The Hillman Keykrafter 57 Brass Key Blank is a single-sided key blank designed for Master Lock cylinders in home and office applications. This brass key blank works with M4 and M5 Master Lock cylinder sizes, making it an ideal choice for creating replacement keys or duplicates when you need a reliable, custom-fit solution. Whether you’ve lost a key or want to create an extra for family members or employees, this key blank provides a straightforward, dependable option.
The single-sided profile makes this key blank easy to insert into compatible locks. As a traditional brass key blank, it features a flat head profile that’s comfortable to grip and operate, suitable for everyday access. This versatile blank works well for both residential and commercial properties where Master Lock security is in use.
Features and Benefits
- Master Lock Compatible: Designed specifically for M4 and M5 Master Lock cylinders, ensuring a proper fit for replacement and duplication needs.
- Brass Material: Crafted from brass for reliable, long-lasting performance.
- Single-Sided Profile: The single-sided design provides easy insertion into locks.
- Traditional, Easy-to-Hold Design: The flat head and classic profile make it comfortable to grip and operate, suitable for everyday access.
- Customizable Solution: Can be cut at a hardware store to match your specific lock needs for a perfect fit.
Specifications
- Brand: Hillman
- Model: Keykrafter 57 (88556)
- Material: Brass
- Type: House/Office key blank
- Compatibility: Master Lock cylinders M4, M5
- Profile: Single-sided
- Quantity: 1 pack








