Automic Drilling Drilling the stringing hole by Automic Drilling machine based on different frame string pattern
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50pcs 1/4-20 Serrated Flange Hex Nuts, 1/4" Hexagon Flange Nuts, Carbon Steel Zinc Plated, UNC Nuts Fasteners, Right Hand SAE Replacement Nut 1/4"-20 industrial Automic Drilling Drilling the stringing50pcs 1 4 20 Serrated Flange Hex Nuts, 1 4" Hexagon Flange Nuts, Carbon Steel Zinc Plated, UNC Nuts Fasteners, Right Hand SAE Replacement Nut Product Features Thread Size: 1 4 20; Inside Diameter: 1 4 Inch; Thread Size: 20 Threads per Inch, Hex Socket Drive 7 16"; Overall Height: . 231 Inches; Flange Diameter: . 582 Inches; Measurement System: Inch; Carbon Steel Our serrated flange hex nuts assortment kit is made of premium quality carbon steel with