
Screws
SEMS (Combination) Screws
Hextro supplies SEMS screws and combination screws from China, with custom washer combinations, material options, surface finishes, packaging support and QC coordination.
Specifications
- Available Materials
- Carbon steel, stainless steel, alloy steel and other specified materials according to application requirements.
- Surface Finish Options
- Zinc plating, nickel plating, black oxide, phosphate, Dacromet, zinc-nickel coating and other custom surface treatments.
- Common Applications
- Electrical equipment, control boxes, machinery assembly, metal parts, plastic assemblies, automotive components and OEM fastening projects.
- What We Need for Quotation
- Please send screw size, thread type, washer combination, material, surface finish, quantity, application details and drawings or samples if available.
- Related Products
- For washer-related fastening options, you may also review Split Lock Washers and Washers. Self-Tapping / Thread-Forming Screws are also available for sheet metal or plastic assembly requirements.
SEMS screws, also known as combination screws, are pre-assembled screw and washer components used to improve assembly efficiency, reduce missing washer issues and provide more consistent fastening performance.
Hextro supplies SEMS screws with different screw types, washer combinations, materials and surface finishes according to customer requirements. Common options include machine screws, self-tapping screws, spring washers, flat washers and customized washer assemblies.
Available Materials: Carbon steel, stainless steel, alloy steel and other specified materials according to application requirements.
Surface Finish Options: Zinc plating, nickel plating, black oxide, phosphate, Dacromet, zinc-nickel coating and other custom surface treatments.
Common Applications: Electrical equipment, control boxes, machinery assembly, metal parts, plastic assemblies, automotive components and OEM fastening projects.
What We Need for Quotation: Please send screw size, thread type, washer combination, material, surface finish, quantity, application details and drawings or samples if available.
Related Products: For washer-related fastening options, you may also review Split Lock Washers and Washers. Self-Tapping / Thread-Forming Screws are also available for sheet metal or plastic assembly requirements.



