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Construction Diamond Core Drill Bits , Thin Wall Core Drill Bits 1 Inch To 16

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Construction Diamond Core Drill Bits , Thin Wall Core Drill Bits 1 Inch To 16

Brand Name : ROSCHEN
Model Number : 1" ~ 16"
Certification : ISO
Place of Origin : CHINA
MOQ : 5 pcs
Price : Negotiate
Supply Ability : 10000000 pcs
Packaging Details : Carton Box
Name : Diamond drill bits for core drilling
Type : concrete core bits
Series : dry core bits
Bit Adapter : core bit adapter
Model : diamond core bit
Grade : Premium Construction Core Bits
Series No : Diamond Core Bits - concrete fast cutting core bit
item : Core Bits
Hand tools : Construction Fastener and Tools
Item No : Diamond core drill bits
Model type : Core Drill Machines, Concrete Core Drills & Drill Bits
Series item : construction core bits
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Construction Diamond Core Drill Bit, Thin Wall Core Drill Bits 1 inch to 16 inch diameter

Brief Introductions:

Construction Diamond Core Drill Bit, Thin Wall Core Drill Bits

The Construction Diamond Core Drill Bit, ie called thin-walled drill bit, also known as water drill bit and hollow drill bit, is mainly used in buildings. It is used for wall holes in water, electricity, heating, gas, air conditioning and pipeline installation. Drilling, nesting and coring of foundation projects such as highways, airport runways, dam, bridges and tunnels. Non-metallic materials such as stone and ceramic should be perforated with brittle materials.


Water Drill: Water must be added during use to apply to large drill collars and cores. It is recommended to install a fixed drill or hand-held drill.

Dry drilling: Do not need to add water during use, mainly used in water, electricity, heating, gas and air conditioning pipeline installation and other small drilling projects. It is recommended that it be equipped with a hand-held drilling rig, which is flexible and convenient during the construction process, without adding water, and special fittings can be matched with matching hammer drills.


After selecting the rig, first check whether the main shaft swings, whether the electrical and mechanical parts are normal, and when the drill is put on, ensure that the main shaft of the rig is tightened and kept concentric.


Reinforced concrete with soft to hard aggregates, green concrete, cured concrete, masonry concrete, masonry slabs, roof tile, asphalt and abrasive materials.

Aggregated concrete - bricks - concrete - fired bricks, hard clay brick, masonry brick, refractory material, reinforced concrete.

Professional drilling core for wet use, especially developed for operating on highly reinforced concrete; the 10 mm high segments ensure high working speed as well as the tool's long life.

Suitable: Self-locking block - clinker - granite – tuff

Strong series:

Three-body type and one-piece type(one piece body), fast speed, long life, suitable for multi-rebar, high-grade steel-concrete structure drilling, in ordinary strength concrete (C30-C40) speed up to 3-5cm/min, life up to 40 - 60 meters, suitable for high-power desktop drills.

Speed Series:

Tri-body and one-piece, fast speed, moderate life, suitable for high-strength, low-abrasive steel-concrete structure, drilling in ordinary concrete (C30-C40), speed up to 4-6cm/min, life up to 30 - 50 meters, suitable for ordinary desktop drilling machine.

Economic series:

Integrated, fast speed, moderate life, suitable for low-grade steel-concrete structure (≦C30), drilling speed up to 3-5cm/min, life is generally 15 - 30 meters, suitable for ordinary desktop drilling machine and hand-held drilling Hole machine.


Three-body type, i.e., it is three piece of body connecting.
One-piece type, i.e., it is one piece body whole piece.

Diamond Core Drill Bits Specifications
Diameter (Inch)Segment Height (mm)Length (inch)AdaptorPart Number
1"7~1016-18"1 1/4" UNC125-710-1618
1 1/2"7~1016-18"1 1/4" UNC138-710-1618
2"7~1016-18"1 1/4" UNC250-710-1618
2 1/2"7~1016-18"1 1/4" UNC264-710-1618
3"7~1016-18"1 1/4" UNC376-710-1618
3 1/2"7~1016-18"1 1/4" UNC389-710-1618
4"7~1016-18"1 1/4" UNC4102-710-1618
4 1/2"7~1016-18"1 1/4" UNC4114-710-1618
5"7~1016-18"1 1/4" UNC5127-710-1618
5 1/2"7~1016-18"1 1/4" UNC5140-710-1618
6"7~1016-18"1 1/4" UNC6152-710-1618
6 1/2"7~1016-18"1 1/4" UNC6165-710-1618
7"7~1016-18"1 1/4" UNC7178-710-1618
7 1/2"7~1016-18"1 1/4" UNC7191-710-1618
8"7~1016-18"1 1/4" UNC8203-710-1618
8 1/2"7~1016-18"1 1/4" UNC8216-710-1618
9"7~1016-18"1 1/4" UNC9229-710-1618
9 1/2"7~1016-18"1 1/4" UNC9241-710-1618
10"7~1016-18"1 1/4" UNC10254-710-1618
10 1/2"7~1016-18"1 1/4" UNC10267-710-1618
11"7~1016-18"1 1/4" UNC11280-710-1618
11 1/2"7~1016-18"1 1/4" UNC11292-710-1618
12"7~1016-18"1 1/4" UNC12305-710-1618
12 1/2"7~1016-18"1 1/4" UNC12318-710-1618
13"7~1016-18"1 1/4" UNC13331-710-1618
13 1/2"7~1016-18"1 1/4" UNC13343-710-1618
14"7~1016-18"1 1/4" UNC14356-710-1618
14 1/2"7~1016-18"1 1/4" UNC14368-710-1618
15"7~1016-18"1 1/4" UNC15381-710-1618
15 1/2"7~1016-18"1 1/4" UNC15394-710-1618
16"7~1016-18"1 1/4" UNC16407-710-1618
Notes: Any special sizes and adaptors as per request.

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