The Starrett A17-38E is a professional locking arbor designed for use with hole saws from 32mm to 159mm diameter, featuring a 9mm shank and high-speed steel extended length pilot drill. This precision-engineered arbor is built to handle demanding drilling applications where vibration control and saw stability are essential. The locking mechanism secures the arbor tightly to the hole saw, eliminating vibration during operation and significantly extending saw life. This secure connection is particularly valuable during production runs and when working with tough materials where tool stability is critical. The extended length HSS pilot drill provides accurate hole positioning and improved drilling control across a wide range of materials. Suitable for professional tradespeople including electricians, carpenters and maintenance contractors who regularly cut through wood, metal and plastic using hole saws. The 5/8-18 screw thread ensures compatibility with standard Starrett hole saws in the specified diameter range, making this an essential component for professionals who demand reliable performance from their cutting tools. Features and Benefits: • Locking mechanism eliminates vibration and prolongs hole saw life • Extended length HSS pilot drill for improved accuracy and control • Compatible with hole saws ranging from 32mm to 210mm diameter • Hex shank design prevents slippage in drill chuck Specifications: Arbor Shank Sizes metric: 8.75 hexmm Arbor Shank Sizes imperial: 11/32 hex" Chuck Size metric: 6.35mm Chuck Size imperial: 1/4" Drill Length metric: 92mm Drill Length imperial: 3 5/8" Screw Thread: 5/8-18 Country of Origin: CN

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