The perfect tools for creating precise access holes ranging from 5/16" to 1 3/8".
 
Made from HSSE-Co 5 (high-speed steel with 5% cobalt), this step drill offers exceptional heat and wear resistance, ensuring a significantly longer lifespan compared to standard alternatives.
 
Imported from Germany, it meets the high standards of the machining industry and stands out as the top choice for duct cleaning professionals, thanks to its superior durability and efficiency. These step drills last longer than any other alternative, making them a cost-effective solution.
 
Step Drill 1'' fit with : Plastic Plug 1'' (PP1)
Step Drill 1 3/8'' fit with : Plastic Plug 1 3/8'' (PP1-3/8)
 
SKU: STEPDRILL1, STEPDRILL1-3/8