50PCS M4 Acorn Hex Cap 304 Stainless Steel 18-8 Nuts Metric Dome Head Nuts

Acorn hex cap locknut is a kind of hex nut with an enclosed dome to protect the threaded bolts by covering them. Different nut styles fit different applications or intallation requirements. We provide hex nut, acorn hex nut, nylon insert nuts, flange nuts and other nuts to meet our customer's different requirements. No exterior finish and no coating, the screws are made of the finest 100% 304 ?18-8? stainless steel . Application Automobile, mold, machinery, electronics, assembling, construction, manufacturing industry, indoor and outdoor.