8 1/2" M723 Core Bits
Bit Size: 8 1/2 inch
IADC Code: M723
Connection: CHUAN8-3CBS / CHUAN8-4CBS
Cutter Specification: 4×4×4×2.8
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8 1/2" M723 Core Bits :
From standard cutters to custom drilling solutions, we provide the industry's most reliable PDC products for extreme conditions.
Product Specification
· Bit Size: 8 1/2"
· IADC Code: M723
· Cutter Type: Natural Diamond
· Cutter Specification: 4×4×4×2.8
· Crown Profile: Short Parabolic Outer Cone
· Gauge Length: 1.5"
· Nozzle Quantity: 0.2~1.5
· Connection Options: CHUAN8-3CBS / CHUAN8-4CBS
· Weight: Based on actual products
· Rotary Speed (RPM): 40 ~ 80
· Weight on Bit (KN): 10 ~ 70
· Flow Rate (lps): 11 ~ 25
· Suitable Formations: Soft Shale, Limestone, Sandstone

Product Description
The 8-1/2" natural diamond core bit M723 (IADC M723) is a high-efficiency drilling tool widely used in oil, gas, and geothermal well drilling. Featuring a short parabolic outer cone crown with high-density diamond particle teeth and natural diamond inner/outer gauge protection, it delivers superior attack capability, service life, and core recovery in soft to medium hard abrasive formations including soft shale, limestone, and sandstone.
Features
· Short Parabolic Outer Cone Crown Design – Optimized crown profile with high-density diamond particle teeth improves attack capability, service life, and coring rate.
· Natural Diamond Inner and Outer Gauge – Natural diamond gauge protection increases wear resistance and stability during coring operations.
· Optimized Waterway Design – Advanced waterway configuration ensures thorough cleaning and cooling of the drill bit, extending bit life.
· Versatile Formation Application – Suitable for coring in soft to medium hard formations with abrasive properties — soft shale, limestone, and sandstone.
· Multiple Connection Options – Available with CHUAN8-3CBS and CHUAN8-4CBS connections to suit different bottom hole assemblies.


ZZBetter: Your Leading PDC cutters Manufacturer & Supplier
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Zhuzhou Better Tungsten Carbide Co., Ltd
ADDRESS:Huanghe North Road, Tianyuan District, Zhuzhou City, Hunan Province, China, 412000
Tel:0086 73128705418
Phone:0086 13647338188
Fax:0086 073128510897
Email:PDC@drillbetter.com
Whatsapp: 008618173362360














