セルフ・タッピング金属ねじ
等級8.8の電流を通されたTorxソケット鍋のヘッド糸の圧延ねじ/三角形のThreadScrewセルフ・タッピングDIN7500のPE
Grade 8.8 Galvanized Torx Socket Pan Head Thread Rolling Screw/ Triangle Thread self Tapping Screw DIN7500 PE Triangle thread self-tapping screw, also known as self-tapping thread rolling screw, or triangle thread screw, national standard GB6560. It refers to the self-tapping screw tail is ...
