Wet Core Drill Bits

Wet / Rooftop and Turbo rooftop segments / For reinforced concrete and very hard concrete

Professional Wet Core Drill Bits for Reinforced and Very Hard Concrete

Wet core drilling requires a diamond core bit capable of maintaining drilling efficiency and segment life when working through reinforced and very hard concrete.

DIATOP WET CORE DRILL BITS are high-performance diamond core drill bits and segments designed for fast drilling and long service life.

The range includes both Rooftop core bits and Turbo rooftop core bits, with multiple diameters, segment specifications, and segment counts available for different drilling requirements.

Premium, Supreme, and Ultra quality grades are available. Other barrel lengths are also available upon request.

Type of Equipment: D (Core Drills)

Key Features

• High-performance diamond core drill bits and segments for fast drilling and long life.

• High-efficiency drilling in reinforced concrete and very hard concrete.

• Premium, Supreme, and Ultra quality available.

• Rooftop core bit configuration available.

• Turbo rooftop core bit configuration available.

• Other barrel lengths available upon request.

• Wet drilling.

Bond Selection

Hardness and Reinforcing / Bond

• Very hard aggregate with heavy reinforcing – SC

• Hard aggregate with light reinforcing – MC

• Asphalt, Block – HC

Thread

Bit Diameter / Thread Type

• 3/4"–1 1/2" – 5/8"-11

• 1 5/8"+ – 1 1/4"-7

Rooftop Core Bits

Available Sizes

Item – Diameter inch / Diameter mm / Segment L x T x H mm / No. of Segments

• WRCD-025 – 1 inch / 25 mm / 15 x 3.0 x 7 mm / 3

• WRCD-029 – 1 1/8 inch / 29 mm / 15 x 3.0 x 7 mm / 4

• WRCD-032 – 1 1/4 inch / 32 mm / 15 x 3.0 x 7 mm / 4

• WRCD-035 – 1 3/8 inch / 35 mm / 15 x 3.0 x 7 mm / 4

• WRCD-038 – 1 1/2 inch / 38 mm / 15 x 3.0 x 7 mm / 5

• WRCD-044 – 1 3/4 inch / 44 mm / 15 x 3.0 x 7 mm / 5

• WRCD-048 – 1 7/8 inch / 48 mm / 15 x 3.0 x 7 mm / 5

• WRCD-051 – 2 inch / 51 mm / 24 x 3.0 x 7 mm / 5

• WRCD-057 – 2 1/4 inch / 57 mm / 24 x 3.0 x 7 mm / 6

• WRCD-060 – 2 3/8 inch / 60 mm / 24 x 3.0 x 7 mm / 6

• WRCD-064 – 2 1/2 inch / 64 mm / 24 x 3.5 x 7 mm / 6

• WRCD-070 – 2 3/4 inch / 70 mm / 24 x 3.5 x 7 mm / 7

• WRCD-076 – 3 inch / 76 mm / 24 x 3.5 x 7 mm / 7

• WRCD-083 – 3 1/4 inch / 83 mm / 24 x 3.5 x 7 mm / 7

• WRCD-089 – 3 1/2 inch / 89 mm / 24 x 3.5 x 7 mm / 8

• WRCD102 – 4 inch / 102 mm / 24 x 3.5 x 7 mm / 9

• WRCD-108 – 4 1/4 inch / 108 mm / 24 x 3.5 x 7 mm / 9

• WRCD-114 – 4 1/2 inch / 114 mm / 24 x 3.5 x 7 mm / 10

• WRCD-117 – 4 5/8 inch / 117 mm / 24 x 3.5 x 7 mm / 10

• WRCD-127 – 5 inch / 127 mm / 24 x 3.5 x 7 mm / 11

• WRCD-140 – 5 1/2 inch / 140 mm / 24 x 4.0 x 7 mm / 12

• WRCD-152 – 6 inch / 152 mm / 24 x 4.0 x 7 mm / 13

• WRCD-159 – 6 1/4 inch / 159 mm / 24 x 4.0 x 7 mm / 13

• WRCD-178 – 7 inch / 178 mm / 24 x 4.0 x 7 mm / 14

• WRCD-203 – 8 inch / 203 mm / 24 x 4.0 x 7 mm / 16

• WRCD-229 – 9 inch / 229 mm / 24 x 4.0 x 7 mm / 17

• WRCD-254 – 10 inch / 254 mm / 24 x 4.0 x 7 mm / 18

• WRCD-305 – 12 inch / 305 mm / 24 x 4.5 x 7 mm / 20

• WRCD-356 – 14 inch / 356 mm / 24 x 4.5 x 7 mm / 21

* Standard barrel length is 14" (350 mm)

Turbo Rooftop Core Bits

Available Sizes

Item – Diameter inch / Diameter mm / Segment L x T x H mm / No. of Segments

• WTCD-035 – 1 3/8 inch / 35 mm / 15 x 3.0 x 10 mm / 4

• WTCD-038 – 1 1/2 inch / 38 mm / 15 x 3.0 x 10 mm / 5

• WTCD-044 – 1 3/4 inch / 44 mm / 15 x 3.0 x 10 mm / 5

• WTCD-048 – 1 7/8 inch / 48 mm / 15 x 3.0 x 10 mm / 5

• WTCD-051 – 2 inch / 51 mm / 24 x 3.0 x 10 mm / 5

• WTCD-057 – 2 1/4 inch / 57 mm / 24 x 3.0 x 10 mm / 6

• WTCD-060 – 2 3/8 inch / 60 mm / 24 x 3.0 x 10 mm / 6

• WTCD-064 – 2 1/2 inch / 64 mm / 24 x 3.5 x 10 mm / 6

• WTCD-070 – 2 3/4 inch / 70 mm / 24 x 3.5 x 10 mm / 7

• WTCD-076 – 3 inch / 76 mm / 24 x 3.5 x 10 mm / 7

• WTCD-083 – 3 1/4 inch / 83 mm / 24 x 3.5 x 10 mm / 7

• WTCD-089 – 3 1/2 inch / 89 mm / 24 x 3.5 x 10 mm / 8

• WTCD-102 – 4 inch / 102 mm / 24 x 3.5 x 10 mm / 9

• WTCD-108 – 4 1/4 inch / 108 mm / 24 x 3.5 x 10 mm / 9

• WTCD-114 – 4 1/2 inch / 114 mm / 24 x 3.5 x 10 mm / 10

• WTCD-117 – 4 5/8 inch / 117 mm / 24 x 3.5 x 10 mm / 10

• WTCD-127 – 5 inch / 127 mm / 24 x 3.5 x 10 mm / 11

• WTCD-140 – 5 1/2 inch / 140 mm / 24 x 4.0 x 10 mm / 12

• WTCD-152 – 6 inch / 152 mm / 24 x 4.0 x 10 mm / 13

• WTCD-159 – 6 1/4 inch / 159 mm / 24 x 4.0 x 10 mm / 13

• WTCD-178 – 7 inch / 178 mm / 24 x 4.0 x 10 mm / 14

• WTCD-203 – 8 inch / 203 mm / 24 x 4.0 x 10 mm / 16

• WTCD-229 – 9 inch / 229 mm / 24 x 4.0 x 10 mm / 17

• WTCD-254 – 10 inch / 254 mm / 24 x 4.0 x 10 mm / 18

• WTCD-305 – 12 inch / 305 mm / 24 x 4.5 x 10 mm / 20

• WTCD-356 – 14 inch / 356 mm / 24 x 4.5 x 10 mm / 21

• WTCD-406 – 16 inch / 406 mm / 24 x 5.0 x 10 mm / 22

* Other barrel length is upon request.

Technical Notes

• Wet drilling.

• Rooftop and Turbo rooftop segment configurations available.

• Standard barrel length for Rooftop core bits: 14" (350 mm).

• Other barrel lengths available upon request.

• Thread for bit diameters 3/4"–1 1/2": 5/8"-11.

• Thread for bit diameters 1 5/8" and larger: 1 1/4"-7.

Quality Grade

• Premium

• Supreme

• Ultra

Typical Applications

wet core drilling, reinforced concrete core drilling, very hard concrete drilling, heavy reinforced concrete drilling, hard aggregate concrete drilling, light reinforced concrete drilling, asphalt core drilling, block core drilling, construction core drilling, rooftop core drilling, turbo rooftop core drilling

Q1. What wet core drill bit is recommended for reinforced and very hard concrete?

A. DIATOP WET CORE DRILL BITS are designed for high-efficiency drilling in reinforced concrete and very hard concrete. Rooftop and Turbo rooftop core bit configurations are available for different drilling requirements.

Q2. How do I select the bond for DIATOP WET CORE DRILL BITS?

A. The catalog specifies SC for very hard aggregate with heavy reinforcing, MC for hard aggregate with light reinforcing, and HC for asphalt and block.

Q3. What thread sizes are used on DIATOP WET CORE DRILL BITS?

A. Bit diameters from 3/4" to 1 1/2" use a 5/8"-11 thread, while diameters of 1 5/8" and larger use a 1 1/4"-7 thread.

For core drill bit selection guidelines, bond selection, thread compatibility, wet drilling conditions, barrel length options, and troubleshooting guidance, please visit the DIATOP Tech Notes section.