Lot 775+ MS2040 4-40 Hex Jack Screws – 5/16" Length, Male-Female Standoffs New

Condition:
New, unused McMaster Carr jack screws in bulk. Clean and ready for assembly or resale.

Product Details:

• Quantity: 775+ pieces
• Type: Hex Jack Screws / Male-Female Standoffs
• Thread Size: #4-40 UNC
• Thread Type: External Male Thread with Internal Female Thread
• Thread Length: 5/16" (measured from base of hex to tip)
• Hex Body: Easy to grip and torque with standard nut drivers or sockets
• Material: Steel (zinc-plated or stainless, verify if known)
• Standard: MS2040 military spec compliant
• Finish: Bright metallic
• Use Case: Commonly used with D-sub connectors (DB9, DB15, DB25, etc.), PCB mounting, and securing panels

Features:

• Excellent for data/serial port assemblies
• Durable threading for repeated use
• Compatible with most panel-mount and computer hardware configurations

Applications:
Ideal for electronics technicians, manufacturing, prototyping, IT infrastructure, aerospace, and industrial maintenance.

Shipping:
Screws will be securely packaged in bulk to ensure safe delivery.