5Pack Step Drill Bit & 5Pack Countersink Drill Bit Set 50 Sizes for Metal
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This comprehensive drill bit set includes 5 step drill bits covering 50 sizes from 3/16 to 1-3/8 inches, plus 5 countersink bits in sizes 1/4 to 3/4 inches. Made from high-speed steel with titanium coating, these bits offer excellent wear and heat resistance, lasting 3x longer than uncoated bits. The 118 split point tip reduces friction for efficient cutting, while laser-etched size markings ensure precise drilling...
add_circle The Upside
- check Versatile set covers a wide range of sizes for various drilling needs
- check Titanium coating extends bit life and reduces heat buildup
- check Split point tip allows for clean, accurate starts without walking
remove_circle The Downside
- close Not suitable for drilling metal thicker than 5mm, as bits may break
- close Requires periodic cooling during extended use to prevent overheating
- close Brand not specified, which may affect perceived quality
Specifications & features
Key features
- check_circle 5 step drill bits replace 50 conventional sizes (3/16-1/2, 1/8-1/2, 1/4-3/4, 3/16-7/8, 1/4-1-3/8 inches)
- check_circle 5 countersink bits (1/4, 3/8, 1/2, 5/8, 3/4 inches)
- check_circle High-speed steel with titanium coating for durability and heat resistance
- check_circle 118 split point tip minimizes friction and improves cutting efficiency
- check_circle Laser-etched size markings for precise drilling
Specifications
Application
Metal, wood, plastic, composite materials (metal under 5mm)
Countersink Sizes
1/4, 3/8, 1/2, 5/8, 3/4 inches
Markings
Laser-etched size markings
Material
High-speed steel with titanium coating
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