Key Features

• John Deere hexagonal head screw with external threading, sized 5/16" diameter by 3/4" length (Part: 19H2664).
• Hex head provides reproducible torque with standard wrenches or sockets for reliable installation and removal in field maintenance.
• Designed for through-hole insertion or into tapped holes, intended to be tightened with a nut or by torquing the head.
• Optimized for agricultural equipment assemblies where a 5/16" external thread and 3/4" length are specified.
• Compact form factor suited to tight spaces in John Deere machinery and attachments.

Product Details

• Brand: John Deere
• Part number: 19H2664
• Type: Hexagonal head screw (externally threaded)
• Thread diameter × length: 5/16" × 3/4" (nominal)
• Head style/Drive: Hexagonal head
• Intended use: Insertion through holes in assemblies or into tapped holes; tightened with a nut or by head torque

Compatibility

• Fits systems specified for a 5/16" externally threaded fastener with a 3/4" length and hex head.
• Best paired with nuts that match the same thread specification and with compatible washers if required by the assembly.
• Suitable for John Deere maintenance and replacement tasks where a 5/16" × 3/4" hex head external-thread screw is specified.