M8-1.25 x 55mm Flanged Hex Bolts Screws, 10.9 Grade Alloy Steel Hexagon Flange Bolts for Machinery Automotive, Black Oxide Finish, Partial Thread, 10

M8-1.25 x 55mm Flanged Hex Bolts Screws, 10.9 Grade Alloy Steel Hexagon Flange Bolts for Machinery Automotive, Black Oxide Finish, Partial Thread, 10

Thread Size: M8; Thread Pitch: 1.25mm; Screw length: 55mm (Thread L=22mm, Shank L=33mm) Hex Drive Size: 13mm; Flange Washer Diameter (max): 18mm; Flange Head Height (max): 8.1mm Industrial-Grade Strength: (Premium 10.9 Alloy Steel) With 1,040 MPa tensile strength, these bolts outperform standard hardware, engineered to handle extreme shock loads in automotive engines, heavy machinery, and structural assemblies; The oxidation layer prevents rust while maintaining precise torque control, ideal for undercarriage repairs or marine equipment Time-Saving Flange Design: The built-in flange distributes pressure evenly, eliminating separate washers and preventing surface damage. Install 2x faster in tight spaces like engine bays or conveyor systems Vibration-Proof Grip: Unmatched stability for dynamic loads: Full shank strength meets adjustable clamping force. Trusted for securing motorcycle frames, hydraulic pumps, or robotics joints Professional-Grade Hex Flange Bolts for Demanding Applications

A flanged hex bolt is a kind of hex bolt with a flanged type washer head on the top and full machine threads.They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on and serves a wide range of use for professionals, amateurs, landlords, repairmen and DIYers.

The 10.9-Class hex socket screw shows good performance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance.