<div class="np2" style="padding: 0px; margin: 0px; text-decoration: none; box-sizing: border-box; max-width: 100%; text-align: center; color: rgb(68, 68, 68); font-family: 微軟正黑體; font-size: 30px; line-height: 40px; letter-spacing: 2px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);"><img alt="屋頂華司螺絲用 Roof Washer" height="450" src="https://i.imgur.com/ZtcDOlm.jpg" title="屋頂華司螺絲用 Roof Washer" width="600"><br> <strong style="box-sizing:border-box; font-weight:bold; margin:0px; max-width:100%; padding:0px; text-decoration:none">屋頂華司螺絲用Washer</strong></div> <div class="np1" style="padding: 18px 180px 0px; margin: 0px; text-decoration: none; box-sizing: border-box; max-width: 100%; text-align: center; color: rgb(68, 68, 68); font-family: 微軟正黑體; font-size: 18px; line-height: 40px; letter-spacing: 2px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);">功用:墊在連接件與螺母之間的零件,作為間隔物用來保護被連接件的表面不受螺母擦傷,分散螺母對被連接件的壓力,及減少振動帶來的脫離。通常是金屬或塑料,一般為扁平形的金屬環。由於壓痕後扭矩被施加,以防止預負荷的損失,特殊場合需要硬化鋼墊圈,特別是通過從鋁表面絕緣鋼螺絲。<br> </div>