Hex Socket Drive Flange Bolt High Tensile, Alloy Steel, Class 10.9 High quality surface coating Max 120 Hours Salt Spray Test without Red Rust Sample Size M10-1.5x25mm   More standard options: Socket Drive, Torx Drive, 6-lobe drive Round Head, Hexagon Head, Truss Head DIN 6921 Standard or ANSI B18.2.1 (IFI111) Class 8.8, 10.9, 12.9, SAE J429 Grade 5, 8 Dimensions Size M5 up to M20 Or 5/16 up to 7/8 inch Material by medium carbon steel and alloy steels Surface Treatment: Ruspert Coating or Dacromet  Other standard specifications available! Hex flange bolt is a one-piece forged bolt with a hex washer head. The washer head always in 2 types, serrated flange and smooth flange, the so called flat bearing surface. Hex flange bolts always made by medium carbon steel, alloy steel and stainless steel. Product Description     Packaging & Shipping   FAQ   Q1: Are you a manufacturer or trading company? A: We are manufacturer for bolts, studs, rivets, pins, washers, stamping & tooling parts, we have long-term associated parteners that can provide wide range of fasteners.  Q2: What kind of material you used for producing the bolt? A: We using carbon steels (low and medium carbon, alloy steels), stainless steel and brass.  Q3: Do you produce standard or non standard bolt? A: We have regular production for ANSI and DIN standard bolts, while we also make customized bolts and stud.  Q4: How to ensure that every process's quality? A: We have our in-house QC daily and hire third party for randomly inspection. Q5: Can you provide samples? A: For our regular products, we offer free samples. For customized bolts, tooling and moulding charges need. All free samples not including its courier charge.