shaoxing zenithcraft tools CO.,LTD
                                                                                                           
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HSS 13pc Bi-Metal Hole Saw Set with 38mm-47mm Cutting Depth and 64-69 HRC Hardness for Metal, Wood, Plastic

Price Negotiable
Price: Best Factory Price
MOQ: Negotiable
Delivery Time: Less Than 45 Days
Brand: OEM/ODM/OBM
Product Description
Product Overview
This professional 13-piece bi-metal hole saw set delivers exceptional cutting performance across multiple materials. Engineered with M3/M42 cobalt steel construction and heat-treated to 64-69 HRC hardness, these hole saws provide superior durability and extended service life.
Technical Specifications
Hole Saw Sizes
3/4" (19mm), 7/8" (22mm), 1-1/8" (29mm), 1-3/8" (35mm), 1-1/2" (38mm), 1-3/4" (44mm), 2" (51mm), 2-1/4" (57mm), 2-1/2" (64mm)
Cutting Depth
38mm / 44mm / 47mm maximum cutting capacity
Arbor Specifications
Shank Size Thread Size Fits Size Range
3/8" Hex 1/2-20 UN 14-30mm
7/16" Hex 5/8-18 UNF 32-210mm
Additional Components
1PC Pilot Drill: 2-7/8" x 1/4" (73mm x 6.35mm)
1PC Adapter: Converts 1/2-20 threads to fit hole saws with 5/8-18 threads
Key Features & Benefits
  • M3/M42 bi-metal construction with 8% cobalt content for maximum durability
  • 64-69 HRC hardness rating ensures long-lasting cutting performance
  • Variable pitch tooth design reduces vibration and provides smoother cutting
  • Concentricity tolerance less than 0.75mm for precise, accurate holes
  • Suitable for metal, plastic, wood, and various industrial materials
Applications
Ideal for plumbing, electrical, construction, and general industrial applications. Perfect for professionals requiring reliable hole cutting solutions in multiple materials.
Quality & Certification
ISO/BSCI certified manufacturing process ensures international quality standards compliance. Monthly production capacity of 100,000 units guarantees consistent availability.
Technical Support & Services
  • Expert selection guidance for specific application requirements
  • Troubleshooting assistance and maintenance recommendations
  • Comprehensive training resources for new users
  • Warranty coverage for defects and malfunctions
Packaging & Shipping
Each set includes protective plastic case for secure storage and transport. Ships within 2 business days with free standard shipping within the United States. International shipping available at additional cost.

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