6-piece M14 diamond drill hole saw Ø 20/35/40/45/50/68mm wet+dry

M14 Diamond Core Bit Premium | Dry Drilling Set 20-68mm + Diamond Finger Bit

Professional Core Features

• Vacuum-soldered technology: 5× longer service life compared to standard bits
• Dry-drill optimized: No water cooling required (marble, granite, porcelain stoneware)
• M14 universal fit: Compatible with all angle grinders (Bosch, Makita, DeWalt, etc.)
• Diamond finger bit: For reworking and enlarging holes

Technical Specifications

Practical Applications

• Ø68 mm: Sockets & flush-mounted boxes
• Ø50-60 mm: Drain installations
• Ø32-40 mm: Water pipes & inlets
• Ø20 mm: Cable routing & plumbing connections

Expert Recommendations for Maximum Efficiency

• Drilling technique: Slight rocking of the crown activates the diamond segments; 15°–30° angled approach allows starting without pilot aids
• Cooling management: After 20 minutes of operation, cool in water for 2 minutes → +40% service life
• Pressure control: Max 5 kg feed force for smooth cut edges

Key Benefits at a Glance

• Lightning-fast drilling performance: 1 cm in 10–15 seconds (porcelain stoneware)
• Anti-jamming system: Double-sided diamond coating prevents tilting
• Energy-efficient: 30% shorter setup times thanks to ready-to-use design

Scope of Delivery

• 5 × M14 diamond core bits (20/27/35/55/68 mm)
• 1 × 20 mm diamond finger bit
• 1 × M14-HEX adapter (3/8" compatibility)
• DE/EN user manual with material reference table

Safety Notice

• Use only with safety goggles
• Not suitable for reinforced concrete
• Observe maximum drilling depth of 40 mm

Engineered by professionals – where precision meets straightforward handling.