I work directly with engineers and buyers to supply {Hex Socket Head Cap Screws M4} that stay accurate under heavy use. As a {Manufacturer} in {China}, I can offer competitive prices, short lead times, and reliable shipments for bulk orders. These M4 screws are made from high-grade steel, with heat-treated cores and precision rolled threads for smooth operation. Optional coatings like black, zinc, or stainless finishes increase corrosion resistance in harsh environments. I can customize packaging, from bulk boxes to blister packs, to fit your line-side needs. Our QC includes dimensional checks, hardness testing, and surface finish control, so you get consistent quality every time. Perfect for automation, machinery, and electronics assemblies. If you need samples or a quote, I’ll respond quickly and align with your production schedule. Let me be your dependable sourcing partner for {China} sourced {Manufacturer} grade fasteners.
Hex Socket Head Cap Screws in M4 offer compact strength for electronics, automation, and machinery. Made from high‑strength steel and finished with zinc plating or black oxide, they are heat‑treated to deliver reliable shear and tensile performance in tight spaces, resisting corrosion where electronics and equipment live. From material selection and precision machining to quality control and packaging, the end‑to‑end solution covers every step. Rigorous inspection, traceable production records, and compliance with RoHS/REACH standards help global buyers reduce risk while maintaining consistent quality and on‑time delivery. Manufactured in a major southern China hub, the supplier combines scalable capacity with streamlined logistics to support single‑piece to high‑volume orders. By consolidating procurement under one partner, buyers can simplify sourcing, shorten lead times, and ensure reliable performance across global applications. Request a sample and datasheet to compare.
| Variant | Material | Grade | Finish/Coating | Standard | Thread | Length (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Approx. Weight (g) | Typical Applications |
|---|---|---|---|---|---|---|---|---|---|---|
| Variant 1 | Alloy steel (C45E) | 8.8 | Zinc plated | DIN 912 / ISO 4762 | M4 x 0.70 | 12 | 800 | 640 | 1.18 | General mechanical assemblies |
| Variant 2 | Stainless steel | 304 (A2) | Passivated | ISO 4762 / DIN 912 | M4 x 0.70 | 16 | 520 | 205 | 1.60 | Household appliances, corrosion-prone environments |
| Variant 3 | Alloy steel | 10.9 | Black oxide | DIN 912 / ISO 4762 | M4 x 0.70 | 20 | 1000 | 900 | 1.98 | Heavy machinery, high-torque applications |
| Variant 4 | Stainless steel | 316 | Passivated | ISO 4762 / DIN 912 | M4 x 0.70 | 10 | 515 | 205 | 0.95 | Marine, chemical, corrosive environments |
| Variant 5 | Alloy steel | 8.8 | Zinc-nickel | DIN 912 / ISO 4762 | M4 x 0.70 | 30 | 800 | 640 | 2.95 | Precision machinery, electronics housings |