Bi-Metal Hole Saw for Steel Plates

• Customization: Available
• Type: Hole Saw
• Material: Metal
• Model NO.: 10mm ~~350mm
• Brand: Alston
• Processing Method: Transverse Saw
• Shape: Circular Saw
• Size: Common
• Handle Color: Pure
• Adjusted: Unadjustable
• Folded: Unfolded
• Use Place: Building Decoration
• Transport Package: White Box
• Specification: SGS
• Trademark: ALSTON
• Origin: Jiangsu
• HS Code: 8202310000
• Production Capacity: 50000PCS/Year
• Package Size: 37.00cm * 33.00cm * 15.00cm
• Package Gross Weight: 15.000kg

Product Description

Bi-Metal Hole Saw is a specialized cutting tool designed for creating clean, precise holes in various materials, particularly metals.    Here's a detailed breakdown of its features, applications, and considerations:

Construction & Design
Bi-Metal Composition: Combines two metals for optimal performance:

High-Speed Steel (HSS) Teeth: Hard and durable, retaining sharpness for efficient cutting through tough materials like steel, stainless steel, and cast iron.

Flexible Alloy Steel Body: Provides resilience to withstand torque and stress, reducing the risk of breakage.

Design: Cylindrical shape with serrated teeth on the edge and a central pilot drill bit for alignment and stability.

Key Features
Durability: Longer lifespan compared to single-material hole saws, especially in metal-cutting applications.

Versatility: Effective on wood, plastic, and non-ferrous metals, but excels in cutting hardened metals.

Heat Resistance: Reduced heat buildup due to HSS teeth, often enhanced with coatings (e.g., titanium nitride) for added hardness.

Tooth Configurations: Varied tooth pitches (e.g., variable or constant) to minimize vibration and binding.

Applications
Common Uses: Plumbing, electrical work, HVAC, and metal fabrication for cutting pipes, sheet metal, and conduits.

Materials: Ideal for steel, aluminum, copper, wood, PVC, and fiberglass.

Advantages
Cost-Effectiveness: Longer service life offsets higher initial cost.

Efficiency: Faster cutting speeds with reduced effort in metal applications.

Adaptability: Compatible with standard drills and arbors.

Limitations
Cost: More expensive than carbon steel hole saws.

Material Suitability: Overkill for soft materials like wood where cheaper options suffice.

Depth Limitation: Cutting depth restricted by the hole saw's length (typically 1-2 inches).

Usage Tips
Speed & Pressure: Use lower RPMs for metals with steady pressure;    higher speeds for softer materials.

Cooling: Apply cutting fluid (e.g., WD-40) for metals to reduce heat and extend lifespan.

Safety: Secure the workpiece, wear protective gear, and ensure the pilot bit is sharp to prevent wandering.

Maintenance
Cleaning: Remove debris after use to prevent clogging.

Sharpening: Possible for HSS teeth but often replaced when dull.

Storage: Keep dry to avoid rust;    use protective cases.


Conclusion
A bi-metal hole saw is a robust, versatile tool ideal for demanding metal-cutting tasks.    Its dual-material construction balances cutting efficiency and durability, making it a valuable investment for professionals and DIY enthusiasts tackling mixed materials.    Proper technique and maintenance maximize its performance and longevity.