Heavy-Duty HDG Fasteners for Agricultural Machinery and Farm Infrastructure

HDG agricultural fasteners feature thick zinc alloy coating resistant to fertilizer, manure abrasion and outdoor moisture. Matching nuts are overtapped for smooth assembly. Includes carriage bolts, square nuts, U-bolts and high-strength hex bolts, widely used in greenhouses, livestock pens, irrigation and farm machinery OEMs. Factory strict QC and moisture-proof export packaging, also supports custom drawing production.