bolt circle (B.C.)

brass bolts and nuts with round head

黄铜圆头螺栓和螺母

a round-headed bolt for timber; threaded along part of the shank; inserted into holes already drilled.

加工木料用的圆头螺栓；部分连杆有螺纹；可以插入事先钻出的孔中。

Use a universal puller to separate the ball stud from the frame rail bracket.

用万能拉出器将圆头螺栓从车架横梁支架上拆下。

" 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

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

Radii under the head of bolts and screws

GB/T3105-1982螺栓和螺钉的头下圆角半径

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

Cup head square neck bolts with large head--Product grade C

GB/T14-1998大半圆头方颈螺栓C级

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

Strengthened cap head square neck bolts

GB/T794-1993加强半圆头方颈螺栓

Cup head nib bolts with large head

GB/T15-1988大半圆头带榫螺栓

double-screw bolt

螺柱，双头螺纹螺栓

A Bolt consists of a head and a cylindrical Body with screw threads along a portion of its length.

螺栓是一个带头部并在部分长度上有螺纹的圆柱体。

B.C.D. of anchor (foundation) bolts

地脚螺栓中心圆直径

Lower Ball Stud Remove/Install

上圆顶螺栓拆卸/安装

Remove the upper and lower ball stud nuts.

拆卸上、下圆顶螺栓。