Du-Bro DUB861 Threaded Rods 4-40 x 48"

Du-Bro® DUB861 Threaded Rods are 4-40 x 48-inch steel threaded rods — the longest option in Du-Bro’s 4-40 threaded rod lineup, built for large RC aircraft and other platforms with long control linkage runs. The 4-40 thread is a stronger standard than 2-56, making it the preferred choice for higher-load control linkages where extra strength and rigidity are needed — such as large-scale aircraft control surfaces, heavy-duty steering linkages, and throttle connections on bigger platforms. At 48 inches, these rods give you maximum length to cut to size for even the longest fuselage pushrod runs. Compatible with a wide range of Du-Bro and aftermarket 4-40 clevis, ball links, and rod ends.

Key Features

• Part Number: DUB861
• Du-Bro threaded rods
• Thread Size: 4-40
• Length: 48 inches
• Steel construction for strength and durability
• Compatible with 4-40 clevis, ball links, and rod ends

Compatibility

• Compatible with 4-40 threaded clevis, ball links, and rod ends — fits RC aircraft, car, and boat linkage systems using 4-40 hardware

Benefits

• 48-inch length handles even the longest fuselage pushrod runs without splicing
• 4-40 thread provides greater strength than 2-56 for higher-load control linkage applications
• Steel construction delivers the rigidity and strength needed for reliable pushrod and control rod use
• Cut to exact length needed — maximum material for large-scale builds

Quick Take

Building a large-scale aircraft with long control runs? Du-Bro DUB861 gives you 48 inches of strong 4-40 threaded steel rod — cut it to length, pair it with your 4-40 hardware, and run clean linkages from end to end.