It is used for M12 bolts, anchor bolts, and gusset bolts.
【Features】 ■ The integrated washer and spring washer improve work efficiency. ■ You can easily check if the nut has been forgotten to be tightened. 【Product Description】 ■ Material: Round seat part JIS G 3131 (hot-rolled mild steel sheet and 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-KT026 *Note: Please install with the side that has the spring washer facing the nut. Tags: Daidohant, washer, hardware, bolt, washer, work efficiency, wooden construction *For more details, please refer to the PDF document or feel free to contact us.
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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.