{"product_id":"m3x30mm-screws-200pcs-hex-socket-cap-12-9-steel-black-zinc-half-thread","title":"M3x30mm Screws 200pcs Hex Socket Cap 12.9 Steel Black Zinc Half Thread","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eElectroplating Process + Oil-Free Design: Adopts high-quality electroplating technology with a smooth, dense surface free of greasy residues. No hand or tool staining during handling and installation, ensuring a clean and efficient construction process.\u003c\/li\u003e\n\u003cli\u003e200+ Hours Salt Spray Test Certified: Complies with ISO 9227:2022 (Neutral Salt Spray\/NSS) standard, with corrosion resistance exceeding 200 hours. No red rust on the surface, and white rust ratio ≤ 3%, easily adapting to harsh environments such as outdoor humidity and coastal high salinity.\u003c\/li\u003e\n\u003cli\u003e12.9 Grade High-Strength Hardcore Quality: Meets 12.9 grade hardness standards, with tensile strength and shear resistance far superior to ordinary bolts. Capable of withstanding high-strength fastening requirements for heavy machinery and industrial supports.\u003c\/li\u003e\n\u003cli\u003eHigh-Precision Thread Engagement: Thread accuracy remains unaffected after electroplating, enabling smooth screwing without jamming. Features strong fastening force, no easy loosening or slipping, and is compatible with various nuts and connectors.\u003c\/li\u003e\n\u003cli\u003eStrict Quality Control Assurance: Each batch of products undergoes sampling inspection. Coating thickness, salt spray resistance, thread precision and hardness indicators all meet international standards, ensuring stable and reliable quality.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43358075420881,"sku":"BW-B0GGH94FSB","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71JHrqKG1dL._SL1500.jpg?v=1790989138","url":"https:\/\/belmontwarehouse.com\/products\/m3x30mm-screws-200pcs-hex-socket-cap-12-9-steel-black-zinc-half-thread","provider":"Belmont Warehouse","version":"1.0","type":"link"}