self-tapping screws m3 - China Manufacturer
I'm a China-based manufacturer who focuses on fasteners, and I’m excited to offer our self-tapping screws m3 to skilled buyers like you. Our line is designed for quick assembly in electronics, automotive, and enclosure projects. The self-tapping screws m3 feature a sharp point and cutting threads that form their own mating thread in metal or plastic, eliminating pre-drilling in many applications. We provide material options such as plain carbon steel with zinc plating for corrosion resistance, or stainless steel for harsher environments. Sizes range in length from 6mm to 12mm, with options for Phillips pan head, hex socket, or button head. Tolerances meet standard industry specs, ensuring consistent performance in high-volume production. Being a China-based Manufacturer, we offer competitive pricing, short lead times, and dedicated QA. If you want reliable, scalable fastening solutions for your OEM or distribution channel, let's talk about your needs and how our self-tapping screws m3 can fit.
self-tapping screws m3 Application Guarantees Peak Performance
For electronics assembly, self-tapping screws M3 offer fast, secure connections without pre-drilling. They cut their own threads in soft metals and plastics, delivering consistent engagement and good torque transfer in compact enclosures and panels where space is limited. Choose the right material and finish to guarantee peak performance: stainless steel for corrosion resistance, zinc or black oxide coatings to reduce wear, and appropriate head styles for flush mounting. Correct pilot holes and controlled torque, combined with go/no-go gauges and batch testing, ensure reliable seating and long life. Global buyers value standardized M3 screws for true interchangeability across factories and suppliers. Look for traceable lots, ISO/RoHS compliance, and scalable packaging. With consistent quality and dependable supply, assemblies meet performance and warranty expectations in electronics, automotive interiors, and industrial equipment worldwide.
{ self-tapping screws m3 Application Guarantees Peak Performance}
| Size (M x L) | Material | Head Type | Drive Type | Length (mm) | Tensile Strength (MPa) | Coating | Torque Range (Nm) | Notes |
|---|---|---|---|---|---|---|---|---|
| M3 x 4 | Stainless steel A2-70 (304) | Pan head | Phillips | 4 | 500-700 | Zinc plated | 0.7-0.9 | Light-duty electronics enclosures |
| M3 x 6 | Carbon steel (C1010 / C1018) | Pan head | Phillips | 6 | 480-600 | Zinc plated | 0.9-1.2 | General-purpose panel assembly |
| M3 x 8 | Stainless steel A2-70 (304) | Flat head | Phillips | 8 | 520-700 | Nickel plating | 0.6-0.8 | Flush metal-to-metal fastening in thin sheets |
| M3 x 10 | Carbon steel (C1010 / C1018) | Hex washer head | Hex socket | 10 | 500-650 | Zinc plated | 1.1-1.3 | Thicker panels and supports |
| M3 x 12 | Carbon steel, zinc plated | Pan head | Phillips | 12 | 350-550 | Zinc plated | 1.0-1.2 | General interior automotive panels |
| M3 x 16 | Stainless steel 304 | Pan head | Phillips | 16 | 520-700 | Uncoated stainless | 1.2-1.4 | Outdoor or corrosive environments |
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