AI5818 4-22mm Multi-Step Drill Bit with 10 Flutes, 58-60HRC, Nitrided Surface, Quick-Connect Adapter
This industrial step drill bit features a 4-22mm diameter range with 10 precision flutes and a quick-connect adapter. Made from 4241 nitrided steel (58-60HRC), it ensures efficient drilling in sheet metal, plastics, and composite materials for automotive and manufacturing applications.
We also offer this product in 6542 steel with oil-treated surface.
Spesifikasies
Produkbeskrywing
Precision Multi-Step Drilling: Engineered with 10 graduated steps (4-22mm) and spiral flutes for clean hole enlargement. Each step has a 4.2mm cutting edge and 1mm chamfer to prevent material deformation during transitions.
Industrial-Grade Durability: Constructed from 4241 steel with nitriding treatment, achieving 58-60HRC hardness for extended wear resistance. The 52mm cutting length and 75mm total length optimize control in high-precision tasks.
Quick-Connect Compatibility: Includes a 60mm bidirectional adapter with 50BV30 core (38-42HRC) and 45# steel shell for rapid tool changes. Ensures secure gripping in both manual and automated drilling systems.
Automotive & Industrial Applications: Ideal for vehicle panel fabrication, electrical cabinet assembly, and HVAC ductwork. The burr-reducing design maintains clean edges in stainless steel, aluminum, and polymer sheets up to 6mm thick.
Enhanced Productivity: The helical flute geometry enables efficient chip removal during continuous operation, reducing downtime in production lines and repair workshops.
