Metric Flange Bolts And Nuts Assortment Kit (288 Pcs)- Stainless, Iso Compliant Product Features 12 VARIETIES OF FLANGE BOLTS: This kit includes M6, M8, and M10 flanged nuts, washers, and spring washers, along with metric flange bolts in ?? ? ? (12mm, 16mm, 20mm, 25mm, 30mm), ?? ? ?.?? (16mm, 20mm, 25mm, 30mm), and ??? ? ?.? (25mm, 30mm, 35mm). PREMIUM STAINLESS STEEL 304: Crafted from A2-70 stainless steel, these fasteners offer superior corrosion resistance compared to black zinc or galvanized carbon steel. Ideal for outdoor, humid, or highly corrosive environments, you can trust that rust won't affect the durability of your project over time. ISO STANDARD COMPLIANCE, NOT SMALL SERIES: This metric flange bolt kit adheres to ISO standards, ensuring high-quality parts. Unlike Small Series hex flange bolts, these standard-size flange bolts feature larger hex heads for improved torque transfer, making them suitable for high-strength and heavy-load applications. SERRATED FLANGE BOLTS AND NUTS: The flanged edges of the bolts and nuts increase contact area and distribute pressure effectively. The serrated design boosts grip, preventing loosening, especially in high-vibration settings. Your purchase is protected by Transparency. SMOOTH THREADS, NO BURRS OR STRIPPING: Enjoy smooth threading with perfectly formed flange nuts and bolts that spin on easily. Whether you're fixing machinery, working on vehicles, or handling DIY home projects, these fasteners hold up under pressure and guarantee a secure fit. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!