Key Features

• Genuine John Deere replacement part with part number 19M7979, ensuring compatibility with Deere equipment and assemblies.
• Hexagonal head with integral flange provides load distribution, axial alignment, and reduces the need for separate washers.
• M8 x 55 mm externally threaded tension fastener designed for secure fastening and reliable repeatability during maintenance.
• Through-hole capability and versatile threading can be inserted through holes, engage with a preformed internal thread, or form its own mating thread in appropriate materials.
• Simple tightening and release operation by turning the hex head, enabling efficient installation and removal in field or workshop settings.

Product Details

• Part number: 19M7979
• Diameter: 8 mm (5/16 in)
• Length: 55 mm (2.17 in)
• Head type: Hexagonal with flange
• Thread type: Externally threaded
• Function: Tension fastener designed to be tightened or released by turning the head

Compatibility

• Thread engagement options: Mates with preformed internal threads or can form its own mating thread in compatible base materials.
• Through-hole applications: Suitable for components with holes sized to accept the 8 mm diameter.
• Use context: Intended for assemblies and maintenance on equipment requiring M8 x 55 mm hex flange screws; aligns with Deere-specific hardware requirements.
• Operational suitability: Designed for reliable tightening and reusability in service procedures where a hex-head flange fastener is specified.