Description

Jacobs 8-1/2N Super Chuck Ball Bearing Keyed Drill Chuck, 1/4 in – GW 30209

A drill chuck is a mechanical device designed to hold and secure a drill bit or other rotary cutting tool during various machining or drilling operations. It serves as an essential component in the drilling process, allowing for the precise and stable attachment of the cutting tool to the spindle of a drilling machine or power tool.

Features:

• Strong bit holding power
• Jaws center – grind for straightness and alignment
• Through – hardened sleeve teeth, plus hardened nose and keyholes provide outstanding wear resistance
• Jacobs’ original fluted sleeve design
• Design for heavy duty industrial applications
• T.I.R. 0.003″ Maximum at half capacity

Specifications:

• Length: 1.95 in/49.5mm
• Capacity (in): 0.04-0.25 in
• Capacity (mm): 0.7-6.5mm
• Nominal Capacity: 1/4 in
• Diameter: 1.56 in/39.7mm
• Key Size: K30
• Keying: Keyed
• Model: 8-1/2 N
• Mounting Size: 2JT
• Mounting Type: Jacobs Taper
• Bearing Type: Ball
• Material: Steel
• Material-Machining: High Speed Steel
• For Use With: Machine Tools
• Includes: Chuck Key
• Country of Origin: China