The integrated seat and spring washer improve work efficiency.
**Features** - Used for M12 bolts, anchor bolts, and wing bolts. - You can easily check if the nut has been forgotten to be tightened at a glance. **Product Description** - Material: JIS G 3131 (Hot-rolled mild steel plate and steel strip) SPHC or equivalent material t=4.5 - Surface treatment: JIS H 8610 (Electro-galvanized) Ep-Fe/Zn8/CM2 - Performance test: House Plus Confirmation Inspection Co., Ltd. HP15-KT025 *Note: Please install with the side that has the spring washer facing the nut.* Tags: Daidohant, washer, hardware, bolt, washer, wooden construction, architecture, building materials, construction *For more details, please refer to the PDF document or feel free to contact us.*
Inquire About This Product
basic information
For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
Our company is engaged in the planning, design, and development of fastening products such as screws, nails, and bolts, as well as structural hardware used in wooden houses and solar mounting systems for solar power generation. We will continue to challenge ourselves to innovate while responding to our customers' needs in line with the changing times.