UNIKA Step Drill Quattro SPQ-422 SPQ-422 1 piece

Catalogue number: SPQ-422 Features: ● Heat-resistant titanium coating for long life Applications: ● Thin steel plate/aluminum (2MM), stainless steel (2MM), wood, plastic, etc. Specifications: ● Step width (mm): 4 ● Number of steps (steps): 10 ● Shank shape: hexagonal shaft ● Shank diameter (mm): 6.35 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 ● Overall length (mm): 85 ● Blade diameter (mm): 22 ● Surface treatment: heat-resistant titanium coating, 4 blades ● Compatible models: rechargeable impact driver