
Carbon Steel Wing Nuts Zinc Plated Butterfly Nuts. Custom Size Options: Available in M3-M20 or customized sizes as per customer request. OEM Service Available: We accept OEM orders to meet specific brand and design requirements. Multiple Material Choices: Offered in Carbon Steel, Stainless Steel, Titanium, Aluminum, and Brass. Various Finishing Options: Options include Zinc Plated, Ni-plated, Tin-Plated, Black Oxide, and more. Free Sample Provision: Free samples provided for quality check; customer pays only shipping cost. Fast Delivery Time: Delivery takes about 7-15 days after details are confirmed. Quality Assurance: ISO9001:2008 certified with SGS testing report and RoHS compliance. Replacement Guarantee: We replace rejected products at our cost if parts do not match PO drawings.