1.
High strength bolts with large hexagon head for steel structures
GB/T1228-1991钢结构用高强度大六角头螺栓
2.
counterbore for hexagon socket head bolt
内六角头螺栓埋头孔
3.
Hexagon head bolts-Product grade C
GB/T5780-1986六角头螺栓--C级
4.
Hexagon head bolts-Full thread-Product grade C
GB/T5781-1986六角头螺栓--全螺纹--C级
5.
Hexagon head bolts-Fine pitch thread-Full thread-Product grades A and B
GB/T5786-1986六角头螺栓--细牙--全螺纹--A和B级
6.
Hexagon head bolts-Full thread-Product grades A and B
GB/T5783-1986六角头螺栓--全螺纹A和B级
7.
" Bolts, small hexagon head with fit neck and hole through the shank"
GB/T24-1976小六角头螺杆带孔导颈螺栓
8.
" Bolts, small hexagon head with hole through the shank"
GB/T23-1976小六角头螺杆带孔螺栓
9.
Hexagon bolts with split pin hole on shank--Product grade A and B
GB/T31.1-1988六角头螺杆带孔螺栓A和B级
10.
Hexagon bolts with split pin hole on shank--Reduced shank--Product grade B
GB/T31.2-1988六角头螺杆带孔螺栓细杆B级
11.
Fasteners--Counterbores for hexagon bolts and nuts
GB/T152.4-1988紧固件六角头螺栓和六角螺母用沉孔
12.
Hexagon bolts with wire holes on head--Reduced shank--Product grade B
GB/T32.2-1988六角头头部带孔螺栓细杆B级
13.
" Bolts, small hexagon head with fit neck and holes through the head"
GB/T26-1976小六角头头部带孔导颈螺栓
14.
Hexagon bolts with wire holes on head--Product grade A and B
GB/T32.1-1988六角头头部带孔螺栓A和B级
15.
Hexagon bolts with slot on head--Product grade A and B
GB/T29.1-1988六角头头部带槽螺栓A和B级
16.
" Bolts, small hexagon head with holes through the head"
GB/T25-1976小六角头头部带孔螺栓
17.
Cross recessed hexagon bolts with indentation
GB/T29.2-1988十字槽凹穴六角头螺栓
18.
Hexagon head bolts-Reduced shank-Product grade B
GB/T5784-1986六角头螺栓--细杆B级