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M4 x 20mm Socket Countersunk Screws Cheap Pricelist

I’m here to streamline your hardware sourcing with m4 x 20mm socket countersunk screws that deliver flush mounting and strong joints. Crafted from high‑quality steel with dependable coatings, these screws resist corrosion and stay secure in a variety of environments. I can offer bulk packs, varying head styles, and compatible drive types to suit your assembly line. For B2B buyers, I’m listing a Cheap price level and a clear Pricelist so you can compare quotes quickly and confidently. Whether you’re finishing indoor panels or outdoor enclosures, these screws provide reliable performance and easier installation with a standard driver. Lead times are short, and I can arrange mixed sizes if needed. I’ll tailor the offer to your project specs, including packaging, minimum order quantities, and delivery terms. Reach out for an up‑to‑date Pricelist and samples, and I’ll get you precise quotes fast.

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m4 x 20mm socket countersunk screws Trusted by Pros Factory-Direct Excellence

Designed for professional assemblies, M4 x 20mm socket countersunk screws deliver a clean, flush finish with dependable clamping force. The M4 thread fits standard metric hardware, with a 0.7 mm pitch, and a 20 mm shaft length suitable for electronics enclosures and lightweight machinery. The socket drive reduces protrusion during installation, while the countersunk head sits flush to minimize snagging and improve aesthetics. Finish choices include zinc-plated steel for cost efficiency, black oxide for low-visibility hardware, or stainless steel for enhanced corrosion resistance in humid or outdoor environments. Precision manufacturing ensures tight tolerances, consistent head height, and smooth thread starts, meeting DIN/ISO standards. Sourcing from a direct manufacturer helps keep batch quality consistent, shorten lead times, and stabilize global supply for procurement teams. Suitable for electronics, controls, enclosure assembly, and furniture hardware, these screws offer reliable performance under varied conditions. Standardized dimensions and scalable packaging support everything from sampling to bulk orders, with traceable production data and compliant finishes to meet regional requirements.

{ m4 x 20mm socket countersunk screws Trusted by Pros Factory-Direct Excellence}

Item Code Material Finish Thread Size Length (mm) Head Type Drive Type Tensile Strength (MPa) Compliance
M4-20-CSS-01 Stainless Steel A2-70 Plain M4 x 0.7 20 Countersunk Hex Socket 650 DIN 7993; ISO 10642
M4-20-CSS-02 Stainless Steel A4-70 Satin M4 x 0.7 20 Countersunk Hex Socket 800 DIN 7993; ISO 898-1
M4-25-CSS-03 Carbon Steel 1018 Zinc Plated M4 x 0.7 25 Countersunk Hex Socket 450 DIN 7985; ISO 10642
M4-30-CSS-04 Stainless Steel A2-70 Bright Nickel M4 x 0.7 30 Countersunk Hex Socket 620 DIN 7993; ISO 10642
M4-15-CSS-05 Stainless Steel A2-70 Passivated M4 x 0.7 15 Countersunk Hex Socket 600 DIN 7993; ISO 3506

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m4 x 20mm socket countersunk screws Manufacturers You Can Rely On Custom Solutions,

Production and Quality Trend Analysis for M4 x 20mm Socket Countersunk Screws

This dataset presents a month-by-month view of production volume for M4 x 20mm socket countersunk screws (in thousands of units) alongside the corresponding defect rate (as a percentage). The line chart uses two vertical scales to compare output with quality without forcing a single-unit scale, enabling an integrated view of how manufacturing throughput and process control interact over time. Observing the production line, there is a general upward trajectory through the first two-thirds of the year, peaking around month eight to month nine, followed by a mild decline toward the end of the year. The defect-rate line shows a gradual decrease as production ramps up, suggesting process stabilization and improved control—common when ramping up lines and refining assembly steps. However, there are intermittent fluctuations in defect rate that correspond to periods of increased output, supplier changes, or batch-specific adjustments, underscoring the ongoing need for robust QA checks during scale-up phases. The dual-axis approach helps stakeholders quickly assess whether higher production coincides with deteriorating quality or whether quality improvements keep pace with throughput. In this scenario, the data imply that the organization was able to raise output while maintaining or slightly reducing defect levels, indicating effective process improvements, tooling calibration, and perhaps improved supplier performance. The chart can support continuous improvement discussions, such as implementing tighter SPC (statistical process control) controls, reinforcing inspection at critical process steps, or planning preventive maintenance to minimize downtime during peak production months. For future planning, teams might aim to exceed 1,100 thousand units monthly with a sustained defect rate below 1.5%, balancing capacity expansion with rigorous quality management. Such analyses inform custom-solutions decisions around tooling, tolerances, and process workflows to maintain high reliability in high-volume manufacturing.

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  • Marcie Green 2022.12.25 20:07:02

    This company has the idea of better quality, lower processing costs, prices are more reasonable, so they have competitive product quality and price, that's the main reason we chose to cooperate.

  • Cora 2022.12.19 07:17:17

    Speaking of this cooperation with the Chinese manufacturer, I just want to saywell dodne, we are very satisfied.

  • Elva 2022.12.15 13:48:32

    The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.

  • Quintina 2022.12.08 23:31:08

    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.

  • Leona 2022.12.07 02:07:32

    This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.

  • Belle 2022.12.06 06:58:23

    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.

  • Jean 2022.12.27 12:30:50

    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.

  • Frederica 2022.12.24 15:42:33

    We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!

  • Lydia 2022.12.18 15:40:57

    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!

  • Ruby 2022.12.16 11:38:08

    This company has the idea of better quality, lower processing costs, prices are more reasonable, so they have competitive product quality and price, that's the main reason we chose to cooperate.

  • Christopher Mabey 2022.12.14 09:50:44

    Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!

  • Geraldine 2022.12.10 18:49:37

    In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!

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