Don-Jo AST-21381 Security Strike, 18" x 1-3/8", Single Hole, Ferrous Steel

Don-Jo AST-21381 Security Strike — 18" x 1-3/8" Single Hole, Ferrous Steel

The Don-Jo AST-21381 is a heavy-duty commercial security strike measuring 18" in height by 1-3/8" in width, engineered for single-hole latch applications on commercial doors. Constructed from 13-gauge (.095) ferrous steel, this security strike delivers exceptional strength and resistance to forced entry in demanding commercial environments. Available in BP, SL, and WH finishes to suit a variety of door and frame aesthetics.

Key Features

• Generous Dimensions: Measures 18" in height and 1-3/8" in width, providing extended coverage and reinforced protection along the door frame strike area.
• Single Latch Hole Configuration: Designed with one latch hole for straightforward compatibility with standard single-latch door hardware setups.
• Heavy-Gauge Ferrous Steel Construction: Manufactured from 13-gauge (.095) ferrous steel for superior durability and resistance to forced entry in high-traffic commercial applications.
• Multiple Finish Options: Available in BP (Primed), SL (Silver), and WH (White) finishes to coordinate with a wide range of door frame colors and styles.
• Commercial-Grade Performance: Engineered specifically for commercial door hardware applications where strength and long-term reliability are essential.
• Convenient Shelf Pack Quantity: Sold in shelf packs of 10, making it efficient for contractors and facilities managers to stock and install across multiple openings.

Certifications & Compliance

• Commercial-Grade Product
• 13 Gauge (.095) Heavy-Duty Steel Construction

Technical Specifications

• Subcategory: Door Strikes
• Product Group: Parts and Accessories
• Product Subgroup: Door Strikes and Strike Boxes
• Product Type: Door Strikes
• Commercial/Residential: Commercial
• Product Category: Parts and Accessories
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Don-Jo AST-21381?

Don-Jo security strike products are built to professional-grade standards, with the AST-21381 featuring 13-gauge (.095) ferrous steel construction that delivers the structural integrity required for commercial door security applications. Engineered for demanding environments, this strike provides reliable, long-lasting performance where door frame reinforcement and forced-entry resistance are critical priorities.