4-12/4-20/4-32mm Spiral Grooved Step Drill Bits HSS Titanium Coated Drill Hex Shank Cutting Tool for Wood, Stainless Steel,Metal

High-performance spiral groove design These 4-12/4-20/4-32mm spiral grooved step drill bits feature precision engineering for smooth cutting in wood, stainless steel, and metal. The spiral grooves efficiently remove debris for cleaner, faster drilling.

Titanium-coated HSS construction Made from HSS  with a durable titanium coating, these drill bits offer enhanced hardness, heat resistance, and longer service life across various materials.

Multiple size options available Choose from 4-12mm, 4-20mm, and 4-32mm sizes to suit different drilling needs. Each set includes three bits, providing versatility for a wide range of DIY and workshop projects.

Hex shank for secure fit Equipped with a hex shank, these drill bits ensure a firm grip in standard drill chucks, minimizing slippage and improving drilling accuracy and efficiency.

Available in multiple color and packaging options Options include Black 3PCS No Bag, Black 3PCS With Bag, Gold 3PCS No Bag, Gold 3PCS With Bag, Gold 4-12mm, Gold 4-20mm, Gold 4-32mm for flexible selection based on storage and presentation needs.

Compact and lightweight packaging Each pack weighs only 0.168 kg and measures 13 x 9 x 3 cm, making it easy to store, transport, and organize in toolboxes or workspaces.

Designed for woodworking and metalwork Ideal for woodworking and metal drilling applications, these core drill bits deliver consistent performance on materials like wood, stainless steel, and general-purpose metals.