Don-Jo FL-212N Security Strike – 1-3/8" x 12", 13 Gauge Steel, Silver Lacquer / Bright Brass / White

The Don-Jo FL-212N Security Strike is a heavy-duty 13-gauge (.095) ferrous steel security strike designed to reinforce a single latch or deadbolt cutout on a standard door frame. Measuring 1-3/8" wide by 12" tall, this tall-format security strike covers the full strike area around a key-in-knob or deadbolt prep, replacing a standard strike box with a hardened steel plate that distributes kick-in force across the full door jamb. Specifiers and locksmiths who need a single-hole security strike for residential or light commercial retrofits will find the FL-212N a direct fit without frame modification. Three finish options are available on this listing: silver lacquer (Don-Jo SL), bright brass (Don-Jo BP), and white (Don-Jo WH), so the plate can be matched to existing hardware.

FL-212N Security Strike – Key Features

• Heavy 13-gauge (.095) ferrous steel construction: Provides the solid material thickness expected of a purpose-built security strike, well beyond light-duty stamped strikes.
• Single latch hole: Configured for a single key-in-knob or deadbolt prep, making it a precise fit for the most common residential and light commercial door preparation.
• Full 12" strike plate height: The tall 12" profile spreads force across a greater span of the door jamb, improving the door frame's resistance to forced entry compared with a standard short strike.
• 1-3/8" width: Proportioned to align with standard jamb width and cover the latch area without protruding beyond the door stop.
• Three stocked finishes: Silver lacquer, bright brass, and white allow the security strike to coordinate with knob sets, deadbolts, and door prep hardware already in the opening.
• Non-handed design: A single SKU works on any door; no separate left-hand or right-hand version is required.
• Shelf pack of 10: Packaged in quantities of ten, convenient for contractors and distributors maintaining job-site stock.

Technical Details

How to Specify / Order

Order the Don-Jo FL-212N by specifying the model number and finish suffix: FL-212N SL (silver lacquer), FL-212N BP (bright brass), or FL-212N WH (white). This item is non-stock and ships direct from Don-Jo; allow 3–10 business days lead time. Confirm finish selection at time of order, as each finish ships as a separate SKU.