東京鋲兼 List of Products and Services

"Asfa(R) WP" is a new concept waterproof screw that incorporates a flat washer in addition to an O-ring located under the neck. Since the O-ring can be positioned on the outer circumference of the screw head, it maintains stable waterproof performance even if there is a shift in the fastening component. Moreover, it ensures sufficient contact surface, allowing for fastening with higher axial force without causing the fastening component to sink. Additionally, in the automatic screw tightening process, the flat washer (metal) makes contact with the chute rail of the screw feeding machine, enabling smooth transportation. **Features of Asfa(R) WP** - It exhibits stable waterproof performance with minimal influence from the positional shift of the fastening component. - By reducing the sinking of the fastening component, it allows for fastening with higher axial force. - The contact of the flat washer with the chute rail in the automatic screw tightening process enables smooth transportation. *For more details, please refer to the PDF document or feel free to contact us.*

The "Cup Screw(R) / Cup Bolt(TM)" is a product that integrates a spring washer and flat washer into a single molded component. 【Features of Cup Screw(R) / Cup Bolt(TM)】 ■ It is expected to reduce weight and costs by replacing screws/bolts with integrated washers. ■ The cup shape and the flat surface of the flange ensure reliable and stable grounding. ■ The elastic effect of the flange absorbs deformation of the mating material. ■ By achieving a large friction diameter, it exhibits a high anti-loosening effect against vibrations and temperature changes. *For more details, please refer to the PDF document or feel free to contact us.