
Custom Special Hex Head Flange Bolts 12 Point Carbon Steel 12.9 Hex Flange Bolts. Wide Material Selection: Available in Stainless Steel, Carbon Steel, Titanium, Aluminum, and Brass. Comprehensive Size Range: Sizes from M1.6 to M39 with lengths up to 300mm. Multiple Head Styles: Options include Flat, Pan, Oval, Round, Button, and various Hex types. Diverse Finishing Options: Zn-plated, Ni-plated, Black Oxide, Anodize, and many other finishes available. Fast Delivery: Standard delivery time is 7-15 days after details confirmation. Quality Certifications: ISO9001:2008, SGS Testing Report, and RoHS compliant. OEM Services: OEM customization is available for product specifications. Replacement Guarantee: Free replacement for rejected products if parts do not match PO drawings.