Flat Head Thread Forming Screw for Plastic - Wholesale Manufacturers
For serious manufacturing teams, I provide the Flat Head Thread Forming Screw for Plastic that keeps pace with high-volume assembly. I work with Wholesale channels and with Manufacturers to meet scale and spec. These screws form threads in plastic, eliminating pre-tap and delivering a flush, secure finish with the flat head. Made from durable steel with corrosion resistance, they reduce risk of cracking and stripping in tough plastics. I offer customization on diameter, length, and drive type, plus reliable factory-direct pricing and short lead times. Partner with me for consistent tolerances, streamlined procurement, and a service level that keeps your production moving.
Flat Head Thread Forming Screw for Plastic Dominates Guarantees Peak Performance
Flat head thread forming screws for plastics are reshaping fastener performance in assemblies where flush surfaces, strong threads, and quick assembly matter most. By forming threads directly in the polymer, they deliver high clamping force, excellent pull-out resistance, and reduced insert time compared with traditional tapping screws. The countersunk head sits flush on the surface, minimizing snagging and enabling clean aesthetics in electronics housings, automotive interiors, appliances, and consumer devices. Finished in zinc, black oxide, or specialized coatings, these screws combine corrosion protection with smooth drive performance in challenging environments. For global buyers, consistent quality and reliable supply are as important as the design itself. Look for suppliers with robust tooling, controlled processes, and documented performance data—pull-out and shear tests, pilot hole recommendations, and material compatibility with nylon, glass-filled polymers, or PC/ABS blends. A trusted partner will offer clear tolerances, scalable MOQs, packaging options, and realistic lead times that align with your production schedules, ensuring your assemblies meet peak performance and durability across varying climates.
| Product Code | Material | Coating | Head Style | Drive Type | Diameter (mm) | Length (mm) | Thread Pitch (mm) | Thread Forming | Tensile Strength (MPa) | Insertion Torque (N·m) | Suitable Plastics | Certifications | Temperature Range (C) | Mold Life (cycles) | Description |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PL-SF-4.0x12 | Stainless Steel (A2-70) | None | Flat Head | Phillips #2 | 4.0 | 12 | 0.8 | Self-Forming | 570 | 2.5 | Nylon 6/6; Nylon 6 | ISO 9001 | -20 to 85 | 100k | General-purpose with strong retention in common PC/ABS blends |
| PL-SF-3.5x10 | Stainless Steel (A2-70) | Zinc Plating | Flat Head | Phillips #1 | 3.5 | 10 | 0.75 | Self-Forming | 520 | 1.95 | Nylon 12; PBT | ISO 9001; RoHS | -20 to 85 | 120k | Optimized for mid-wall thickness in consumer housings |
| PL-SF-3.0x8 | Stainless Steel (A2-70) | None | Flat Head | Slot | 3.0 | 8 | 0.6 | Self-Forming | 480 | 1.75 | Nylon 6/6; PC | ISO 9001 | -20 to 90 | 90k | Compact design for tight tolerances in small assemblies |
| PL-SF-4.2x14 | Stainless Steel (A4-70) | Zinc Plating | Flat Head | Phillips #2 | 4.2 | 14 | 0.9 | Self-Forming | 600 | 3.0 | Polypropylene; ABS | ISO 9001; RoHS | -15 to 95 | 150k | Excellent performance in high-temperature PC blends |
| PL-SF-2.8x6 | Stainless Steel (A2-70) | None | Flat Head | Torx T6 | 2.8 | 6 | 0.5 | Self-Forming | 420 | 1.2 | ABS; PC-ABS | UL 94 V-2 | -20 to 80 | 70k | Low-profile variant for slim electronic enclosures |
| PL-SF-5.0x20 | Stainless Steel A2-70 | None | Flat Head | Phillips #3 | 5.0 | 20 | 1.2 | Self-Forming | 700 | 4.5 | Polycarbonate; Nylon 66 | ISO 9001; RoHS | -20 to 100 | 200k | Heavy-duty variant for larger plastic assemblies |
| PL-SF-3.5x16 | Stainless Steel (A2-70) | Zinc Plating | Flat Head | Phillips #2 | 3.5 | 16 | 0.8 | Self-Forming | 550 | 2.4 | PC; PC-ABS | ISO 9001 | -20 to 80 | 110k | Balanced strength for automotive interior trims |
| PL-SF-4.0x8 | Stainless Steel A4-70 | None | Flat Head | Hex Socket (Allen) #2 | 4.0 | 8 | 0.8 | Self-Forming | 580 | 2.0 | Nylon 6; PC | RoHS; ISO 9001 | -20 to 90 | 85k | Short-length variant for compact devices |
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