TESA Brown & Sharpe Fine Pole Rectangular Permanent Magnetic Block Chucks

Permanent Magnetic Blocks

Ideal for Holding Small Work in Toolmaking, Manufacturing or Inspection

• On/Off switch
• Each of the blocks can also be held on their back ends as well as on their bases
• The working surface is parallel to the base to 0.001″, sides and ends are square to 0.001″
• Each block is supplied in a finished wooden case

Rectangular magnetic chucks are designed with rectangular shaped magnets. They are standard chucks used for maximum holding and a variety of applications.

Fine poles are used for holding small or thin parts in light-duty applications. The magnetic poles are closer together than those of standard poles.

Model No. 255

• Fine-pole top plate is specially designed for holding small work.
• Working surface and base of block are ground parallel.
• Back end is square with the working surface.
• One side and one end stop plates are furnished.

Model No. 760

• Working surface and base are ground parallel.
• Back end is square with working surface.
• Removable stop plates are furnished for back end and one for use on either side.

Model No. 750-4

• Holds work in contact with the V face
• Block is accurately ground and faces of V-groove are hardened
• Removable stop plate furnished for back end of block
• “V” takes round stock to 1-3/4″ diameter
• Side and bottom are parallel to vee to 0.001″ and vee is central within 0.001″

Specifications:

Item Number 20-746-4 20-747-2 Manufacturer Part # 745-255
255 599-760
760 Shape Rectangular Rectangular Magnet Pole Type Fine Pole Standard Pole Length (Inch) 5-1/4″ 5-1/4″ Width/Diameter (Inch) 2-7/16″ 2-7/16″ Height (Inch) 2-7/8″ 2-7/16″ Parallelism (Decimal Inch) 0.001″ 0.001″ Squareness (Decimal Inch) 0.001″ 0.001″ Chuck Style Block Block Includes Wooden Case Wooden Case