My company has stock bolts about ANSI,the specifications as belows,welcome to send email to us. Standard ANSI/ASME18.2.1 SIZE surface 3/8-16 x 4-1/2 , ZP 3/8-16 x 5 , ZP 1/2-13 x 5 , ZP 1/2-13 x 7-1/2 , ZP 1/2-13 x 7-1/2 , ZP 1/2-13 x 8-1/2 , ZP 1/2-13 x 8-1/2 , ZP 1/2-13 x 9 , PHOSOPHATE &OIL 5/8-11 x 3/4 , zp 5/8-11 x 2 , Phosphate &oil 5/8-11 x 2-1/4 , plain 5/8-11 x 2-3/4 , zp cr3+ 5/8-11 x 3-1/4 , zp cr3+ 5/8-11 x 3-3/4 , zp cr3+ 5/8-11 x 4-1/4 , zp cr3+ 5/8-11 x 4-3/4 , zp cr3+ 5/8-11 x 5-1/4 , zp 5/8-11x5-1/2 , yzp 5/8-11 x 5-1/2 , zp 5/8-11 x 5-3/4 , zp 5/8-11 x 6-1/4 , zp 5/8-11 x 6-1/2 , zp 5/8-11 x 7-1/2 , zp 5/8-11 x 7-1/2 , zp 5/8-11 x 8 , zp cr3+ 5/8-11 x 8 , zp 5/8-11 x 9 , zp 5/8-11 x 9 , zp 5/8-11 x 9-1/2 , zp 5/8-11 x 14 , zp cr3+ 3/4-10 x 1 , zp 3/4-10 x 1-1/4 , zp 3/4-10 x 2-1/8 , zp cr3+ 3/4-10 x 2-5/8 , zp cr3+ 3/4-16 x 2-3/4 , zp 3/4-10 x 2-3/4 , zp cr3+ 3/4-10 x 3-1/4 , zp cr3+ 3/4-10 x 3-3/4 , zp 3/4-10 x 4-3/4 , zp cr3+ 3/4-16 x 6-1/4 , zp 3/4-10 x 6-1/2 , plain 3/4-10 x 7 , plain 3/4-10 x 7 , zp 3/4-10 x 7-1/4 , zp 3/4-10 x 7-1/2 , zp 3/4-10 x 7-1/2 , plain 3/4-10 x 8 , zp cr3+ 3/4-10 x 8 , plain 3/4-10 x 8-1/2 , zp cr3+ 3/4-10 x 8-1/2 , plain 3/4-10 x 8-1/2 , zp cr3+ 3/4-10 x 9 , zp 3/4-10 x 9-1/2 , zp cr3+ 3/4-10 x 10 , zp cr3+ 3/4-10 x 10-1/2 , zp cr3+ 3/4-10 x 11 , zp 3/4-10 x 12 , zp 7/8-9 x 2-1/2 , zp 7/8-9 x 3-1/2 , zp 7/8-9 x 4-1/2 , zp 7/8-9 x 5 , zp 7/8-9 x 6 , zp 7/8-9 x 6-1/2 , zp 7/8-9 x 8 , zp cr3+ 7/8-9 x 10 , zp 7/8-9 x 13-1/2 , zp cr3+ 1-8 x 5 , zp 1-8 x 5-1/2 , zp 1-8 x 10 , zp 1-8 x 11 , zp 1-8 x 12 , zp 1-8 x 12-1/2 , zp cr3+ 1-8 x 13-1/2 , zp cr3+ 1-1/8-7X4 , yzp 1-1/8-7 x 6 , zp 1-1/8-7 x 10 H , zp 1-1/4-7 x 6 , zp 1-1/4-7 x 7-1/2 , zp 1-1/4-7 x 8 , zp 1-1/2-6 x 7-1/2 , zp 3/4-10 x 1-3/4 , zp cr3+ 3/4*4 1/2 , zp 1.1/8-7UNCX7.1/2 , yzp Attn：vice-general manager:Ms WangYuHua, salesman:DongQian E-MAIL:dongqianqian@star-fastener.com Tel.：0531-87881740 87896305 Fax.：0531-87871032