M10 Stainless Steel Flange Bolts: You can get 9pcs M10 x 55mm hex bolts,Featured hexagonal flange head shape,threads cleanly formed,speeding up the fastening process in many applications Well-Made Stainless Steel 18-8: M10-1.5 bolt is made of 100% Stainless Steel 18-8,These stainless steel bolts are Superior anti-rust,abrasion resistance and sturdy,good chemical resistance and may be mildly magnetic,but not affect its work performance,it came in a lil box to keep organized. would recommend for your next DIY job. Reduce Vibration:Flange Design,wider surface area than standard bolts, which helps to distribute the load more evenly. prevent damage to the surface being fastened and provide a more secure hold.Diameter: M10 | Screw Length:55mm | Thread Pitch: 1.5mm Wide Range Of Applications:M10 x 55mm stainless steel bolt is wide range of applications,from construction and automotive to industrial and marine,such as used to bolt on cover under engine,replace the rusted bolts. Easy To Use:These M10 x 1.5 stainless bolts are stored in reinforced box and it can be easy to take and storage.installed by a spanners,please feel free to connect us,if you need Well-Made Stainless Steel 18-8: M10-1.5 bolt is made of 100% Stainless Steel 18-8,These stainless steel bolts are Superior anti-rust,abrasion resistance and sturdy,good chemical resistance and may be mildly magnetic,but not affect its work performance,it came in a lil box to keep organized. would recommend for your next DIY job.