3.17mm to 4mm Bore Rigid Coupling, 20mm Length 9mm Diameter, Copper Shaft Coupler Connector, Brass Tone 4Pcs

Key Features

• [Specification] Connection Bore Diameter 3.17mm to 4mm; Total Length 20mm / 0.79 inch, Outside Diameter 9mm / 0.35 inch; with M3 Screws
• [Good Performance] Top tight type rigid coupling, high torque with rigidity, low inertia and excellent sensitivity.
• [Material] Made of high-strength copper with integrated structure, maintenance-free, oil proof and corrosion resistance.
• [Application] The product is suitable for model car, model boat, hardware, , mechanical drive situations etc.
• [Note] The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.

Product Description

About this item [Specification] Connection Bore Diameter: 3.17mm to 4mm; Total Length: 20mm / 0.79 inch, Outside Diameter : 9mm / 0.35 inch; with M3 Screws [Good Performance] Top tight type rigid coupling, high torque with rigidity, low inertia and excellent sensitivity. [Material] Made of high-strength copper with integrated structure, maintenance-free, oil proof and corrosion resistance. [Application] The product is suitable for model car, model boat, hardware, , mechanical drive situations etc. [Note] The rigid type basically does not allow eccentricity, and it must be fully adjusted during use. ›