SEMS screws are screws that can have one or more flat or lock washer under the head already assembled. The screw can be machine screw and self tapping screw. With washers under the head, SEM fasteners allow for fast installation, permanence, and easy adaptability to many applications. When using SEMS machine screws, there’s no need to worry about the washer going missing; this, in turn, helps extend product life and ensure reliable performance.
Types of SEMS Screws Available:
- Pan Head SEMS Screw
- Hex Head SEMS Screw
- Hex Washer Head SEMS Screw
- Other Heads as per drawings
Washers Available:
- Internal Washer
- External Washer
- Conical Washer
- A split lock washer and a flat washer
- Other washers as per drawings
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