hex bolt and nut is measured from the point at which the head sits flat with the surface, to the tip of the threads. Hex bolt wholesale, pan, truss, button, socket cap, and round head screws are measured from right under the head to the end of the threads. Flat head screws are measured from the top of the head to the tip of the threads.

• Size:M6-M60 1/4”-2-1/2” or customizable
• Standard:ISO / DIN / ANSI / ASME / ASTM / BS / AS / JIS
• Material :Q235 / 35K / 45K / 40Cr / B7 / 20MnTiB / A2 / A4 carbon steel hex head bolt & stainless steel hex head screw
• Factory :yes
• Samples :hexagon bolt supplier samples are free

Advantages of din 931 hex bolt

din 931 hex bolt are high-strength and wear-resistant: The threaded part of the half-threaded hexagonal bolt is heat-treated and has high strength and wear resistance, which is suitable for high-strength and high-torque fastening occasions. Half-threaded hexagonal bolts are easy to install and disassemble: Due to their design characteristics, they are relatively easy to install and disassemble and are not easy to damage. din 931 screw are highly adaptable: They are suitable for a variety of environments and occasions, such as mechanical equipment, building structures, electronic equipment, etc. Half-threaded hexagonal bolts have good fastening effect: They are usually used in conjunction with hexagonal nuts to ensure the fastening effect. Half-threaded hex bolts save materials: Since the threaded part does not completely cover the entire bolt surface, materials can be saved and are suitable for occasions with limited space.

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