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★★现货美制塞打螺钉12.9级合金钢、内六角凸肩螺丝:

依据标准：ANSI/ASME B18.3

直径范围:￠1/4--￠１";长度范围:1/2--8".

规格:直径(对应尾部螺纹)*光杆长度,

M1/4(3/16-24牙)*长1/2-,5/8,3/4,1",1-1/4,1-1/2,1-3/4,2",2-1/4,2-1/2,2-3/4,3",3-1/2,4".

M5/16(1/4-20牙)*长5/8,3/4,1",1-1/4,1-1/2,1-3/4,2",2-1/4,2-1/2,2-3/4,3",3-1/4,3-1/2,4".

M3/8(5/16-18牙)*长5/8,3/4,1",1-1/4,1-1/2,1-3/4,2",2-1/4,2-1/2,2-3/4,3",3-1/4,3-1/2,4",4-1/2,5".

M1/2(3/8-16牙)*长3/4,1",1-1/4,1-1/2,1-3/4,2",2-1/4,2-1/2,2-3/4,3",3-1/4,3-1/2,4",4-1/2,5",5-1/2,6,6-1/2,7".

M5/8(1/2-13牙)*长1",1-1/4,1-1/2,1-3/4,2",2-1/4,2-1/2,2-3/4,3",3-1/4,3-1/2,4",4-1/2,5",5-1/2,6,6-1/2,7".7-1/2,8".

M3/4(5/8-11牙)*长1-1/4,1-1/2,1-3/4,2",2-1/4,2-1/2,2-3/4,3",3-1/4,3-1/2,4",4-1/2,5",5-1/2,6,6-1/2,7".7-1/2,8".

M1"(3/4-10牙)*长1-1/4,1-1/2,1-3/4,2",2-1/4,2-1/2,2-3/4,3",3-1/4,3-1/2,4",4-1/2,5",5-1/2,6,6-1/2,7".7-1/2,8".