螺丝头类型
平底锅, 大圆扁头, 平板型, 椭圆形, 圆形, 六角, 芝士, 包边
型号
#6/3.5 #7/3.9 #8/4.2 #10/4.8
Gauge
#6/3.5 #7/3.9 #8/4.2 #10/4.8
Finish
GRAY/BLACK PHOSPHATED/ZINC/NICKEL PLATED
Hardness of core
300-460 HV
Hardness of surface
450-700 HV
keywords
3.5x25mm black drywall screw TIANJIN YUFENG SCREW