Construction: Single Spiral / Double Stem (SS/DS)
CROWN P/N: 28091-01
making it versatile across multiple setups
Often used in OEM burner systems and custom ignition assemblies
which is designed for fast tool changes and efficient cutting through tough materials like wood
Step Drill, 1/4"-3/4" - Malco Construction: Single Spiral / DoubleThe Malco UB3 Step Drill is a high quality tool designed for precision and durability, ideal for professionals working with various materials. Here are the key features and details: Hole Sizes: The UB3 step drill can create nine different hole sizes ranging from 1 4 inch to 3 4 inch in diameter. The sizes include 1 4, 5 16, 3 8, 7 16, 1 2, 9 16, 5 8, 11 16, and 3 4 inch Step Increments: Each step increment is 1 16 inch, allowing for precise control