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Diamond Core Bits for Wet Drilling
Wet core bits from 25 to 350 mm
Wet drilling runs cooler and faster, and the range here covers everything from a service hole to a main penetration. Item IDs CA025WCB-CA350WCB are silver or laser welded.

What Diamond Core Bits for Wet Drilling Is For
The plant specification sheet describes this tool as for smooth, fast and wet drilling concrete and asphalt. That is exactly where it belongs, and where it stops.
The specification table lists 33 sizes, Item IDs CA025WCB to CA350WCB.
Inside Diamond Core Bits there are 2 items to choose between. This one is the wet core bits from 25 to 350 mm option — the comparison further down this page sets it against the others.
How It Is Built
Manufacturing route
Silver welded or laser welded. This is what holds the diamond in place under working load.
Item ID series
Ordering runs on the CA025WCB to CA350WCB series, so repeat orders return the same specification.
Sizes beyond the standard list
Other sizes and specifications are available upon request.
Export handling
Packed for export and shipped from Shangqiu, Henan. Give us your destination port with the enquiry.
Sizes and Item IDs
Taken from the plant specification sheets. Where a value is not published we say so rather than fill it in.
| Item ID | Diameter | Segment | Overall length | ||||
|---|---|---|---|---|---|---|---|
| mm | inch | length(mm) | width(mm) | height(mm) | no( pcs ) | mm | |
| CA025WCB | 25 | 1" | 17 | 3.5 | 10 | 4 | 400 |
| CA028WCB | 28 | 1-1/8" | 17 | 3.5 | 10 | 4 | 400 |
| CA032WCB | 32 | 1-1/4" | 16 | 3.5 | 10 | 4 | 400 |
| CA036WCB | 36 | 1-3/8" | 16 | 3.5 | 10 | 4 | 400 |
| CA038WCB | 38 | 1-1/2" | 16 | 3.5 | 10 | 4 | 400 |
| CA040WCB | 40 | 1-5/8" | 16 | 3.5 | 10 | 4 | 400 |
| CA045WCB | 45 | 1-3/4" | 16 | 3.5 | 10 | 4 | 400 |
| CA051WCB | 51 | 2" | 16 | 3.5 | 10 | 5 | 400 |
| CA056WCB | 56 | 2-1/5" | 22 | 3.5 | 10 | 5 | 400 |
| CA062WCB | 62 | 2-1/2" | 22 | 3.5 | 10 | 6 | 400 |
| CA066WCB | 66 | 2-3/5" | 22 | 3.5 | 10 | 6 | 400 |
| CA072WCB | 72 | 2-3/4" | 22 | 3.5 | 10 | 7 | 400 |
| CA076WCB | 76 | 3" | 22 | 3.5 | 10 | 8 | 400 |
| CA083WCB | 83 | 3-1/4" | 22 | 4 | 10 | 9 | 400 |
| CA089WCB | 89 | 3-1/2" | 22 | 4 | 10 | 10 | 400 |
| CA096WCB | 96 | 3-4/5" | 22 | 4 | 10 | 10 | 400 |
| CA102WCB | 102 | 4" | 22 | 4 | 10 | 10 | 400 |
| CA108WCB | 108 | 4-1/4" | 22 | 4 | 10 | 11 | 400 |
| CA116WCB | 116 | 4-3/5" | 22 | 4 | 10 | 11 | 400 |
| CA120WCB | 120 | 4-3/4" | 24 | 4 | 10 | 11 | 400 |
| CA127WCB | 127 | 5" | 24 | 4 | 10 | 11 | 400 |
| CA132WCB | 132 | 5-1/4" | 24 | 4 | 10 | 12 | 400 |
| CA142WCB | 142 | 5-5/8" | 24 | 4 | 10 | 12 | 400 |
| CA152WCB | 152 | 6" | 24 | 4 | 10 | 13 | 400 |
| CA159WCB | 159 | 6-1/4" | 24 | 4 | 10 | 14 | 400 |
| CA162WCB | 162 | 6-3/8" | 24 | 4 | 10 | 15 | 400 |
| CA180WCB | 180 | 7" | 24 | 4 | 10 | 16 | 400 |
| CA200WCB | 200 | 8" | 24 | 4 | 10 | 18 | 400 |
| CA230WCB | 230 | 9" | 24 | 4.5 | 10 | 20 | 400 |
| CA250WCB | 250 | 10" | 24 | 4.5 | 10 | 23 | 400 |
| CA300WCB | 300 | 12" | 24 | 4.5 | 10 | 27 | 400 |
| CA350WCB | 350 | 14" | 24 | 4.5 | 10 | 32 | 400 |
- Product family
- Construction and Demolition
- Category
- Diamond Core Bits
- Manufacturing route
- Silver welded or laser welded.
- Country of manufacture
- China (Shangqiu, Henan)
- Private label
- Laser marking on the steel core available for OEM orders
Who It Is For
- Drilling contractors
- Utility installation crews
- MEP contractors coring for services
Every one of these buyers gets the same first question from us: what material, what machine, what size.
The Problem It Solves
Wet drilling is not always possible on site, and dry drilling kills the wrong bit.
Diamond Core Bits for Wet Drilling is the answer to that in the diamond core bits part of the range: wet core bits from 25 to 350 mm.
For smooth, fast and wet drilling concrete and asphalt.
Why This Version and Not Another
Separate wet and dry series instead of one compromise bit
Applies across the diamond core bits series, including this item.
Silver-welded or laser-welded segments
Part of how this category is built.
Dia 25-350 mm across the two series
Part of how this category is built.
Use Guide
Confirm the fit
Check diameter, bore and segment dimensions against the table above and against your machine.
Set the parameters
Start at the machine builder's figures for your material, then adjust feed until the cut runs quiet and the surface stays clean.
Keep it free-cutting
If the tool stops cutting and the face goes shiny, it has glazed. Dress it, then tell us — that means the bond should change.
Order by Item ID
Quote the Item ID on repeat orders so you get the same specification as last time.
Compared With the Rest of the Category
Diamond Core Bits holds 2 items in the programme. The difference between them is geometry and construction, not marketing.
- Diamond Core Bits for Dry Drilling — dry core bits for concrete and asphalt
- Arrow Segment Diamond Grinding Cup Wheel — arrow segments for fast concrete removal
- Continuous Rim Diamond Grinding Wheel with Slot — slotted rim balancing finish and cooling
- Continuous Rim Diamond Grinding Wheel — continuous rim for smoothing concrete surfaces
- Double Row Diamond Grinding Cup Wheel — double row wheel for long removal runs
- L Segment Diamond Grinding Cup Wheel — l segments for edge work on concrete floors
Diamond Core Bits for Wet Drilling — Questions We Get Asked
What sizes does Diamond Core Bits for Wet Drilling come in
The standard programme lists 33 sizes on this page, Item IDs CA025WCB to CA350WCB. Other sizes and specifications are available upon request.
Can Diamond Core Bits for Wet Drilling be used dry
No. This item is specified for wet use, and running it dry will cost you the segments and possibly the core. For dry work see the vacuum brazed programme.
What do you need to quote Diamond Core Bits for Wet Drilling
The material you process, the machine and its power, the size and bore you need, and the quantity. With those four we quote a specification rather than a guess.
What is the lead time and minimum order for Diamond Core Bits for Wet Drilling
Lead time and minimum order depend on whether the size is in the standard programme or needs a production batch. Ask the sales office for this item — we do not publish a single figure that would be wrong half the time. (TBC)
Others in the Same Part of the Range

Diamond Core Bits for Dry Drilling
Dry core bits for concrete and asphalt
View specifications →
Arrow Segment Diamond Grinding Cup Wheel
Arrow segments for fast concrete removal
View specifications →
Continuous Rim Diamond Grinding Wheel with Slot
Slotted rim balancing finish and cooling
View specifications →
Continuous Rim Diamond Grinding Wheel
Continuous rim for smoothing concrete surfaces
View specifications →
Double Row Diamond Grinding Cup Wheel
Double row wheel for long removal runs
View specifications →
L Segment Diamond Grinding Cup Wheel
L segments for edge work on concrete floors
View specifications →
Single Row Diamond Grinding Cup Wheel
Single row wheel for controlled concrete grinding
View specifications →
Straight Turbo Diamond Grinding Wheel
Straight turbo profile for even concrete grinding
View specifications →Related Technical Guides
Get a quote for Diamond Core Bits for Wet Drilling
Send the material, machine and size. You will get a specification and a price, not a catalogue page.