• Diatop Rooftop Wet Core Drill Bits (WRCD)
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Diatop Rooftop Wet Core Drill Bits (WRCD)

Diatop Rooftop Wet Core Drill Bits (WRCD)

High-performance wet diamond core drill bits for fast drilling and long life in reinforced and very hard concrete.

Key features

  • Premium, Supreme and Ultra quality available; standard barrel length 14 in (350 mm), other lengths on request
  • Thread 5/8-11 for 3/4-1 1/2 in bits and 1 1/4-7 for 1 5/8 in and larger
  • Bonds: SC for very hard aggregate with heavy reinforcing, MC for hard aggregate with light reinforcing, HC for asphalt and block
  • Rooftop segments
WRCD-025 Diameter: 25 mm (1 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 3
WRCD-029 Diameter: 29 mm (1 1/8 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 4
WRCD-032 Diameter: 32 mm (1 1/4 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 4
WRCD-035 Diameter: 35 mm (1 3/8 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 4
WRCD-038 Diameter: 38 mm (1 1/2 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 5
WRCD-044 Diameter: 44 mm (1 3/4 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 5
WRCD-048 Diameter: 48 mm (1 7/8 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 5
WRCD-051 Diameter: 51 mm (2 in) | Segment Size (L x T x H): 24 x 3.0 x 7 mm | Segments: 5
WRCD-057 Diameter: 57 mm (2 1/4 in) | Segment Size (L x T x H): 24 x 3.0 x 7 mm | Segments: 6
WRCD-060 Diameter: 60 mm (2 3/8 in) | Segment Size (L x T x H): 24 x 3.0 x 7 mm | Segments: 6
WRCD-064 Diameter: 64 mm (2 1/2 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 6
WRCD-070 Diameter: 70 mm (2 3/4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 7
WRCD-076 Diameter: 76 mm (3 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 7
WRCD-083 Diameter: 83 mm (3 1/4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 7
WRCD-089 Diameter: 89 mm (3 1/2 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 8
WRCD102 Diameter: 102 mm (4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 9
WRCD-108 Diameter: 108 mm (4 1/4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 9
WRCD-114 Diameter: 114 mm (4 1/2 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 10
WRCD-117 Diameter: 117 mm (4 5/8 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 10
WRCD-127 Diameter: 127 mm (5 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 11
WRCD-140 Diameter: 140 mm (5 1/2 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 12
WRCD-152 Diameter: 152 mm (6 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 13
WRCD-159 Diameter: 159 mm (6 1/4 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 13
WRCD-178 Diameter: 178 mm (7 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 14
WRCD-203 Diameter: 203 mm (8 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 16
WRCD-229 Diameter: 229 mm (9 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 17
WRCD-254 Diameter: 254 mm (10 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 18
WRCD-305 Diameter: 305 mm (12 in) | Segment Size (L x T x H): 24 x 4.5 x 7 mm | Segments: 20
WRCD-356 Diameter: 356 mm (14 in) | Segment Size (L x T x H): 24 x 4.5 x 7 mm | Segments: 21
Core BitsDiatop
29 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Diatop Rooftop Wet Core Drill Bits (WRCD)

Brand Diatop·Core Bits

Available part numbers (29)

WRCD-025, WRCD-029, WRCD-032, WRCD-035, WRCD-038, WRCD-044, WRCD-048, WRCD-051, WRCD-057, WRCD-060 + 19 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
WRCD-025Diameter: 25 mm (1 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 3
WRCD-029Diameter: 29 mm (1 1/8 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 4
WRCD-032Diameter: 32 mm (1 1/4 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 4
WRCD-035Diameter: 35 mm (1 3/8 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 4
WRCD-038Diameter: 38 mm (1 1/2 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 5
WRCD-044Diameter: 44 mm (1 3/4 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 5
WRCD-048Diameter: 48 mm (1 7/8 in) | Segment Size (L x T x H): 15 x 3.0 x 7 mm | Segments: 5
WRCD-051Diameter: 51 mm (2 in) | Segment Size (L x T x H): 24 x 3.0 x 7 mm | Segments: 5
WRCD-057Diameter: 57 mm (2 1/4 in) | Segment Size (L x T x H): 24 x 3.0 x 7 mm | Segments: 6
WRCD-060Diameter: 60 mm (2 3/8 in) | Segment Size (L x T x H): 24 x 3.0 x 7 mm | Segments: 6
WRCD-064Diameter: 64 mm (2 1/2 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 6
WRCD-070Diameter: 70 mm (2 3/4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 7
WRCD-076Diameter: 76 mm (3 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 7
WRCD-083Diameter: 83 mm (3 1/4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 7
WRCD-089Diameter: 89 mm (3 1/2 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 8
WRCD102Diameter: 102 mm (4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 9
WRCD-108Diameter: 108 mm (4 1/4 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 9
WRCD-114Diameter: 114 mm (4 1/2 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 10
WRCD-117Diameter: 117 mm (4 5/8 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 10
WRCD-127Diameter: 127 mm (5 in) | Segment Size (L x T x H): 24 x 3.5 x 7 mm | Segments: 11
WRCD-140Diameter: 140 mm (5 1/2 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 12
WRCD-152Diameter: 152 mm (6 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 13
WRCD-159Diameter: 159 mm (6 1/4 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 13
WRCD-178Diameter: 178 mm (7 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 14
WRCD-203Diameter: 203 mm (8 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 16
WRCD-229Diameter: 229 mm (9 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 17
WRCD-254Diameter: 254 mm (10 in) | Segment Size (L x T x H): 24 x 4.0 x 7 mm | Segments: 18
WRCD-305Diameter: 305 mm (12 in) | Segment Size (L x T x H): 24 x 4.5 x 7 mm | Segments: 20
WRCD-356Diameter: 356 mm (14 in) | Segment Size (L x T x H): 24 x 4.5 x 7 mm | Segments: 21

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