不锈钢螺丝产品详细分类
1、六角螺栓
(1)外六角全牙:GB5783/DIN933 (2)外六角半牙;GB5782/DIN931(3)B级法兰面六角螺栓:GB5787(4)活节螺栓:GB798/DIN444
(5)手工焊用焊接螺栓:GB902
方颈螺栓 (1)半圆头方颈螺栓:GB14/DIN603(2)小半圆头方颈螺栓:GB12(3)半圆头低方颈螺栓:GB801 备注:方颈螺栓又马车螺栓
2、内六角螺钉
(1)内六角圆柱头螺钉:GB70/DIN912(2)内六角平端紧定螺钉:BG70/DIN913(3)内六角紧定螺钉:GB78/DIN914 (4)沉头内六角凸尾紧定螺钉:GB79/DIN915(5)内六角凹端紧定螺钉:GB80/DIN916(6)内六角沉头螺丝:DIN7991 (7)内六角薄头螺丝:DIN7984(8)塞打螺丝:ISO7379
3、机械螺钉
(1)开槽圆柱头螺钉:GB65/DIN84(2)开槽盘头螺钉:GB67/DIN85(3)开槽沉头螺钉:GB68/DIN963
(4)开槽大扁头螺钉(5)十字槽小盘头螺钉:GB823(6)十字槽大扁头螺钉 (7)十字槽盘头螺钉:GB818/DIN7985(8)十字槽沉头螺钉:GB819/DIN965(9)十字槽半沉头螺钉:GB820/DIN966
4、牙条和螺柱
(2)双头螺栓-bm=1d:GB897/DIN938(3)双头螺栓-bm=1.25d:GB898/DIN939(4)双头螺栓-bm=1.5d:GB899 (5)双头螺栓-bm=2d:GB900(1)牙条:GB15389/DIN976(6)等长双头螺柱:GB901/DIN976