uxcell M16x1.5mm Retaining Four-Slot Slotted Round Nuts, 2 Pcs Size:M16x1.5mm Cross hatch pattern helps to

Cross hatch pattern helps to seat piston rings and retains oil for lubrication

This set of drip irrigation parts can meet all the need for 1/2" drip irrigation hose connection

heat dissipation part

All bits in 1/4" shank

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uxcell M16x1.5mm Retaining Four-Slot Slotted Round Nuts, 2 Pcs Size:M16x1.5mm Cross hatch pattern helps touxcell M16x1. 5mm Retaining Four Slot Slotted Round Nuts, 2 Pcs Made of carbon steel, oxidized black finished, good rust and corrosion resistance. The pitch and spiral angle of the fine thread is smaller, which is more conducive to the self locking, so the fine thread are generally used in places where it is necessary to prevent loosening. Design with thread inside, 4 slot slotted round nut. Operated with hook spanners (not included here). Widely used