Complaint
Sems screws are screws with lock washers pre-attached to save users assembly time. They combine two or three separate parts into one pre-assembled, low cost fastener. With washers under the head, Sem fasteners allow for fast installation, permanence, and easy adaptability to many applications. The flat washer distributes holding pressure and protects delicate surfaces from damage while the split lock washer adds tension to prevent loosening from small amounts of vibration. The washers rotate freely but are permanently attached. When res using crews sems to worry about the washer going missing; this, in turn, helps extend product life and ensure reliable performance.
Types of Sems Screws Available:
Washers Available:
| Product Name | Pan Head Torx Screws with Flat Washer and Split Spring Lock Washer |
| Material | Stainless Steel(304,316),etc. |
| Finish | Anodizing,Bronze Coated,Cadmium Plated,Chrome Plated,Dacromet Coated,Hot Dipped Galvanized,Nickel Plated,Passivated,Plain,Tin Plated,etc. |
| Standard | Specification meet standard GB, ANSI/ASME, DIN, ISO, BS, etc. |
| Size | M2-M12 |
| Thread Type | Coarse Thread, Fine Thread |
| Thread Length | 4mm-100mm |
