Stainless steel + hexagon upset bolt with spring washer and large flat washer included.
Stainless steel + hexagon upset bolt with spring washer and large flat washer included.
The head has a hexagonal shape with a cross hole. It can be tightened using either a screwdriver, spanner, or wrench. The washer does not come off the screw, which eliminates the hassle of setting the washer and improves work efficiency. It is also referred to as a Sems screw. It is compliant with EU-RoHS standards.
- Company：ウィルコ
- Price：Other
