Flex-Hone Tools at Global Auto Parts

Stockton's Best Selection of Flex Hone Tools

for Cylinder Honing

GB Flex Hones for Engine Cylinders
GBD Flex Hones for Engine Cylinders
Honing Oil for Flex Hones
Stainless Steel and Nylon Tube Brushes

The Flex-Hone Tool is a resilient, flexible honing tool with globules of raw grain abrasive in a resin bond. The Flex Hone Tool will produce a controlled surface finish depending on the grit and abrasive type used. The Flex Hone is also excellent for deburring cross-holes and producing an edge break. The Flex Hone has a wide variety of applications in the automotive and industrial fields.

The Flex Hone Tool is available in Silicon Carbide, Aluminum Oxide, Zirconia Alumina, Boron Carbide, Tungsten Carbide, and Levigated Alumina. Grain sizes of 20 grit to 800 grit are available in most abrasive types. The Flex Hone Tool is available in diameters from 4mm (.157") to 914mm (36").

GB Series Flex-Hone

The GB Series Flex-Hone tools are designed for bore diameters from 3-1/4" thru 4-5/8" and are 13 -1/2" OAL. These standard duty Flex-Hones tools are commonly used to finish and deglaze block cylinders or liners and represent a tremendous value on a cost per cylinder basis. We carry the following sizes in stock, in 180 and 320 silcon carbide grit options.

GB 3 1/4"	(83 mm)
GB 3 1/2"	(89 mm)
GB 3 3/4"	(95 mm)
GB 4 1/8"	(105 mm)
GB 4 5/8"	(118 mm)

GBD Series Flex-Hone

The GBD Series Flex-Hone tools are designed for bore diameters from 3" thru 8" in a twisted-in-wire construction. 3 thru 4-1/2" diameter tools are 13 -1/2" OAL. 5" thru 8" diameter tools are 17-1/2" OAL. Heavy-duty Flex-Hones are commonly used for block cylinders or liners, stationary diesel, oil and gas pipes, marine engine and may other applications. The heavy duty tool is recommended for large diameter or high production applications. We carry the following sizes in stock, in 180 and 320 silicon carbide grit options.

GBD 3"	(76mm)	3" to 2 3/4"
GBD 3 1/4"	(83mm)	3 1/4" to 3"
GBD 3 1/2"	(89mm)	3 1/2" to 3"
GBD 3 3/4"	(95mm)	3 3/4" to 3 1/4"
GBD 4"	(101mm)	4" to 3 1/2"

Twisted-in-Wire Tube Brushes

Available in sizes from 1/8" thru 3" diameters, these brushes are made in carbon steel, stainless steel, nylon, brass or natural filaments. Usually cut for power, ther are ideal for cleaning applications to remove chips, oil, dirt, rust and corrosion from inside holes. The brushes are designed for bottom end applications and can have a ring handle or plastic handle added for hand applications.

Instructions for Use of the Flex Hone Tool for Cylinder Heads:

1. Use a 10/30 weight or Flex-Hone Oil.

2. Have the Flex-Hone Tool rotating upon entry and removal from the cylinder.

3. Recommended RPM range for this tool is 500-1200 RPM. DO NOT use air tools or high speed motors.

4. Use 60-120 strokes per minute depending on RPM. Final stroking may be accelerated to develop a 45 degree cross-hatch finish.

5. Honing time should be approximately 20-45 seconds per cylinder.

6. Do not use solvents for honing or cleaning.

7. Clean cylinders after honing with warm or hot soapy water using a brush, and then oil the cylinder.

Caution:

Safety goggles or full face shields must be worn by all operators and others in the area while operating Flex-Hone Tools. Comply with the requirement of ANSI Z87.1 "Occupational Eye and Face Protection."