Diamax-1 3/8" Cyclone S REVERSE Half-gas Thin Wall Core Bit

Diamax 1-3/8" Cyclone S Reverse Half-Gas Thin Wall Core Bit This Diamax 1-3/8" Cyclone S Reverse Half-Gas Thin Wall Core Bit is engineered for fast, precise drilling in granite, marble, quartz, and engineered stone. Designed with a thin-wall diamond cutting edge and reverse half-gas threading, it delivers clean holes, reduced chipping, and efficient material removal. Ideal for professional stone fabricators and installers who require accuracy, speed, and reliable performance in wet or dry drilling applications. 1 3/8" Cyclone S REVERSE Half-gas Thin Wall Core Bit polishing pad designed for fast, smooth stone finishing. Ideal for granite, marble, and engineered stone surfaces. Delivers reliable performance with angle grinders or air polishers. Key Features & Specifications Bond / Construction Premium diamond segments bonded to a thin-wall steel core provide fast cutting speed, smooth hole edges, and extended tool life. Attachment / Mounting Reverse half-gas thread design ensures secure mounting on compatible drilling equipment, offering stable operation and reduced vibration. Intended Use Engineered for wet or dry drilling in granite, marble, quartz, porcelain, and engineered stone. Drilling / Cutting Design Thin-wall construction allows faster penetration and cleaner holes while minimizing material stress and chipping. Control & Accuracy Balanced design improves drilling stability and precision, especially in countertop and edge applications. Max RPM Rated for high-speed operation (RPM dependent on machine specifications) for efficient wet or dry drilling performance. Applicable Tools Compatible with drilling machines and systems designed for reverse half-gas threaded diamond core bits. Ideal Applications Faucet holes, fixture installations, anchor holes, tile drilling, and stone fabrication projects requiring clean, precise 1-3/8" diameter holes. Technical Specifications ITEM # SIZE FITTING USABLE LENGTH MAX RPM CDBHTW114 1 1/4″ 1/2 gas male 2 1/2″ 1,250 CDBHTW138 1 3/8″ 1/2 gas male 2 1/2″ 1,250 CDBHTW112 1 1/2″ 1/2 gas male 2 1/2″ 1,250 CDRTW138 1 3/8″ 1/2 gas male, Reverse Thread on red letters 2 1/2″ 1,250