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Brush Research GBD412320BC FLEX-HONE 4-1 2 inch
18th Jul 2026, 11:34 AM

Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Price may vary by location, shipping cost, and availability.
Lowest ever
$252.99

Buy @ amazon.com
Highest: $252.99
Average: $252.99
Lowest: $252.99

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Price History Information

You can check the price history of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc here. This product's current Price in USA is $252.99. The average and highest prices are $252.99 and $252.99 respectively.

Lowest Ever Price $252.99
12th Jul 2026
Average Price $252.99
Based on 10 days price tracking
Highest Price $252.99
12th Jul 2026

Price History of All Variants of Brush Research GBD412320BC FLEX-HONE 4-1 2 inch...

Brush Research GBD412320BC FLEX-HONE 4-1234 114mm Diameter

Brush Research GBD412320BC FLEX-HONE®, 4-1/2" (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD500120BC FLEX-HONE 534 127mm Diameter

Brush Research GBD500120BC FLEX-HONE®, 5" (127mm) Diameter, 120 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD412320BC FLEX-HONE 4-1234 114mm Diameter

Brush Research GBD412320BC FLEX-HONE®, 4-1/2" (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD51220BC FLEX-HONE 5-1234 140mm Diameter
Offer Price: $235.55

Brush Research GBD51220BC FLEX-HONE®, 5-1/2" (140mm) Diameter, 20 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD412320BC FLEX-HONE 4-1234 114mm Diameter

Brush Research GBD412320BC FLEX-HONE®, 4-1/2" (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD414320BC FLEX-HONE 4-1434 108mm Diameter
Offer Price: $261.28

Brush Research GBD414320BC FLEX-HONE®, 4-1/4" (108mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD60080BC FLEX-HONE 634 152mm Diameter
Offer Price: $256.36

Brush Research GBD60080BC FLEX-HONE®, 6" (152mm) Diameter, 80 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter
Offer Price: $184.99

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD33460BC FLEX-HONE 3-3434 95mm Diameter
Offer Price: $152.08

Brush Research GBD33460BC FLEX-HONE®, 3-3/4" (95mm) Diameter, 60 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD51220BC FLEX-HONE 5-1234 140mm Diameter

Brush Research GBD51220BC FLEX-HONE®, 5-1/2" (140mm) Diameter, 20 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD414320BC FLEX-HONE 4-1434 108mm Diameter

Brush Research GBD414320BC FLEX-HONE®, 4-1/4" (108mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD334400BC FLEX-HONE 3-3434 95mm Diameter
Offer Price: $228.07

Brush Research GBD334400BC FLEX-HONE®, 3-3/4" (95mm) Diameter, 400 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD500120BC FLEX-HONE 534 127mm Diameter

Brush Research GBD500120BC FLEX-HONE®, 5" (127mm) Diameter, 120 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD414320BC FLEX-HONE 4-1434 108mm Diameter

Brush Research GBD414320BC FLEX-HONE®, 4-1/4" (108mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD51220BC FLEX-HONE 5-1234 140mm Diameter

Brush Research GBD51220BC FLEX-HONE®, 5-1/2" (140mm) Diameter, 20 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD412320BC FLEX-HONE 4-1234 114mm Diameter

Brush Research GBD412320BC FLEX-HONE®, 4-1/2" (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD412320BC FLEX-HONE 4-1234 114mm Diameter

Brush Research GBD412320BC FLEX-HONE®, 4-1/2" (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD33460BC FLEX-HONE 3-3434 95mm Diameter

Brush Research GBD33460BC FLEX-HONE®, 3-3/4" (95mm) Diameter, 60 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD412320BC FLEX-HONE 4-1234 114mm Diameter
Offer Price: $252.99

Brush Research GBD412320BC FLEX-HONE®, 4-1/2" (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD512180BC FLEX-HONE 5-1234 140mm Diameter
Offer Price: $235.55

Brush Research GBD512180BC FLEX-HONE®, 5-1/2" (140mm) Diameter, 180 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD500120BC FLEX-HONE 534 127mm Diameter

Brush Research GBD500120BC FLEX-HONE®, 5" (127mm) Diameter, 120 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD33460BC FLEX-HONE 3-3434 95mm Diameter

Brush Research GBD33460BC FLEX-HONE®, 3-3/4" (95mm) Diameter, 60 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD314600BC FLEX-HONE 3-1434 83mm Diameter

Brush Research GBD314600BC FLEX-HONE®, 3-1/4" (83mm) Diameter, 600 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD500120BC FLEX-HONE 534 127mm Diameter
Offer Price: $213.82

Brush Research GBD500120BC FLEX-HONE®, 5" (127mm) Diameter, 120 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Brush Research GBD500120BC FLEX-HONE 534 127mm Diameter

Brush Research GBD500120BC FLEX-HONE®, 5" (127mm) Diameter, 120 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

Get Deal

Current Price in USA

Price $252.99

Product Information

Details

Product Name Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc
Store Product Code B0C39N24P5
Store Name amazon.com
Brand Flex-Hone
Category Flex Hones
Product Manufacturer Brush Research Manufacturing

Features

  • [QUALITY]-Proudly Made in the USA. Quality and consistency you can count on made from the inventors and makers of the tool.
  • [DESIGN]-The FLEX-HONE is intentionally manufactured oversized. This engineered oversize creates the optimal amount of pressure inside the cylinder wall allowing the tool to be self-centering, self-aligning and self-compensating for wear and easy use.
  • [FINISHING BENEFITS]-Offered in a wide variety of grits to achieve specific finishing tolerances as well as a beautiful crosshatch finish. Ideal for rebuilding hydraulic and pneumatic cylinders, engine and brake cylinders, valve guides, pumps, compressors and more.
  • [CROSSHOLE DEBURRING]-Accomplish finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle from a hand drill, drill press or CNC equipment.
  • [320 GRIT BORON CARBIDE ABRASIVE]-Excellent on medium to high carbon steels, titanium and heat-treated steels to 50 Rc. Typically achieves a finish of 18 - 30 Microinch (.5 - .7 Micrometer).
  • [WHAT'S INCLUDED]-1 Each of a GBD Heavy Duty FLEX-HONE: 4.500"(114mm) Bore Diameter, 6" Abrasive Part Length, 0.310" Shank Diameter, 13.5" Overall Length. For Use on Bore Diameters Between 4.251"-4.500". PLEASE NOTE: ORDER BY BORE SIZE.

Images

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Image of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc
Image of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc
Image of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc
Image of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc
Image of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc
Image of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc
Image of Brush Research GBD412320BC FLEX-HONE, 4-1 /2 inch (114mm) Diameter, 320 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.
Buy @ amazon.com