Hexagon socket set screws , flat point . iso thread 內(nèi)六角平頭止動(dòng)螺釘. iso螺紋
Hexagon socket set screws with flat point 內(nèi)六角平端緊定螺釘
Hexagon socket set screws with flat point 內(nèi)六角平端緊定螺釘
Slotted set scews with flat point 平端開(kāi)槽調(diào)整螺釘
Slotted set screws with flat point 開(kāi)槽平端緊定螺釘
Hexagon socket set screws with flat point iso 4026 : 2003 ; german version en iso 4026 : 2003 內(nèi)六角平端緊定螺釘
Each of a series of mechanical or wooden drawing pencils is sanded to a flat point , then held at a 45 angle and pushed forward and downward against the test sample 每一組機(jī)械或木質(zhì)鉛筆被打磨成平面,然后對(duì)準(zhǔn)試樣的測(cè)試表面,握隹鉛筆向下、向前推鉛筆。