1.
" Bolts, small hexagon head with hole through the shank"
GB/T23-1976小六角头螺杆带孔螺栓
2.
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
3.
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
4.
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
5.
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
6.
" Bolts, small hexagon head with holes through the head"
GB/T25-1976小六角头头部带孔螺栓
7.
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
8.
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
9.
" 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
10.
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>
11.
" 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
12.
a safety harness, bolt
安全带、 保险螺栓.
13.
eye bolt link hanger
眼孔螺栓连结摇枕吊
14.
To drive(a screw or bolt)into a countersink.
将钻或螺栓置入埋头孔
15.
The holes for the Bolts register perfectly.
螺栓的孔眼完全合适。
16.
bolt or cotter-pin drill
螺栓或开尾销孔钻头
17.
counterbore for hexagon socket head bolt
内六角头螺栓埋头孔
18.
Measuring Included Angle of Bolted Sphere's Threaded Hole:a Study by the Three-dimension Method
螺栓球螺栓孔夹角三坐标检测方法研究