平头自攻钉螺丝、沉头自攻、盘头自攻、大扁头螺丝（图

不锈钢自攻钉系列：GB845，GB846，大扁头规格M2.9*6.5M3.5*6.5M3.9*6.5M4.2*9.5M4.8*9.5M5.5*13M6.3*13M2.9*9.5M3.5*9.5M3.9*9.5M4.2*13M4.8*13M5.5*16M6.3*16M2.9*13M3.5*13M3.9*13M4.2*16M4.8*16M5.5*19M6.3*19M2.9*16M3.5*16M3.9*16M4.2*19M4.8*19M5.5*22M6.3*22M2.9*19M3.5*19M3.9*19M4.2*22M4.8*22M5.5*25M6.3*25M2.9*22M3.5*22M3.9*22M4.2*25M4.8*25M5.5*32M6.3*32M2.9*25M3.5*25M3.9*25M4.2*32M4.8*32M5.5*35M6.3*35M2.9*32M3.5*32M3.9*32M4.2*35M4.8*35M5.5*38M6.3*38M3.9*35M4.2*38M4.8*38M5.5*45M6.3*45M3.9*38M4.2*45M4.8*45M5.5*50M6.3*50M3.9*45M4.2*50M4.8*50M3.9*50GB845规格ST2.9ST3.5ST3.9DIN7981ST4.2ST4.8ST5.5ST6.3牙距1.11.31.41.41.61.81.8圆头经max5.677.589.51112头厚max2.42.62.82.83.744.6槽号1222233GB846规格ST2.9ST3.5ST3.9DIN7981ST4.2ST4.8ST5.5ST6.3牙距1.11.31.41.41.61.81.8圆头经max5.57.37.58.49.310.311.3头厚max1.72.352.32.62.833.15槽号1222233大扁头自攻钉规格ST2.9ST3.9ST4.9牙距1.11.31.6圆头经max6.99.411.8头厚max2.052.653.25槽号222