National Marker N151621 Door Barrel Bolt 4 Inch

Product Description

The NATIONAL MARKER N151621 is a 4-inch black steel barrel bolt designed for security and latching applications on lightweight doors, chests, cabinets, and similar enclosures. The bolt body is constructed from steel with a brass bolt and brass knob, offering a combination of structural rigidity and smooth operation. At 0.26 pounds, this is a compact, lightweight hardware component suited for interior security needs. Licensed tradespeople and skilled installers working on cabinetry, storage enclosures, and light-duty door assemblies will find this bolt straightforward to fit into a wide range of projects.

This barrel bolt is intended for use on lightweight doors, chests, cabinets, and similar enclosures where basic slide-bolt security is required. It is suitable for both residential and light commercial settings. The bolt accommodates right-hand and left-hand installations, making it adaptable to varied door swings and orientations. In vertical mounting applications, the notched case retains the bolt in the locked position without additional hardware or modification.

Key Features

• 4-inch barrel bolt length for secure latching on lightweight doors and cabinets
• Steel construction with brass bolt and brass knob for durability and smooth operation
• Compatible with right-hand and left-hand installations for flexible placement
• Notch-in case holds bolt in locked position during vertical use
• Bolt diameter of 0.32 inches for consistent fitment in standard barrel bolt applications
• Lightweight at 0.26 pounds for easy handling and installation

Compatibility

Designed as a replacement or new-installation barrel bolt for lightweight doors, chests, cabinets, and enclosures requiring slide-bolt security hardware. Also referenced under National catalog model No. V834.

Installation Notes

This barrel bolt is typically installed by carpenters, general contractors, or maintenance technicians using standard hand tools including a drill and screwdriver. Ensure the mounting surface is structurally sound and that the bolt aligns cleanly with the strike before fastening. For vertical installations, orient the notched case to retain the bolt in the locked position as designed. No electrical shutoff or specialized trade licensing is required for installation of this hardware type.

Technical Specifications

• Bolt Length: 4 inches
• Bolt Diameter: 0.32 inches
• Material: Steel body with brass bolt and knob
• Finish: Black
• Weight: 0.26 pounds
• Hand Orientation: Right or left hand
• UPC: 00038613151628

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N151621