🔩 Hex Phillips SEM Screw – Pre-Assembled Washer Screw with Hex Head + Cross Drive | Neo Fasteners
Hex Phillips SEM Screws are specially engineered pre-assembled fasteners that combine the convenience of a hexagonal head with an integrated Phillips cross slot, along with one or more captive washers (plain, spring, or tooth lock). The combination head allows installation by spanner, socket, or Phillips screwdriver, making it ideal for production environments where versatility and speed are essential.
Neo Fasteners offers a full range of Hex Phillips SEM Screws in MS, SS, brass, and custom materials, tailored for electrical, automotive, appliance, and industrial use.
🛠️ Key Features
- Dual Drive Head: Hexagonal external and Phillips internal drive
- Pre-Assembled Washer(s): Prevents loss, speeds up installation
- Time-saving for assembly lines and service operations
- Uniform threading and smooth finish for consistent performance
- Ideal for applications requiring torque flexibility (manual + power tools)
📐 Available Sizes – Metric
| Thread Size | Thread Pitch | Hex Size (Across Flats) | Washer OD | Length Range |
|---|---|---|---|---|
| M3 | 0.5 mm | 5.5 mm | 6.5–7.5 mm | 6–30 mm |
| M4 | 0.7 mm | 7.0 mm | 8.5–9.5 mm | 6–40 mm |
| M5 | 0.8 mm | 8.0 mm | 10–12 mm | 8–50 mm |
| M6 | 1.0 mm | 10.0 mm | 12–14 mm | 10–60 mm |
Larger sizes (M8, M10, etc.) available on order.
Imperial sizes and UNC/UNF threads also available.
🧱 Material Options
- Mild Steel (MS) – Economical and versatile
- Stainless Steel SS 202 / SS 304 / SS 316 – Corrosion-resistant
- Brass (Natural or Nickel Plated) – Non-corrosive, ideal for electrical
- Nylon (on request) – Lightweight, non-conductive
🎨 Finish Options
| Finish Type | Use & Features | Color/Look |
|---|---|---|
| Zinc Plated (White) | General indoor applications | Bright silver |
| Zinc Yellow | Corrosion-resistant, electronics | Golden/yellow |
| Black Oxide | Clean look, non-reflective | Black matte |
| Nickel/Chrome Plated | Decorative and anti-rust | Glossy silver |
| SS Passivated | Long-life in harsh environments | Silver natural |
All finishes available RoHS compliant.
🔩 Washer Types Assembled
- Plain Washer – Increases load-bearing surface
- Spring Washer – Anti-vibration & locking function
- External/Internal Tooth Washer – Anti-slip locking
- Combination Washer (Plain + Spring)
- Fibre/Nylon Washer – Optional for insulation
🔧 Drive Configuration
- Hex Head (Across Flats): 5.5 mm to 10 mm standard
- Phillips Drive: PH1, PH2, PH3 depending on size
- Tool Compatibility: Socket, spanner, screwdriver, electric drivers
⚙️ Thread Types Available
- Metric (Coarse / Fine) – DIN / ISO standard
- UNC, UNF, BSW (on request)
- Self-tapping Hex SEM Screws also available
📦 Packaging
- Standard packs: 100 / 500 / 1000 pcs
- OEM branding, barcode, and box labeling
- Bulk export packaging: Corrugated cartons or pallets
- Material Test Certificates (MTC) provided on request
- RoHS & ISO 9001:2015 Certified Quality Systems
🧰 Common Applications
- Electrical panels & terminals
- Household appliances (refrigerators, fans, lights)
- Automotive clamps and panels
- Enclosure assembly
- Furniture and plastic casing joints
- Machine service & repair kits
✅ Standards Followed
- DIN 6921 / ISO 7045 + Washer Variant
- DIN 7985 Modified (Combi head)
- DIN 6900 SEM Standard (Captive Washers)
📞 Contact Neo Fasteners
📧 Email: neofasteners@yahoo.com
📞 Call/WhatsApp: +91-96328 07665
🌐 Websites:
🔗 neofasteners.com (Google Site)
📍 Location: Bengaluru, Karnataka, India