manufacturing hub in Southern China, we merge scale with customization, delivering consistent quality, clear communication, and on-time delivery that keeps production moving. Beyond parts, a true partner offers end-to-end support: certification-ready products, solid QA, and traceability at every step. We align with global standards, offer material options, and use digital tools that simplify sourcing—BOM imports, order tracking, and real-time updates. From value engineering to packaging and kitting, we tailor solutions to your cadence—JIT, Kanban, or VMI—so your supply chain stays lean, resilient, and ready for the next shift.

{ screws and bolts Where Service Meets Innovation More Than a Supplier - A Partner}

Product Type Material Grade Thread Type Diameter (mm) Length (mm) Finish/Coating Tensile Strength (MPa) Standard/Grade Lead Time (days) MOQ (pcs) Certification Application Field
Hex Bolt A2-70 (Stainless) Coarse 6 40 Zinc-passivated 520 ISO 4014 / DIN 931 5 250 ISO 9001 General mechanical assembly
Carriage Bolt A2 Stainless Partial thread 8 60 Zinc-plated 520 DIN 603 7 200 ISO 9001 Wood-to-metal fastening
Self-Tapping Screw Alloy Steel Self-tapping 4 25 Black oxide 700 DIN 7504 6 1000 ISO 9001 Sheet metal assembly
Lag Screw Carbon steel Coarse 10 80 Galvanized 540 DIN 571 9 150 ISO 9001 Outdoor timber framing
Machine Screw A2 Stainless Fine 3 10 Passivated 450 DIN 7985 4 500 ISO 9001 Electronics housing assembly
Socket Head Cap Screw Alloy steel 8.8 Fine 6 20 Zinc-plated 800 ISO 4762 4 100 ISO 9001 High-strength assemblies

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screws and bolts Industry Giant Factory-Direct Excellence

Production Volume by Fastener Type (Units in Thousands)

0 500 1000 1500 Hex Screws Bolts Nuts Washers Wood Screws Self-tapping Screws Thousands of Units Fastener Type

Explanation: The dataset illustrates annual production volume by fastener type for a representative manufacturing facility, with units measured in thousands. The goal is to compare product families and understand capacity allocation across the portfolio. Hex screws lead the output at 1700 thousand units, followed by bolts at 1500 thousand. This ordering reflects broad demand across industries such as automotive, machinery, and construction, and also the relative ease of mass production for standardized geometries. Nuts and washers show substantial volumes (950 and 1200 respectively), underscoring their complementary use with screws and bolts. Wood screws and self-tapping screws record lower volumes (700 and 1100 thousand), indicating more specialized niches or selective customer applications.

The 3:1 chart ratio makes the differences visually apparent: the tallest bar corresponds to Hex screws, while others trail by a noticeable margin. The horizontal grid lines, labelled at 500-unit intervals, aid quick estimation of relative scale and support decision-making in capacity planning and inventory management. An important insight is that while self-tapping screws are reasonably high, there remains a significant gap between the top two categories and the rest, suggesting potential for product-family optimization, process improvements, or targeted marketing to shift demand curves.

From an operational perspective, the dataset can be used to forecast resource needs, such as die sets, threading equipment, coating lines, and packing capacity. It also informs procurement strategies for raw materials like steel bars and wire, as well as tolerance for batch production changes. If this facility aims to increase throughput by a specific percentage, the chart helps identify which families would contribute most to that increase with the least marginal cost, and where automation or supplier diversification could yield the greatest leverage. Overall, the "Production Volume by Fastener Type" dimension serves as a concise dashboard for production planning, performance tracking, and strategic investment decisions in a high-volume components factory. Note: data are illustrative for demonstration purposes and can be updated with monthly or quarterly measurements to monitor trends over time.

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  • Ryan 2022.12.14 21:22:33

    The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.

  • Christina 2022.12.08 07:49:00

    Problems can be quickly and effectively resolved, it is worth to be trust and working together.

  • Betty 2022.12.04 05:18:20

    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.

  • Michaelia 2022.12.03 01:54:35

    This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!

  • Kimberley 2022.12.02 09:07:33

    It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.

  • Nick 2022.12.02 05:37:38

    Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,

  • Cora 2022.12.27 01:51:40

    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.

  • Pandora 2022.12.25 17:12:06

    Hope that the company could stick to the enterprise spirit of Quality, Efficiency, Innovation and Integrity, it will be better and better in the future.

  • Marguerite 2022.12.15 17:50:02

    A good manufacturers, we have cooperated twice, good quality and good service attitude.

  • Naomi 2022.12.11 21:19:04

    The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.

  • Meroy 2022.12.11 08:26:59

    As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!

  • Alexia 2022.12.05 20:14:56

    This supplier stick to the principle of Quality first, Honesty as base, it is absolutely to be trust.

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