Cup head square neck bolts
GB/T12-1988半圆头方颈螺栓
strong oval head square neck bolt
加强半圆头方颈螺栓
Cup head square neck bolts with large head--Product grade C
GB/T14-1998大半圆头方颈螺栓C级
Strengthened cap head square neck bolts
GB/T794-1993加强半圆头方颈螺栓
Cup head square neck bolts with small head and short neck--Product grade B
GB/T801-1998小半圆头低方颈螺栓B级
" Bolts,round head with oval neck"
GB/T8262-1987圆头椭圆颈螺栓
Cup head nib bolts
GB/T13-1988半圆头带榫螺栓
Flat countersunk square neck bolts
GB/T10-1988沉头方颈螺栓
Radii under the head of bolts and screws
GB/T3105-1982螺栓和螺钉的头下圆角半径
Cup head nib bolts with large head
GB/T15-1988大半圆头带榫螺栓
brass bolts and nuts with round head
黄铜圆头螺栓和螺母
" 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
A bolt having a looped head designed to receive a hook or rope.
有眼螺栓带有圆圈头的螺栓,用来接钩子或绳子
" 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
Square head bolts--Product grade C
GB/T8-1988方头螺栓C级
Square head bolts with small head--Product grade B
GB/T35-1988小方头螺栓B级
square collar-head set-bolt
方头凸缘端紧定螺栓
" Bolts, small hexagon head with fit neck"
GB/T22-1976小六角头导颈螺栓