1). Material: Carbon steel / Stainless steel
2). Grade: Class 4.8 / class 6.8 / class 8.8 / class 10.9
3). Drive: Phil / pozi / torx / slotted / square / hexagon socket, etc
4). Thread: Full thread, half thread, etc
5). Point: Sharp point, blunt point, etc
6). Surface Treatment: Zinc plated / ruspert / phosphated / painted / plain, etc
7). Package: Small package or bulk, according to customers' requirement
8). Standard: DIN / ANSI / JIS / IFI
9). Size: M2.9~M10, 6mm-75mm