Value Collection 307246BR Hex Socket Cap Screw 1-8 Unc

Product Description

The VALUE COLLECTION 307246BR is a partially threaded hex socket cap screw designed for high-strength fastening applications. It features a 1-8 UNC thread size and measures 6 inches in length under the head. The screw is driven with a 5/8 inch hex key. Manufactured from alloy steel and finished with a black oxide coating, it meets ASTM A574 standards. This fastener is suited for use in mechanical assemblies, industrial equipment, and structural connections where a recessed drive and a clean, corrosion-resistant finish are required.

This cap screw is commonly used in manufacturing, maintenance, and repair operations across industrial, commercial, and heavy-duty mechanical environments. Its partially threaded shank provides clamping strength without threading the full length of the bolt, making it appropriate for through-bolt and close-tolerance joint applications. Machinists, millwrights, and mechanical contractors typically specify this fastener when ASTM A574 compliance is required.

Key Features

• 1-8 UNC thread form for coarse-thread high-load fastening
• 6 inch length under head with partial threading for controlled clamping
• 5/8 inch hex socket drive for secure torque transfer
• Alloy steel construction for high tensile and shear strength
• Black oxide finish provides mild corrosion resistance and reduces light reflection
• Meets ASTM A574 standard for alloy steel socket head cap screws

Compatibility

Designed as an OEM-style replacement or standard fastener for assemblies requiring 1-8 UNC coarse-thread socket head cap screws per ASTM A574.

Installation Notes

Installation is typically performed by machinists, millwrights, or mechanical contractors using a calibrated torque wrench and the appropriate 5/8 inch hex key or Allen driver. Ensure mating threads are clean and free of debris before installation. Consult applicable engineering specifications or ASME standards for torque requirements based on joint design and material. De-energize or lock out any equipment before servicing fastened assemblies.