Holo-krome 72006 Hex Socket Cap Screw 2-56 Unc Alloy Steel

Product Description

The HOLO-KROME 72006 is a hex socket cap screw designed for precision fastening applications requiring a compact, high-strength connection. Built from alloy steel with a black oxide coating, this screw follows a 2-56 UNC thread standard and measures 3/8 inches in length under the head. The 5/64-inch hex drive allows torque application with standard hex keys or Allen drivers. Fully threaded along its length, it delivers consistent clamping force from head to tip. Machinists, maintenance technicians, and assembly professionals install this fastener in tight-clearance assemblies where a recessed drive and small thread size are required.

This screw is suited for light-duty mechanical assemblies, instrument panels, electronic enclosures, and precision equipment where a 2-56 UNC thread form is specified. Its black oxide finish provides mild corrosion resistance and reduces light reflection in optical or electronic environments. The fully threaded body makes it effective in thin material applications and blind-hole configurations. It conforms to ASME B18.3 and ASTM A574 standards, making it appropriate for applications that specify compliance with those fastener standards.

Key Features

• 2-56 UNC thread form, fully threaded for maximum thread engagement
• 3/8-inch length under head for use in shallow or through-hole applications
• 5/64-inch hex socket drive for use with standard hex keys
• Alloy steel construction for high tensile strength in a small fastener profile
• Black oxide coating provides mild corrosion resistance and low-reflectance finish
• Meets ASME B18.3 and ASTM A574 fastener standards

Compatibility

Designed as an OEM-style hex socket cap screw for applications specifying a 2-56 UNC thread size and conforming to ASME B18.3 dimensional standards.

Installation Notes

Installation requires a 5/64-inch hex key or Allen driver; use of an incorrect drive size can strip the socket. Apply appropriate thread-locking compound if vibration loosening is a concern in the end application. Do not exceed the rated torque for a 2-56 alloy steel cap screw as specified by the applicable engineering standard. Inspect the receiving thread for damage before installation to ensure full thread engagement.