The
Brush Research BC4M32 BC 4MM (.157″) Brake Cylinder Flex-Hone 320SC Grit
is a versatile tool that can be used on any type or size of cylinder from
4mm up to 3″ in diameter. This cylinder hone is designed for surface
finishing and cross hole deburring in brake cylinders, wheel cylinders,
hydraulics, pneumatics and valve guides. Additional abrasive types and
grits are available.

Key
Features:

• The
  FLEX-HONE process (Super finishing) produces a controlled surface
  condition unobtainable by any other method. It involves finish,
  geometry and metallurgical structure.
• A
  high percentage plateau free of cut, torn and folded metal (with
  radiused ports).
• A
  resilient, flexible, honing tool with a soft cutting action. The
  abrasive (points) globules each have independent suspension that
  assures the Flex-Hone to be self-center.

Applications:

• Brake
  cylinders, wheel cylinders, hydraulics, pneumatics and valve guides.

Benefits:

• Produces
  a controlled surface condition unobtainable by any other method.
• A
  high percentage plateau free of cut, torn and folded metal (with
  radiused ports).

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