Small Diameter Drum Adaptor

The Small Diameter Drum Adaptor is a precision-engineered accessory designed to provide a secure and reliable connection between polishing or drum wheels and a wide range of grinding and polishing tools. This adaptor allows professional stone fabricators, tile installers, and contractors to use small-diameter vacuum-brazed or diamond drum wheels with machines that have differing thread sizes, offering versatility and adaptability across fabrication and on-site applications.

Product Overview

Constructed for durability, the Small Diameter Drum Adaptor ensures stable, vibration-free performance during detailed shaping, grinding, and polishing work. Its robust design maintains alignment and control when working on hard surfaces such as granite, marble, quartz, and engineered stone, allowing operators to achieve precise edge profiling, contour shaping, and surface finishing.

Featuring a 5/8″ inner thread with 1/2″ gas outside compatibility, this adaptor provides a secure fit for a wide variety of tools while minimizing tool chatter and promoting smooth rotation. Its reliable construction ensures long-term use even under demanding shop conditions, making it a dependable solution for professionals who require flexibility and efficiency in their workflow.

Paired with small-diameter polishing or drum wheels, the adaptor allows operators to achieve consistent, high-quality finishing results with angle grinders, pneumatic polishers, or air tools, making it ideal for both fabrication shops and on-site installations.

Key Features & Specifications

Construction / Material

Manufactured from high-quality, precision-machined metal for long-lasting durability, corrosion resistance, and dependable performance under heavy use.

Thread Compatibility

Features a 5/8" inner thread with a 1/2" gas outer thread, allowing seamless adaptation of small-diameter drum wheels to a wider range of tools and machines.

Intended Use

Designed to connect small vacuum-brazed or diamond drum wheels to compatible polishers and grinders. Ideal for detailed grinding, inside radius work, and profile refinement on granite, marble, quartz, porcelain, and tile.

Applicable Tools

Compatible with angle grinders, handheld polishers, and machines that accept 1/2" gas thread accessories.

Performance & Stability

Engineered for smooth rotation and strong thread engagement, reducing vibration and ensuring stable, controlled grinding or shaping.

Installation

Easy to mount and remove, allowing quick tool changes and efficient workflow on job sites or in fabrication shops.

Ideal Applications

Perfect for sink cutouts, inside corner shaping, radius grinding, tile adjustment, and detailed stone fabrication tasks requiring small-diameter drum wheels.

Available Grits & Models

GRIT – ITEM # – SLEEVE SIZE (W x L) – DUAL FITTING – RPM

50

• Item #: SRD250

• Sleeve Size (W x L): 3/4″ x 1 1/2″

• Dual Fitting: 1/2″ gas & 5/8″-11

• RPM: 3,000

100

• Item #: SRD2100

• Sleeve Size (W x L): 3/4″ x 1 1/2″

• Dual Fitting: 1/2″ gas & 5/8″-11

• RPM: 3,000

200

• Item #: SRD2200

• Sleeve Size (W x L): 3/4″ x 1 1/2″

• Dual Fitting: 1/2″ gas & 5/8″-11

• RPM: 3,000

400

• Item #: SRD2400

• Sleeve Size (W x L): 3/4″ x 1 1/2″

• Dual Fitting: 1/2″ gas & 5/8″-11

• RPM: 3,000

800

• Item #: SRD2800

• Sleeve Size (W x L): 3/4″ x 1 1/2″

• Dual Fitting: 1/2″ gas & 5/8″-11

• RPM: 3,000

1500

• Item #: SRD21500

• Sleeve Size (W x L): 3/4″ x 1 1/2″

• Dual Fitting: 1/2″ gas & 5/8″-11

• RPM: 3,000

3000

• Item #: SRD23000

• Sleeve Size (W x L): 3/4″ x 1 1/2″

• Dual Fitting: 1/2″ gas & 5/8″-11

• RPM: 3,000

NA

• Item #: SRDAPT

• Sleeve Size (W x L): 4″ Adapter Length

• Dual Fitting: 5/8″ Inner thread + 1/2″ gas out