1.
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
2.
Hexagon fit bolts with Split pin hole on shank--Product grade A and B
Gb/T28-1988六角头螺杆带孔铰制孔用螺栓A和bb>级b>
3.
counterbore for hexagon socket head bolt
内六角头螺栓埋头孔
4.
Hexagon fit bolts--Product grade A and B
Gb/T27-1988六角头铰制孔用螺栓A和bb>级b>
5.
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
6.
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
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--Reduced shank--Product grade B
GB/T31.2-1988六角头螺杆带孔螺栓细杆B级
10.
Hexagon bolts with split pin hole on shank--Fine pitch thread--Product grade A and B
GB/T31.3-1988六角头螺杆带孔螺栓细牙A和B级
11.
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
12.
" 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
13.
" Bolts, small hexagon head with holes through the head"
GB/T25-1976小六角头头部带孔螺栓
14.
Hexagon bolts with wire holes on head--Fine pitch thread--Product grade A and B
GB/T32.3-1988六角头头部带孔螺栓细牙A和B级
15.
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
16.
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
17.
Hexagon head bolts-Product grade C
GB/T5780-1986六角头螺栓--C级
18.
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