[10000 BULK] U Drive Screws | Round Head | Steel Black Oxide | #4 X 5/16

U Drive Screws enable secure, flush mounting with a round head and a U-drive recess. This bulk pack features #4 thread diameter and a 5/16 length, manufactured from Steel with a Black Oxide finish for reliable indoor use.

Specs

• Dimensions: Overall length 5/16", Thread diameter #4
• Finish: Black Oxide
• Drive type: U drive recess
• Material: Steel

Features

• U drive recess: Enables controlled torque with compatible drivers, reducing cam-out and improving installation precision.
• Round head: Provides a low-profile, flush finish suitable for exposed fastener applications in cabinetry, furniture, and metal assemblies.
• Corrosion resistance: Black oxide finish offers moderate corrosion protection in indoor environments and can be paired with protective coatings for extended life in harsher conditions.
• Bulk quantity: Pack of ten thousand pieces supports high-volume manufacturing, repair operations, and large-scale installations, minimizing reordering frequency.
• Substrate compatibility: Suitable for wood and light metal substrates, enabling rapid installation with minimal pre-drilling in standard cabinetry and assembly tasks.