The EXTOL PREMIUM 8801160 Step Drill Bit is designed for quick and precise drilling of holes ranging from 4 to 12 mm in diameter. Made from high-speed steel (HSS), it offers high wear resistance and excellent performance for professional or laboratory use.

The double cutting edge ensures efficient cutting and easy chip removal, while the geometry according to DIN 1412C standard contributes to accurate centering and reduced vibration during drilling.

This drill bit is recommended for processing sheet metal, aluminum, copper, plastics, and other thin materials. Its stepped design allows achieving multiple diameter sizes with a single tool, eliminating the need for frequent drill bit changes.

Thanks to its robust construction and sharp edges, the drill bit provides clean holes with minimal burrs, making it ideal for electrical, plumbing, mechanical contractors, and DIY projects.

• Diameter: 4-12 mm
• Material: HSS
• Cutting Edges: 2
• Drilling Depth: 4 mm
• Edge Standard: DIN 1412C

Recommended use: The drill bit is recommended for drilling sheet metal, aluminum, copper, plastics, and other thin materials. Suitable for mechanical workshops, electrical works, installations, metal fabrication, and DIY projects.

Technical Specifications:

• Brand: EXTOL PREMIUM
• Model: 8801160
• Product Type: Step Drill Bit
• Material: HSS
• Diameter: 4-12 mm
• Cutting Edges: 2
• Drilling Depth: 4 mm
• Edge Standard: DIN 1412C

Package Contents:

• ✓ EXTOL PREMIUM 8801160 HSS Step Drill Bit

Frequently Asked Questions:

• What diameters can it drill? The drill bit allows drilling holes from 4 to 12 mm.
• What material is it made from? It is made of high-speed steel (HSS), resistant to wear.
• For which materials is it recommended? It can be used on sheet metal, aluminum, copper, plastic, and other thin materials.
• What does DIN 1412C mean? It represents the edge geometry, optimized for precise centering and controlled drilling.
• Does it have two cutting edges? Yes, the drill bit features two edges for efficient cutting and easy chip removal.