Dubro 4-40 Threaded Coupler RC Aircraft Spare Part - DUB336

The Dubro DUB336 4-40 Threaded Coupler is a two-piece RC aircraft hardware fitting used to connect and adjust control rods and pushrods in radio-controlled aircraft linkage systems. Dubro is a trusted name in RC linkage hardware, and this coupler is designed for use with standard 4-40 threaded rod, making it a practical solution for building or maintaining precise control linkages on fixed-wing models.

Key Features

• 4-40 thread size suits standard RC aircraft control rod hardware
• Sold as a pack of two couplers, giving you a pair for dual linkage setups
• Allows length adjustment of control rods to fine-tune control surface throws
• Compact metal construction suited to the tight spaces typical in RC aircraft fuselages
• Compatible with Dubro and third-party 4-40 threaded rods and clevises

What's Included

• 2 x Dubro 4-40 Threaded Couplers (DUB336)

What You Need

• 4-40 threaded control rods or pushrods (sold separately)
• Compatible RC aircraft with 4-40 linkage hardware requirements