RUKO juego de 20 sierras de corona HSS bimetálicas 19-76 mm con portabrocas, brocas piloto, prolongador y adaptadores en maletín

This 20-piece hole saw set delivers a complete cutting solution for professionals and DIY enthusiasts, featuring 13 HSS bi-metal hole saws from 19 to 76 mm for fast, clean holes in a wide range of materials. The set includes two arbors (A2 and A4), two HSS-G pilot drills, a 300 mm extension, and two adapters (A2 to A4 and A4 to A2), all organized in a sturdy storage case.

Advantages

Variable pitch teeth (4/6 ZpZ) ensure smooth cutting and long life, while the hexagonal shank provides a secure grip in cordless drills, electric drills, and drill presses. The bi-metal construction combines a high-speed steel cutting edge with a flexible alloy steel body for durability and resistance to breakage.

Suitable for

• Steel
• Stainless steel
• Non-ferrous metals
• Cast iron
• Aluminum
• Wood
• Plastics
• Plasterboard

Key specifications

• Number of pieces: 20
• Hole saw diameters: 19, 22, 25, 29, 32, 35, 38, 44, 51, 57, 64, 68, 76 mm
• Cutting depth: 38 mm
• Arbor types: A2, A4
• Extension length: 300 mm
• Adapter types: A2 to A4, A4 to A2
• Tooth type: Variable pitch (4/6 ZpZ)
• Shank type: Hexagonal
• Storage case included

Recommendations

For best results, use a suitable cutting fluid when drilling metals and ensure the drill is set to the appropriate speed for the material. Always secure the workpiece and wear appropriate personal protective equipment.