Dubro Sock Head Cap Screw 4-40x3/4 Tool - DUB3117

The Dubro DUB3117 is a 4-40 x 3/4 inch socket head cap screw designed for use in RC aircraft builds and repairs. These stainless or hardened steel fasteners are a staple in the RC workshop, offering a clean hex socket drive that works with standard Allen keys and ball drivers. If you're securing servo horns, motor mounts, linkage hardware, or airframe components, having a reliable supply of 4-40 fasteners on hand keeps builds moving and repairs quick.

Key Features

• 4-40 UNC thread with 3/4 inch length suits a wide range of RC aircraft assembly and repair tasks
• Socket head cap design accepts a standard hex Allen key or ball-end driver for secure, repeatable torque
• Compact head profile suits tight spaces inside airframes where a pan-head screw would foul surrounding parts
• Sold as a pack, making them a practical stock item for any RC workshop bench

What's Included

• Pack of Dubro 4-40 x 3/4 inch socket head cap screws (DUB3117)

What You Need

• Appropriate hex Allen key or ball-end driver to fit the socket head
• Compatible 4-40 nuts or threaded inserts depending on your application