The Bormax³ HM-equipped Forstner bit combines a carbide centering tip, carbide main blade and carbide-tipped serrated rim for clean, precise holes. Its hex shank delivers superior torque transfer for freehand or stationary use. Compatible with 1639 extensions for deep-hole drilling up to 120 mm.

✨ Key Features

• Carbide-tipped Geometry – Centering tip, main cutter & serrated rim for minimal wander and tear-free edges

• Hexagonal Shank – 8 mm for Ø 15–20 mm bits; 10 mm for Ø 22–60 mm bits, ensuring slip-free power transfer

• Serrated Peripheral Rim – Grooved teeth reduce feed force, friction and heat

• Universal Material Compatibility – Freehand drilling in European & exotic hardwoods, MDF, coated/uncoated chipboard, acrylic, Corian®, GFK, HPL, polycarbonate, PVC, Trespa®

• Low Heat Buildup – Carbide edges and optimal flute design extend cutting life

• Deep-Hole Ready – Pair with FAMAG 1639 extensions for depths beyond 57 mm

⚙️ Technical Specs

• Diameter Range: 15 – 60 mm (inch sizes from ⅝″ to 2″)

• Cutting Length (NL): 57 mm

• Overall Length (GL): 90 mm

• Shank Diameter: 8 mm (Ø 15–20 mm) & 10 mm (Ø 22–60 mm)

• Material: Carbide-tipped HSS on alloyed tool steel core

🪵 Applications

• Precision hinge-cup and concealed hardware boring

• Dowels, pocket holes & countersinks in wood and composites

• Clean edge-to-edge holes in panels and solid timber

• Angle drilling in stair components and end grain

📦 Sets Available 

• 4-piece set (F1663504): Ø 35, 40, 45, 50 mm
• 5-piece set (F1663505): Ø 15, 20, 25, 30, 35 mm
• 6-piece set (F1663606): Ø 15, 20, 25, 30, 35, 40 mm
• 7-piece set (F1633570): Ø 15, 20, 25, 30, 35, 40, 50 mm
• 8-piece set (F1633508): Ø 15, 20, 25, 30, 35, 40, 45,50 mm

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💡 Why Choose Bormax³ HM

With its carbide-tipped cutting edges, serrated rim and robust hex shank, the Bormax³ HM Forstner bit delivers unmatched precision, faster cuts and extended tool life across wood, plastics and composites. Perfect for craftsmen demanding versatility and deep-hole performance.