角钉别名撞钉、铆钉、尖钉。它是由角钉帽（A件）和底钉（B件）两个部分组成。常与工字扣、牛仔扣配套使用在较厚实的服装上，例如牛仔裤、牛仔衣等。
角钉推送器 brad pusher
三角钉 Caltrop
内六角螺钉 inner hexagon screw ; socket head cap screw ; socket hexagon screw ; SOCKET HEAD SCREW
六角头螺钉 [机] hex head screw ; hexagon head screw ; Hex cap screw
六角螺钉 HEX HD SETSCREW ; hex screw ; hexagonal screw ; Hex Head Screw
外六角三角牙螺钉 hexagon head triangular screw
内六角圆柱头螺钉 Hexagon socket head cap screws ; hexagon socket cap screws ; socket head cap screws ; Hexagon socket cap head screws
六角头木螺钉 Hexagon head wood screws ; Hexagon wood screws
六角凹头螺钉 hexagon socket head screw
锥钻，打眼钉钻头倾斜的钻子，用于在木头上钻孔以钉角钉或螺钉。
An awl with a beveled tip, used to make holes in wood for brads or screws.
明信片到了，三十美分。他把它贴在自己车里，四个角用黄铜大头钉钉住。
When it came — thirty cents — he pinned it up in his trailer, brass-headed tack in each corner.
第一个目标就是清除在岩角上的旧岩钉，那已经是个垃圾了。
The first task was to remove the old piton in the dihedral, essentially a piece of trash.
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