Achieve clean, accurate, and professional finishes with the RIGHT LINES High-Speed Steel (HSS) 3-Flute Countersink Set. This premium 6-piece kit is engineered for precise 90° countersinking and chamfering in a wide variety of materials including steel, stainless steel, aluminium, copper, wood, and plastics.

Perfect for DIY enthusiasts, tradespeople, and professionals, this set offers efficient 2-in-1 drilling and deburring, reducing time and tool changes.

✅ Key Features:

• 6-Piece Set Sizes: Ø6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, and 20.5mm

• 90° Countersink Angle: Perfect for precision chamfering and deburring

• Material: Made from high-grade M2 HSS (High Speed Steel) for superior durability and heat resistance

• 3-Flute Design: Ensures chatter-free performance and smooth, stable cutting

• 2-in-1 Functionality: Drills and chamfers in a single step—ideal for time-saving workflows

• Universal Round Shank: Compatible with hand drills, drill presses, and bench drills

• Compact Plastic Storage Box: Keeps your set organized and protected

🧱 Suitable For:

• Metals: Mild steel, stainless steel (up to 2mm), cast steel, copper, brass, aluminium

• Non-Metals: Wood, MDF, PVC, plastic sheets

• Industrial & Home Use: Engineering, construction, cabinet making, metalwork, fabrication

📦 What’s Included:

• 6x HSS 90° Countersink Bits (Ø6.3mm to 20.5mm)

• 1x Durable Plastic Storage Box

⚙️ Specifications:

• Angle: 90°

• Material: M2 High-Speed Steel

• Flutes: 3 for smooth cutting and improved chip evacuation

• Shank Type: Round – fits most standard drills and presses

• Application: Chamfering, deburring, countersinking, and drilling

🌟 Why Choose RIGHT LINES Countersinks?

• Long-lasting Performance: Heat-resistant M2 HSS keeps cutting edge sharper, longer

• Multi-Material Versatility: One kit for metal, wood, and plastic applications

• Efficient Design: 3-flute profile for reduced vibration and cleaner finishes

• Ready for the Job: All common sizes included for professional results in less time