Premium Quality Diamond Core Drill Bit for Wet Cutting Concrete, Granite, Marble, Stone, Brick

• Type: Core Drill
• Usage: Masonry Drilling
• Certification: MPa
• Diamond Segment: Hot Pressed Sintered
• Steel Body Type: Hcs
• Surface Treatment: Color Painted
• Model NO.: 3812
• Connecting: 1/2bsp and 1-1/4unc
• Segment Exposed: Yes
• Welding Type: Silver Brazing
• Cutting Purpose: General Purpose
• Dry or Wet Cutting: Wet Cutting
• Transport Package: Paper Box, Plastic Tube
• Specification: 30mm to 200mm diameter
• Trademark: OEM, HTT
• Origin: China
• HS Code: 8207509000
• Production Capacity: 1200000

Product Description

*Universally deployable diamond annular bit for masonry, concrete, and reinforced concrete. 

*Excellent lifetimes even in ultra-hard materials. 

*Extremely resilient high-end diamond core cutters for high material removal. 

*Ideal for applications with cooling water in concrete and highly compacted building materials. 



Other special sizes are also available on the customers' special requests. 

Item Number	Diameter(mm)	Connecting Type	Core Body Length(mm)	Segment Height(mm)
3812.03040012	30	1/2BSP	400	10
3812.03540012	35	1/2BSP	400	10
3812.04040012	40	1/2BSP	400	10
3812.04640012	46	1/2BSP	400	10
3812.05140012	51	1/2BSP	400	10
3812.05640012	56	1/2BSP	400	10
3812.06140012	61	1/2BSP	400	10
3812.06640012	66	1/2BSP	400	10
3812.07140012	71	1/2BSP	400	10
3812.08240012	82	1/2BSP	400	10
3812.08740012	87	1/2BSP	400	10
3812.09240012	92	1/2BSP	400	10
3812.10240012	102	1/2BSP	400	10
3812.11240012	112	1/2BSP	400	10
3812.12740012	127	1/2BSP	400	10
3812.13240012	132	1/2BSP	400	10
3812.15240012	152	1/2BSP	400	10
3812.16240012	162	1/2BSP	400	10
3812.16940012	169	1/2BSP	400	10
3812.20040012	200	1/2BSP	400	10
3812.04645014	46	1-1/4UNC	450	10
3812.05145014	51	1-1/4UNC	450	10
3812.05645014	56	1-1/4UNC	450	10
3812.06145014	61	1-1/4UNC	450	10
3812.06645014	66	1-1/4UNC	450	10
3812.07145014	71	1-1/4UNC	450	10
3812.07645014	76	1-1/4UNC	450	10
3812.08245014	82	1-1/4UNC	450	10
3812.08745014	87	1-1/4UNC	450	10
3812.09245014	92	1-1/4UNC	450	10
3812.10245014	102	1-1/4UNC	450	10
3812.11245014	112	1-1/4UNC	450	10
3812.11745014	117	1-1/4UNC	450	10
3812.12245014	122	1-1/4UNC	450	10
3812.12745014	127	1-1/4UNC	450	10
3812.13245014	132	1-1/4UNC	450	10
3812.14245014	142	1-1/4UNC	450	10
3812.15245014	152	1-1/4UNC	450	10
3812.16245014	162	1-1/4UNC	450	10
3812.16945014	169	1-1/4UNC	450	10
3812.17245014	172	1-1/4UNC	450	10
3812.18245014	182	1-1/4UNC	450	10
3812.18745014	187	1-1/4UNC	450	10
3812.19645014	196	1-1/4UNC	450	10
3812.20045014	200	1-1/4UNC	450	10
3812.21245014	212	1-1/4UNC	450	10
3812.22545014	225	1-1/4UNC	450	10
3812.22645014	226	1-1/4UNC	450	10
3812.24845014	248	1-1/4UNC	450	10
3812.25045014	250	1-1/4UNC	450	10
3812.26645014	266	1-1/4UNC	450	10
3812.27745014	277	1-1/4UNC	450	10
3812.29745014	297	1-1/4UNC	450	10
3812.30045014	300	1-1/4UNC	450	10
3812.34245014	342	1-1/4UNC	450	10
3812.35045014	350	1-1/4UNC	450	10
3812.35345014	353	1-1/4UNC	450	10
3812.40045014	400	1-1/4UNC	450	10
3812.40545014	405	1-1/4UNC	450	10