Heavy-Duty 3/4" Hole Steel Right-Angle L-Bracket Antenna Mount - Black

Mount your mobile two-way radio antenna securely to any vertical surface with the Heavy-Duty 3/4" Steel Right-Angle L-Bracket. Engineered specifically for truck headache racks, toolboxes, camper walls, mirror brackets, and custom vehicle fabrications, this rigid 90° bracket creates a solid horizontal platform for mounting mobile antennas upright. Featuring a standard 3/4" (20mm) antenna mounting hole, this bracket accepts all standard brass NMO coax cable assemblies, SO-239 bulkheads, and heavy-duty 3/4" stud mounts. Its thick steel construction prevents flexing or vibration during off-road trail rides, while the multi-port backplate provides versatile mounting options. 🔧 NMO & Surface Mounting Compatibility Designed for standard 3/4" (20mm) NMO brass drop-in mounts and 3/4" threaded bulkheads. The vertical backplate includes a 5-hole pattern (4 circular bolt holes + 1 alignment center slot) to allow secure attachment to sheet metal or tubing using screws, rivets, or bolts. Key Product Features 📐 Standard 3/4" (20mm) NMO Mount Port: Pre-drilled horizontal opening accommodates standard 3/4" NMO brass cable mounts, SO-239 bulkheads, and VHF/UHF mobile antenna bases. 📐 Rigid 90° Right-Angle Geometry: Provides a level 1.7" (43mm) horizontal mounting lip when attached to vertical walls, headache racks, trunk channels, or bed rails. ⚙️ Multi-Port Universal Backplate: Features 5 mounting holes (including a center adjustment slot) on the 1.38" (35mm) vertical flange for flexible bolt, screw, or rivet fastening. 🛡️ Heavy-Gauge Powder-Coated Steel: Formed from thick steel plate to resist whip sway and wind load, coated in a textured black finish to protect against rust, moisture, and road salt. 🚙 Compact & Versatile Profile: 1.65" (41mm) overall width allows seamless installation into tight spaces without interfering with vehicle doors or tailgates. Technical Specifications & Dimensions Specification Dimension / Detail Bracket Dimensions & Hole Sizing Model Number Right-Angle L-Bracket Antenna Hole Diameter 3/4" (20 mm) Standard NMO Port Horizontal Lip Length 1.70" (43 mm) Vertical Flange Height 1.38" (35 mm) Overall Bracket Width 1.65" (41 mm) Material & Mounting Details Material Heavy-Gauge Formed Steel Finish Textured Black Weatherproof Powder Coat Backplate Hole Configuration 5-Port Multi-Pattern (4 Round Screw Holes + 1 Center Slot) Mounting Location Headache Racks, Truck Bed Rails, Toolboxes, Walls, Trunk Lips Antenna Compatibility NMO Mounts, UHF / VHF / CB / LMR Mobile Antennas w/ 3/4" Base