KATA 1-3/8″ – 1-3/4″ Door Lock Installation Kit for Wooden

Product Overview

The KATA 1-3/8″ – 1-3/4″ Door Lock Installation Kit is a practical, no-frills solution for anyone looking to install or replace door locks on wooden doors. Designed with both DIYers and experienced handymen in mind, this kit combines precision engineering with essential cutting tools to deliver reliable results on standard wood doors. At its core, the kit features a U-type adjustable plastic guide template and two high-performance carbon steel hole saws—ideal for creating clean, accurate mortises for lock cylinders and faceplates. Whether you’re upgrading a residential entryway or installing new hardware in a home office, this toolset streamlines what can otherwise be a messy and imprecise process.

The included components work together seamlessly: the guide template ensures consistent hole placement, while the matched arbor and drill bit allow for direct attachment to your power drill. This integration reduces setup time and minimizes errors during drilling. The entire system is built to handle everyday lock sizes found in homes and small commercial spaces, making it especially useful for common deadbolt and knob installations. While not intended for heavy industrial use, the kit performs consistently on typical door thicknesses and materials.

Key Features

• U-Type Adjustable Guide Template: The centerpiece of the kit is its snap-lock arm design, which allows users to quickly select the correct door width and backset distance (from edge of door to center of lock). This adjustability ensures that the drilling guide aligns perfectly with standard lock positions, reducing guesswork and rework.
• Carbon Steel Hole Saws: Two precision-cut hole saws are included—one measuring 1″ (25 mm) and the other 2-1/8″ (54 mm). Both are forged from durable carbon steel, providing sharp, long-lasting edges capable of cleanly cutting through wood without splintering or tearing. These sizes cover the majority of standard lock cylinder and faceplate requirements.
• Integrated Arbor and Drill Bit: A single arbor connects each hole saw to a matching drill bit, enabling secure mounting on any standard power drill. This one-piece design prevents slippage and maintains alignment during operation, contributing to smoother cuts and safer handling.
• Depth of Cut: Up to 50 mm: The saw blades are engineered to penetrate wood up to 50 millimeters deep—perfect for standard interior and exterior door thicknesses. Users should ensure their door meets this depth requirement before installation.
• Reinforced Plastic Guide Components: The guide template is constructed from sturdy, lightweight plastic that resists wear and tear while maintaining flexibility for adjustments. Its clear markings help users visualize proper positioning before locking arms into place.

Technical Specifications

• Material Composition: Carbon steel (hole saws and arbor), reinforced plastic (guide template)
• Hole Saw Sizes Included: 1 inch (25 mm) and 2-1/8 inches (54 mm)
• Maximum Cutting Depth: 50 mm (2 inches)
• Guide Template Type: U-shaped adjustable with snap-lock arms for securing fit
• Arbor & Drill Bit: Yes—included with each hole saw for direct drill compatibility
• Compatible Door Material: Solid wood doors (not recommended for metal, composite, or hollow-core doors unless verified by user)
• Lock Backset Range: Optimized for 1-3/8″ to 1-3/4″ backset locks—common in residential applications

Benefits & Use Cases

This installation kit excels in scenarios where accuracy and repeatability matter most. By using the guide template as a jig, users can mark and drill multiple holes with consistent spacing—critical when replacing old locksets or installing new hardware across several doors. The carbon steel saws cut efficiently through solid wood, producing smooth edges that require minimal sanding or cleanup. For contractors performing routine lock replacements or homeowners tackling weekend projects, this kit reduces trial-and-error and saves time.

Installation follows a straightforward four-step process: first, measure your door’s thickness and confirm it falls within the supported range; second, position the guide template at the desired backset distance and lock the arms; third, drill pilot holes if needed; fourth, use the appropriate hole saw with the attached arbor to create the final mortise. Clear instructions accompany the product, though some users recommend reviewing them before starting. While the kit isn’t designed for oversized or non-standard doors, it handles typical 2×4 or 2×6 wood doors commonly used in homes and light commercial settings with confidence.

One notable benefit is the elimination of freehand drilling, which often leads to misaligned or uneven holes. With this kit, even less-experienced users achieve professional-looking results. The included tools also reduce the need to purchase separate jigs or templates, offering good value for basic lock installation tasks.

Important Notes & Considerations

While the KATA Door Lock Installation Kit delivers solid performance for standard applications, there are important limitations to keep in mind. The guide template’s width is fixed and not fully adjustable, meaning it may not accommodate all door widths—especially those slightly exceeding 1-3/4″. Some customers have reported difficulty fitting the template on wider doors, requiring alternative methods or additional shims. Always measure your door’s thickness and verify backset compatibility before purchasing.

Cut quality can vary depending on wood density and grain direction. Hardwoods or unusually dense lumber may slow cutting speed or require extra pressure, increasing risk of kickback. Operators should always wear safety goggles and secure the door properly before drilling.

The package includes exactly what’s described: one U-type guide template, two hole saws (1″ and 2-1/8″), one arbor with drill bit, and printed instructions. No additional accessories or replacement parts are included. Because it’s imported and designed for experienced or DIY-savvy users, beginners should consider practicing on scrap wood first.

In summary, this kit offers a dependable, cost-effective way to install standard door locks on wooden doors—provided the dimensions fall within the specified ranges. It’s particularly well-suited for frequent use cases like apartment turnover, rental property maintenance, or home renovation projects where consistency and speed are valued.