FandWay 255 Pcs Flange Head Bolts Black,M6 Flanged Hex Head Serrated Bolts and Nuts Set With Flat & Lock Washers,Flange Hexagon Machine Screws 10.9 Grade Alloy Steel,External Hex Drive Fully Threaded.

• 🔩【High-Strength Material Guarantee】: Forged from Grade 10.9 high-carbon steel with hardness reaching HRC 32-39 and tensile strength ≥1040 MPa. Black oxide coating creates a dense protective layer,Designed for high-load mechanical assemblies, ensuring long-term resistance to deformation and stripped threads.(⚠️⚠️⚠️Attention:Please choose 304 stainless steel for outdoor humid environment）
• 🔩【Flanged Bolts Kit Specification】: M6 bolt pitch 1.0 mm. Screw diameter 6 mm; screw lengths include : 12 mm/16 mm/20 mm/25 mm/30 mm. m6 washer diameter 12 mm, thickness 1.4 mm. m6 spring washer diameter 10.36 mm, thickness 1.88 mm. m6 flange nut small diameter 10 mm, large diameter 14 mm, thickness 5.9 mm.
• 🔩【Flange Hex Head Design】: The bolt head incorporates a flange (raised rim) to increase the contact area, improving load distribution and reducing surface pressure.Washer Integration: Includes a built-in or separate washer to prevent loosening and protect connected surfaces.Serrated Teeth: The flange or washer has serrations (anti-slip grooves) to enhance friction and resist vibration-induced loosening.
• 🔩【Convenient Storage】: Flange head screw flange nuts,washers and lock spring washers assortment kits are stored individually by type in a portable, transparent case for easy storage and use, thus avoiding loss or confusion during use.
• 🔩【Wide Application】: Flange bolts kits are used in a wide variety of applications, Critical Joints: Used in high-stress environments like automotive suspensions, wind turbines, structural steel connections, and heavy machinery.These bolts are an important part of any project that requires stability and security .

●●●High-Strength Flange Serrated Bolt——Secure Connection, Carry the Future!. 【Features】 - 1 The high-strength flange serrated bolt is specially designed for high-load and high-vibration environments. - 2 Made of premium 10.9 alloy steel and treated with heat and surface processing, it offers exceptional tensile strength, shear resistance, and anti-loosening performance. - 3 Options: Available in M6 x 12/16/20/25/30mm sizes to meet diverse fastening requirements. - 4 The unique serrated design ensures a tighter flange connection, effectively preventing loosening. 【Package Included】 M6 x 12mm ------- 15Pcs M6 x 16mm ------- 15Pcs M6 x 20mm ------- 15Pcs M6 x 25mm ------- 10Pcs M6 x 30mm ------- 10Pcs M6 Nuts---------- 60pcs M6 Flat Washer ---- 65pcs M6 Lock Washer --- 65pcs - Total Quantity: 255-Pieces/Set Whenever you need us , please contact us by email or Q&A, we will give you a Professional Service and reply you within 24 hours. ⚠️⚠️⚠️Attention: Products contain small parts, keep away from children to prevent mistaken swallow !