strength replacement nut provides durability and antiloosening performance compared with standard pruning shear accessories. Machined with ±0.01 mm precision and corrosionresistant threads, these shear screws maintain secure fastening in humid outdoor environments. Optimized for intensive pruning tasks in fruit farms, grapevines, and urban green spaces where equipment longevity matters most. Essential for professional orchard crews, landscaping teams, and vineyards maintenance specialists who require reliable garden tool maintenance parts. Compatibility and installation: designed to fit standard pruning shear accessories and associated screws, enabling easy retrofit to extend tool life. Use scenarios: Orchard pruning crews replacing worn nuts and screws on pruning shears after frequent use on dense fruit trees. Vineyard maintenance teams securing pruning tools for grapevine care during peak season. City parks and urban green space crews maintaining pruning tools to ensure consistent performance over longterm use.