机螺钉、自攻螺钉、钻尾螺钉、墙板钉、纤维板钉、木螺钉、六角木螺钉、不脱出螺钉、组合螺钉、微型螺钉、家具螺钉、电子螺钉 按照头型可分为 1.六角头(hexagon [head]) 2.六角头法兰面(hexagon [head] with flange) 3.方头(square [head]) 4.T形头T [head] (hammer [head])5.扁圆头mushroom [head](truss [head]) 6.圆柱头(cheese [head]) 7.圆头(round [head])8.盘头(pan [head])9.沉头 countersunk [head] (flat [head]) 10.半沉头 raised countersunk [head] (oval 按照槽型可分为 1.菲利普2.十/一字3.一字4.内三角5.内角四方6.十字 7.米字8.花形9.梅花形10.花形一字11.特形12.内六角