• Diatop Rooftop Dry Core Drill Bit for Granite and Quartz
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Diatop Rooftop Dry Core Drill Bit for Granite and Quartz

Diatop Rooftop Dry Core Drill Bit for Granite and Quartz

Dry diamond core drill bit, one of the finest core bits for granite and quartz.

Key features

  • Original rooftop segment design gives faster penetration at the start of drilling
  • Top quality diamonds drill hard granite easily, with a unique sintering process for a soft bond matrix
  • High-tech silver brazing prevents segment loss; other diameters on request

Specifications

Thread 5/8"-11, M14
RDK 25 Diameter (inch): 1 in | Diameter (mm): 25 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 28 Diameter (inch): 1 1/8 in | Diameter (mm): 28 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 32 Diameter (inch): 1 1/4 in | Diameter (mm): 32 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 35 Diameter (inch): 1 3/8 in | Diameter (mm): 35 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 38 Diameter (inch): 1 1/2 in | Diameter (mm): 38 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 40 Diameter (inch): 1 5/8 in | Diameter (mm): 40 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 45 Diameter (inch): 1 3/4 in | Diameter (mm): 45 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 50 Diameter (inch): 2 in | Diameter (mm): 50 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 60 Diameter (inch): 2 3/8 in | Diameter (mm): 60 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 64 Diameter (inch): 2 1/2 in | Diameter (mm): 64 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 75 Diameter (inch): 3 in | Diameter (mm): 75 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 100 Diameter (inch): 4 in | Diameter (mm): 100 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 125 Diameter (inch): 5 in | Diameter (mm): 125 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
Diamond Core Drill BitsDiatop
13 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Diatop Rooftop Dry Core Drill Bit for Granite and Quartz

Brand Diatop·Diamond Core Drill Bits

Available part numbers (13)

RDK 25, RDK 28, RDK 32, RDK 35, RDK 38, RDK 40, RDK 45, RDK 50, RDK 60, RDK 64 + 3 more — see full table ↓

How to order

Send the Diatop part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
RDK 25Diameter (inch): 1 in | Diameter (mm): 25 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 28Diameter (inch): 1 1/8 in | Diameter (mm): 28 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 32Diameter (inch): 1 1/4 in | Diameter (mm): 32 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 35Diameter (inch): 1 3/8 in | Diameter (mm): 35 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 38Diameter (inch): 1 1/2 in | Diameter (mm): 38 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 40Diameter (inch): 1 5/8 in | Diameter (mm): 40 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 45Diameter (inch): 1 3/4 in | Diameter (mm): 45 mm | Segment Thickness: 3 mm | Thread: 5/8"-11, M14
RDK 50Diameter (inch): 2 in | Diameter (mm): 50 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 60Diameter (inch): 2 3/8 in | Diameter (mm): 60 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 64Diameter (inch): 2 1/2 in | Diameter (mm): 64 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 75Diameter (inch): 3 in | Diameter (mm): 75 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 100Diameter (inch): 4 in | Diameter (mm): 100 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14
RDK 125Diameter (inch): 5 in | Diameter (mm): 125 mm | Segment Thickness: 3.3 mm | Thread: 5/8"-11, M14

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