MSB6标准型内六角圆柱头轴肩螺钉 TBH02-D6-L10/15/20/25/30/40
MSB5标准型内六角圆柱头轴肩螺钉TBH02-D5-L10/15/20/25/30
MSB5.5标准型内六角圆柱头轴肩螺钉 TBH02-D5.5-L10/15/20/25/30