1.size:M5--M64 1/4-2''
2.length:10-500mm
3.DIN 934 GB52 GB6170 GB6172
4.304 316 201/Q215Q23545#

1,deliver time:20-30 days that is depends on your order

2,the min order is 1000pcs

3,the shaped bolt is could be design and produce

4,the real manufacture supply the fasteners for you directly