Starrett A1-1 SDS Plus Arbor for 14-30mm Holesaws

The Starrett A1-1 SDS Plus Arbor is a professional-grade accessory designed to expand the capabilities of your SDS-Plus rotary hammer drill (when used with hammer action turned off). This high-performance arbor comes complete with a high-speed pilot drill for precise hole cutting.

Ideal for both professional tradespeople and serious DIY enthusiasts, this arbor is compatible with Starrett FCH and CT series holesaws in diameters ranging from 14-30mm (9/16-1.3/16in). Its robust construction ensures durability and reliable performance even during intensive use.

Key Features

• Includes high-speed pilot drill for accurate starting
• Compatible with SDS-Plus rotary hammer drills (hammer action must be turned off)
• Designed for use with 14-30mm diameter holesaws
• Precision-engineered for smooth operation
• Hex shank provides secure grip in compatible chucks

Technical Specifications

• Holesaw compatibility: FCH and CT series
• Holesaw diameter range: 14-30mm (9/16-1.3/16in)
• Arbor shank size: 8.75mm (11/32in) hex (excluding SDS-Plus arbors)
• Screw thread: ½-20 UNF
• Chuck size: 9.5mm (3/8in)
• Drill type: HSS (High Speed Steel)
• Drill length: 79mm (3.1/8in)