Diamax-1 3/8" Cyclone REVERSE Thread Half-gas T-segment core

The Diamax Cyclone CNC Core Bit SKU CDBHR138 The Diamax Cyclone CNC Core Bit SKU CDBHR138 is a 1-3/8″ diamond core drill bit with a reverse-thread fitting designed for CNC drilling of natural stone, engineered stone, and granite.
SKU
: CDBHR138
$103.54

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Product Description

The Diamax Cyclone CNC Core Bit SKU CDBHR138

The Diamax Cyclone CNC Core Bit SKU CDBHR138 is a 1-3/8″ diamond core drill bit with a reverse-thread fitting designed for CNC drilling of natural stone, engineered stone, and granite. Its design makes it ideal for precise, deep holes in fabrication and countertop applications.


Key Features

  • 1-3/8″ diameter for common drilling sizes in stone fabrication.

  • Reverse thread fitting secures the bit on CNC spindles during high-speed rotation.

  • Diamond segmented design provides fast and consistent cutting performance.

  • Optimized for wet CNC drilling to manage heat and maximize bit life.

  • Durable construction for repeated use in granite and engineered stone.


Specifications

Specification Detail
SKU CDBHR138
Bit Diameter 1-3/8″
Thread/Fitting ½″ gas male, reverse thread
Usable Length ~3″
Recommended RPM ~2,000–2,500
Cutting Type Wet CNC core drilling
Material Compatibility Natural stone, engineered stone, granite


Available Items and Sizes

ITEM # SIZE FITTING USABLE LENGTH MAX RPM
CDBYH114 1 1/4“ 1/2 gas male 3″ 2,300
CDBYH138 1 3/8“ 1/2 gas male 3″ 2,300
CDBYH112 1 1/2“ 1/2 gas male 3″ 2,300
CDBHR138 1 3/8“ 1/2 gas male, Reverse Thread 3″ 2,300
CDBYH012 1/2“ 1/2 gas male 3″ 2,300
CDBYH014 1/4“ 1/2 gas male 3″ 2,300
CDBYH034 3/4“ 1/2 gas male 3″ 2,300
CDBYH036 3/16“ 1/2 gas male 3″ 2,300
CDBYH038 3/8“ 1/2 gas male 3″ 2,300
CDBYH100 1 1/2 gas male 3″ 2,300
CDBHR014 1/4“ 1/2 gas male, Reverse Thread 3″ 2,300

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