YOUR FINISHING PROCESS JUST GOT EASIER
Finishing hardened tool steels presents a significant challenge in the metalworking industry due to the material’s high strength, wear resistance, and reduced machinability after heat treatment. These steels are commonly used in demanding applications such as molds, dies, cutting tools, and precision wear components—where achieving a fine surface finish is critical to performance and durability. Polishing hardened steel cylinders, in particular, is essential to ensure proper fit, seal, lubrication retention, and resistance to friction and fatigue in high-stress environments.
FLEX-HONE® tools are highly effective for achieving a uniform surface roughness (Ra) and finishing hardened materials due to their flexible filament and abrasive globule design that conforms to bore geometry without altering part dimensions. When equipped with advanced abrasives such as boron carbide, FLEX-HONE® tools can efficiently finish medium to high carbon steels up to 50 Rc. Diamond and CBN abrasives are reliable solutions for hardened steels and other tough alloys and are available up to 2500 mesh grit to achieve finer, single digit Ra finishes. The result is a plateaued, polished surface that improves part performance and longevity in even the most demanding environments.
FLEX-HONE® tools address the challenges of finishing hardened tool steels by using different abrasive types such as Boron Carbide, CBN and Diamond to more effectively cut through high-hardness materials without generating excessive heat or altering critical dimensions. Their self-centering design ensures a consistent, refined surface finish while preserving tight tolerances.
Bore Diameter: 1.000" (25.4mm)
Abrasive: Diamond
Grit: 170/200 Mesh
Abrasive Length: 3"
Overall Length: 8"
BRM BC100170200CCBN FLEX-HONE®, 1.000" (25.4mm) Bore, 8" OAL, 170/200 Mesh Grit, Cubic Boron Nitride
Bore Diameter: 1.000" (25.4mm)
Abrasive: Cubic Boron Nitride
Grit: 170/200 Mesh
Abrasive Length: 3"
Overall Length: 8"
Bore Diameter: 1.000" (25.4mm)
Abrasive: Boron Carbide
Grit: 120
Abrasive Length: 3"
Overall Length: 8"
Bore Diameter: 1.000" (25.4mm)
Abrasive: Diamond
Grit: 800 Mesh
Abrasive Length: 3"
Overall Length: 8"
Bore Diameter: 1.000" (25.4mm)
Abrasive: Cubic Boron Nitride
Grit: 800 Mesh
Abrasive Length: 3"
Overall Length: 8"
Bore Diameter: 1.000" (25.4mm)
Abrasive: Boron Carbide
Grit: 800
Abrasive Length: 3"
Overall Length: 8"
Application: Shotgun Chamber
Firearms Model: 16 Gauge
Abrasive: Aluminum Oxide
Grit: 800
Overall Length: 12"
Application: Shotgun Chamber
Firearms Model: 12 Gauge
Abrasive: Aluminum Oxide
Grit: 800
Overall Length: 12"
Application: Shotgun Barrel
Firearms Model: 20 Gauge
Abrasive: Aluminum Oxide
Grit: 800
Overall Length: 34"
Application: Shotgun Barrel
Firearms Model: 20 Gauge
Abrasive: Silicon Carbide
Grit: 180
Overall Length: 34"
Application: Shotgun Barrel
Firearms Model: 16 Gauge
Abrasive: Aluminum Oxide
Grit: 800
Overall Length: 34"
Application: Pistol Chamber
Firearms Model: .357 Magnum/.38
Abrasive: Silicon Carbide
Grit: 800
Overall Length: 3"
Application: Pistol Chamber
Firearms Model: .41 Magnum
Abrasive: Silicon Carbide
Grit: 400
Overall Length: 3"
Application: Pistol Chamber
Firearms Model: .44 Magnum
Abrasive: Silicon Carbide
Grit: 400
Overall Length: 3"
Application: Pistol Chamber
Firearms Model: .41 Magnum
Abrasive: Silicon Carbide
Grit: 800
Overall Length: 3"
Application: Pistol Chamber
Firearms Model: .44 Magnum
Abrasive: Silicon Carbide
Grit: 800
Overall Length: 3"
Bore Diameter: 0.014" (0.4mm)
Fill Material: 302 Stainless Steel
Overall Length(in): 3
Standard Pack Quantity 12
Bore Diameter: 0.014" (0.4mm)
Fill Material: 302 Stainless Steel
Overall Length(in): 3
Standard Pack Quantity 1
Bore Diameter: 0.018" (0.5mm)
Fill Material: 302 Stainless Steel
Overall Length(in): 3
Standard Pack Quantity 12
Bore Diameter: 0.018" (0.5mm)
Fill Material: 302 Stainless Steel
Overall Length(in): 3
Standard Pack Quantity 1
Bore Diameter: 0.02" (0.5mm)
Fill Material: 302 Stainless Steel
Overall Length(in): 3
Standard Pack Quantity 12
Bore Diameter: 0.02" (0.5mm)
Fill Material: 302 Stainless Steel
Overall Length(in): 3
Standard Pack Quantity 1
Application: Rifle Chamber
Firearms Model: .44 Caliber
Abrasive: Silicon Carbide
Grit: 400
Overall Length: 6"
Application: Rifle Chamber
Firearms Model: .17 Caliber/.22 Magnum
Abrasive: Silicon Carbide
Grit: 400
Overall Length: 6"
Application: Shotgun Chamber
Firearms Model: 12 Gauge
Abrasive: Silicon Carbide
Grit: 400
Overall Length: 12"
Application: Rifle Chamber
Firearms Model: .30-06
Abrasive: Silicon Carbide
Grit: 400
Overall Length: 12"
Application: Rifle Chamber
Firearms Model: 0.308
Abrasive: Silicon Carbide
Grit: 400
Overall Length: 12"
Learn how BRM tools are being used to improve processes, cut costs and save time!
Learn how the FLEX-HONE® took a set of carbide rings from a 40Ra to 4 in less than 20 seconds!
download pdf
The FLEX-HONE® Resource Guide teaches you how to select the right tool for your application. Have you ever had questions about tool diameter, grit selection, abrasive type or recommended RPMs? We go over all of this and more.
download pdf
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