Flat seat gold 300HV <JIS B 1256:2008 standard>
Material uses S45C to S55C (domestic material)! It is recommended to combine with screw part strength classification 10.9.
We would like to introduce the "Flat Washer 300HV" handled by Sanwa Ai. It prevents the nut or bolt head from sinking into the joined material. When the hole diameter is larger than the bolt diameter, it can be used to stabilize the seating surface. The material used is S45C to S55C (domestic material), and it undergoes bright quenching and tempering heat treatment. 【Features】 ■ JIS B 1256:2008 ■ Recommended for combination with screw part strength classification 10.9 (JIS B 1061:2020) ■ Marked with hardness classification 300HV ■ Compatible with mill sheets and inspection certificates *For more details, please refer to the PDF document or feel free to contact us.
- 企業：サンワ・アイ
- 価格：Other
