Key Blank NA12 Single-Sided (4-Pack/Box) Brass For National Locks - Hillman 85 The Hillman 85 NA12 traditional key blank is a durable, high-quality brass key designed for reliable use in residential and commercial applications compatible with select National Locks. Precision-machined from solid brass with a bright, corrosion-resistant silver finish, it offers long-term durability and smooth operation in high-traffic environments. The wide, flat head provides a secure, ergonomic grip for easy turning, even with gloves or wet hands. Designed as a single-sided blank, it is ideal for customization at local hardware stores to match existing National Lock systems ? offering a cost-effective solution for replacing lost keys, rekeying locks, or expanding access control without purchasing pre-cut keys. Features - Solid brass construction resists bending, breaking, and corrosion over time - Bright silver finish maintains appearance and resists tarnishing with regular use - Single-sided cut design compatible with National Locks using key code 85 NA12 - Wide, flat head enables strong, comfortable grip for easy turning - Precision-cut blank allows for quick, accurate duplication at most hardware stores - No proprietary or electronic components ? fully mechanical and universally compatible with standard key machines - Ideal for home, office, storage, and cabinet lock systems - Pack of 4 provides multiple spares or backup keys for family, staff, or tenants - Meets industry standards for durability and dimensional accuracy - Non-magnetic and non-sparking ? safe for use in sensitive environments Specifications - Brand Name: Hillman - Model Name: Hillman 85 NA12 - Product Type: Key Blank - Key Type: House/Office - Key Krafter Number: 85 - Traditional EZ Number: NA12 - Material: Brass - Color: Silver - Sides: Single-Sided - Head Type: Brass Head - Compatibility: Select National Locks (cross-reference: AceNet Keys Cross References) - Quantity: 4 pcs per pack - Weight: 0.16 lb (total) - Packaging: Retail Packaged - Country of Origin: United States - UPC: 736511500851 - GTIN: 00736511500851 - Manufacturer Part Number: 88530 - Manufacturer: Hillman Product Application The Hillman 85 NA12 key blank is used by locksmiths, property managers, facility maintenance teams, and homeowners seeking a reliable, affordable solution for duplicating or replacing keys for National Lock systems. Whether replacing a lost key, granting access to trusted individuals, or rekeying a suite of locks, this blank ensures consistent performance and compatibility without the need for specialized equipment. Its brass composition and standard profile make it ideal for use in offices, storage rooms, garages, and residential entryways ? delivering dependable security and the quiet confidence that access remains controlled, consistent, and cost-effective.