2MT Taper Shank #4 Jacobs Taper Chuck Arbor BoltsandNuts.com • External Star Geometry –

• External Star Geometry – Shallow external star (E-Star) sockets have an internal 6-lobe geometry designed for a high-torque fit that resists slipping • Materials – The sockets are made from 50BV30 steel and hardened to 40–47 HRC for strength and durability • Exterior and Interior Finishes – The sockets are protected against corrosion with chrome plating on the outside and clear coat on the inside • Large

The tip of each jaw has a 10-degree lead-in taper that helps align the wrench with the hex flats when visibility is limited

Part Number: BIT-DWDRSD3/8X9/16

flat faces for engaging with the straight sides of a fastener slot • Large

Part Number: DUR113-95

2MT Taper Shank #4 Jacobs Taper Chuck Arbor BoltsandNuts.com • External Star Geometry –Product Description Drill chuck arbors are adapters used to mount drill chucks onto machine spindles or tailstocks. They provide a secure and precise connection between the drill chuck and the machine, ensuring accurate drilling operations. Drill chuck arbors are essential for accommodating various drill chuck sizes and machine interfaces in machining applications. Brand Drill America Part Number DEWA0204