1.
spiral part of a screw
（螺钉的）螺旋部分.
2.
Tapping screws thread
GB/T5280-1985自攻螺钉用螺纹
3.
Screws that modify force and motion are known as power screws.
变换力和运动的螺钉为力螺钉。
4.
" Bolts, screws, nuts and accessories--Terminology and nomenclature"
GB/T3099-1982螺栓、螺钉、螺母及附件名词术语
5.
" Tolerances for fasteners--Bolts, screws and nuts"
GB/T3103.1-1982紧固件公差螺栓、螺钉和螺母
6.
Plastic diamond knurlhead screws
GB/T840-1988塑料滚花头螺钉
7.
Cross recesses for screws
GB/T944.1-1985螺钉用十字槽
8.
screw nail pointed with slotted heads, of iron or steel
槽头尖端螺钉,铁或钢制
9.
Slotted round head wood screws
GB/T99-1986开槽圆头木螺钉
10.
Slotted countersunk head screws
GB/T68-1985开槽沉头螺钉
11.
Knurled screws with small head
GB/T836-1988滚花小头螺钉
12.
Hexagon head tapping screws
GB/T5285-1985六角头自攻螺钉
13.
Slotted cheese head screws
GB/T65-1985开槽圆柱头螺钉
14.
Knurled thumb screws
GB/T834-1988滚花高头螺钉
15.
Dry wall screws
GB/T14210-1993墙板自攻螺钉
16.
Slotted raised countersunk head screws
GB/T69-1985开槽半沉头螺钉
17.
Slotted countersink head wood screws
GB/T100-1986开槽沉头木螺钉
18.
Hexagon head wood screws
GB/T102-1986六角头木螺钉