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Home > Products > Diamond Core Bits > Laser Welded Diamond Core Drill Bits for Concrete (JL-DCBL)

Laser Welded Diamond Core Drill Bits for Concrete (JL-DCBL)

Basic Info

Model No.:  JL-DCBL

Product Description



Model NO.: JL-DCBL


Material: Diamond


Manufacturing Arts: Welding


Dia Size: 25mm-250mm


Trademark: JOYLIGHT


Origin: China




Type: Core Drill Bit


Use: Masonry Drilling


Usage: Stone Drilling


Packaging: Box,Carton


Specification: ISO9001, SGS


HS Code: 820719100


Laser Welded Diamond Core Drill Bits for Concrete (JL-DCBL)



1. Thinner diamond segment and thinner tube wall can easily reduce the resistance and increase the drilling speed (comparing with the assembly type)

2. SED bonding agent provide 20% higher cutting performance, particularly in difficult operating conditions.

3. Very fast cutting speed and low cutting pressure.

4. Different connection end for different drilling machine. 1-1/4"UNC

5. For dry and wet coring in reinforced concrete with very hard aggregate.

6. Also good for granite, marble, tile, glazed brick and other hard base materials with low abrasiveness.

7.Use with all sizes and grades of rebar.

8.Wet coring for over 18meters-25 meters coring length.

9.manufacturing art: Laser welded .




Diameter (D) Max Coring Depth(C) Overall Length(L) Connection
Metric(mm) Inches mm mm
51 2" 450 500 1-1/4"UNC
58 2-1/4" 450 500 1-1/4"UNC
63 2-1/2" 450 500 1-1/4"UNC
70 2-3/4" 450 500 1-1/4"UNC
78 3" 450 500 1-1/4"UNC
83 3-1/4" 450 500 1-1/4"UNC
89 3-1/2" 450 500 1-1/4"UNC
102 4" 450 500 1-1/4"UNC
112 4-1/4" 450 500 1-1/4"UNC
121 4-3/4" 450 500 1-1/4"UNC
127 5" 450 500 1-1/4"UNC
132 5-1/4" 450 500 1-1/4"UNC
140 5-1/2" 450 500 1-1/4"UNC
152 6" 450 500 1-1/4"UNC
159 6-1/4" 450 500 1-1/4"UNC
165 6-1/2" 450 500 1-1/4"UNC
182 7" 450 500 1-1/4"UNC
205 8" 450 500 1-1/4"UNC
230 9" 450 500 1-1/4"UNC
255 10" 450 500 1-1/4"UNC
300 12" 450 500 1-1/4"UNC



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