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b) 十字槽孔與米字槽孔因其易於使用相容螺絲起子安裝和拆卸而被廣泛使用。此外, 另一常見的六角瓣孔(梅花孔)設計亦可提供更好的扭矩傳遞並最大限度地減少螺絲旋入過程中脫出的風險。
DIN 6922 (with reduced shank)
DIN 6922 概述了具有細桿徑的六角法蘭螺栓的尺寸和技術規格. 此螺栓另一特點是有一個法蘭圈, 頭部下方有一個圓盤形延伸部分, 用作整合墊圈. 法蘭圈的加入增強了軸承表面並有利於負載分佈. 狗尾端帶錐形截面尾
六角華司頭三角牙螺絲
三角牙螺絲 DIN 7500
Hexalobular socket pan head screw
a) The screw head features a hexalobular socket, often referred to by the generic name “6 lobe”
b)The flat underside of the pan head distributes clamping force over a larger area compared to countersunk or round head screws.
c) Although there may be minor differences in dimensional tolerances or thread requirements, both DIN 7985 (German standard) and ISO 14583 (international standard) specify pan head screws.