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78mm Diamond Core bits

The 78mm Diamond Core Bit (DC78) is a drilling accessory for Primary Pro heat pump installations.

  • 78mm diamond-tipped core bit for clean masonry drilling
  • Compatible with Primary Pro 22mm and 28mm sleeve systems
  • DC78 model designation ensures precise Primary Pro integration
  • Expertly engineered for accurate hole diameters in installation work

Use with Primary Pro sleeves for drilling access holes during heat pump installation.

£ 35.00 £ 35.00 (Tax included)
£ 35.00 (Tax included)

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