Klein Tools Bi-Metal Hole Saw ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$161.59
$115.79

Klein Tools Bi-Metal Hole Saw Kit 8-Piece Professional Electrical Contractor Set

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Model: 31902
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$161.59
$115.79
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Klein Tools Bi-Metal Hole Saw Kit 8-Piece Professional Electrical Contractor Set

Professional-Grade Hole Cutting System for Electrical Installation

The Klein Tools Bi-Metal Hole Saw Kit delivers professional-grade hole cutting performance for electrical installation and construction applications. This 8-piece bi-metal hole saw system features optimized teeth pattern technology designed for electricians, contractors, and construction professionals, providing the reliable cutting performance and industry-leading quality that tradesmen demand from America's most trusted tool manufacturer.

Professional Features & Benefits

Advanced Cutting Performance

  • Bi-Metal Construction - Superior durability and cutting life with Klein's precision-engineered tooth design for consistent performance
  • Optimized Teeth Pattern - Fast, consistent cutting through mild steel, stainless steel, and various construction materials with professional efficiency
  • Single Pass Capability - Bore through 2x4 lumber in one pass, reducing installation time and increasing productivity on job sites
  • Versatile Material Compatibility - Cuts precise holes in steel, stainless steel, drywall, ceiling tile, laminates, wood, and plastic with Klein quality results

Professional Convenience & Safety

  • Complete Size Range - Kit contains most popular electrical sizes: 7/8-inch, 1-1/8-inch, 1-3/8-inch, 1-3/4-inch, 2-inch, and 2-1/2-inch for comprehensive coverage
  • Easy Slug Removal - Multiple leverage points designed for quick, safe material removal without damage to cutting edge
  • Professional Organization - Includes two arbors and rugged carrying case for secure transport and organized storage on job sites

Technical Specifications

8-piece bi-metal hole saw kit with sizes 7/8-inch, 1-1/8-inch, 1-3/8-inch, 1-3/4-inch, 2-inch, and 2-1/2-inch diameter capacity. Kit dimensions: 7.0 inches height x 3.0 inches width x 7.0 inches depth, total weight 2.6 pounds. Includes two professional arbors and rugged carrying case. Optimized for hole making in wood, plastic, mild steel, and stainless steel applications with professional-grade bi-metal construction.

Installation & Usage

  1. Select appropriate hole saw size for electrical box, conduit, or fixture installation requirements
  2. Install hole saw on arbor with pilot drill point set 1/8-inch beyond tooth points for proper cutting alignment
  3. Mark cutting location and ensure work surface is properly secured before beginning operation
  4. Begin cutting at low speed, allowing bi-metal teeth to establish cutting groove before increasing speed
  5. Maintain steady pressure and allow Klein's optimized tooth pattern to cut efficiently through material
  6. Use multiple leverage points for safe slug removal after completing cut, preserving cutting edge integrity

Professional Applications

Ideal for:

  • Electrical Installation - Outlet boxes, switch boxes, junction boxes, and electrical panel installations in various wall materials
  • Construction Work - Framing, drywall installation, ceiling work, and structural modifications requiring precise hole cutting
  • HVAC Applications - Ductwork penetrations, ventilation installations, and mechanical system access holes
  • Telecommunications - Cable routing, equipment mounting, and communication system installations
  • Industrial Maintenance - Equipment modifications, repair access holes, and facility maintenance projects
  • Residential Wiring - Home electrical upgrades, fixture installations, and residential construction projects
  • Commercial Electrical - Office buildings, retail spaces, and commercial facility electrical installations
  • Contractor Applications - Multi-trade projects requiring versatile hole cutting capability across various materials

Bi-Metal Technology Advantage

Klein Tools bi-metal hole saw construction combines high-speed steel cutting edges with flexible alloy steel bodies, delivering superior cutting performance and extended tool life. The optimized teeth pattern ensures fast, consistent cutting through both ferrous and non-ferrous materials while maintaining precision and reducing cutting time on professional installations.

Why Choose Klein Tools Quality?

Since 1857, Klein Tools has maintained America's commitment to professional-grade tool manufacturing, with rigorous testing protocols and safety standards that electrical contractors and construction professionals trust. Each hole saw kit reflects Klein's dedication to precision engineering, durability testing, and the reliable performance that has made Klein Tools the preferred choice for electrical professionals nationwide.



KLN-31902 - spec sheet

Manufacturer Resources

Product Specs

Application:
Hole Making in Wood, Plastic, Mild and Stainless Steel
Depth:
7.0000 in
Height:
7.0000 in
Type:
Bi Metal
Weight:
2.6000 lbs
Width:
3.0000 in
Product Type:
Bi Metal
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Knives & Blades