常用螺栓、螺丝图解 d=(0
013*n)*25
4 其中N 表示如#4,#6#8#10 等,D 则等于换算出的公制尺寸 美制牙为55 度角,美制都是用牙数表示,公制是用牙距表示,例如:英制1/2-12 美制1/2-13 公制M12-1
75 MSmachine screw, HTheat treatment
pan head hex drive 盘头六角槽 1/4-20: 螺紋直徑1/4” ,1”(25
4mm)有 20 個牙 马氏体不锈钢 SU S410 Self-drilling screws 自钻自攻钉 Wafer Head with Washer Self-drilling Screws Zinc plated 大扁头带垫自钻自攻钉 Drywall Self-drilling Screws Black Oxide 镀锌干壁自钻自攻钉 Pan Farming screws Pozi Self-drilling Screws 发黑岗山头十字槽自钻自攻钉 Pan Head Self-drilling screws Nickel Pleated and Zinc Plated 盘头自钻自攻钉 镀锌镀镍 Hex washer with Neo Washer Yellow Zinc Plated 六角带垫套尼龙垫机螺纹自钻自攻钉 黄锌 Hex Washer Self-Drilling Screws 六角带垫自钻自攻钉 六角套筒 Wafer Head Self-drilling Screws 威华头自钻钉、根切沉头自钻钉 Hex Waher with ZPDM Bonded Washer Self-drilling Tapping Screws 六角带垫套复合垫自钻自攻钉 Hex Waher with ZPDM Bonded Washer Self-drilling