CrowCrowCrow
CrowCrowCrow
Search products...
My Orders
Gold
Cart
  • Clearance
  • China Market
  • Coins
  • Brands
  • Become a Partner

Looking for an imported product?

We can arrange it. Send the name or a store link on WhatsApp — we'll check if we can source it and quote the all-in India price.

WhatsApp Us
CrowCrowCrow

Free Shipping

Standard delivery, all India

Secure Packaging

Factory-sealed, damage-safe

About

  • About CrowCrowCrow
  • How It Works
  • Careers
  • Press & Media
  • Sustainability
  • Blog & Guides
  • Why Choose CrowCrowCrow

Buyer Help

  • Contact Us
  • Track Order
  • Customs & Duties
  • Size Guide
  • Payment Options
  • FAQs
  • Buyer Protection

Our Policies

  • Privacy Policy
  • Shipping Policy
  • Terms and Condition
  • Return and Refunds Policy
  • Cancellation Policy

Programs & B2B

  • Clearance Sale
  • Rewards ProgramSoon
  • Refer a FriendSoon
  • Student DiscountSoon
  • Affiliate ProgramJoin
  • CCC Membership
  • Wholesale & B2B
  • Corporate Gifting
  • Free Tools
  • Price Match

Connect With Us

Payment Methods

Visa
Mastercard
RuPay
Amex
UPI
Google Pay
PhonePe
Paytm

Shipping Partners

BluedartDelhiveryExpressBoxIndia Post
Cookie Policy··Disclaimer·DMCA·MCP for AI·Authenticity·Money-Back·Security

© 2026 Color Papers India Private Limited

Help us give you a better experience. We use cookies to remember your cart, speed up checkout, and show you authentic US products worth importing. You stay in control — your data is handled per India's DPDP Act 2023. Cookie Policy

Flex Hones
  1. Home
  2. Industrial & Scientific
  3. Abrasive & Finishing Products
  4. Finishing Products
  5. Laps & Hones
  6. Flex Hones
  7. Flex-Hone BC12M12 0.472"…
Flex-Hone

Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron

Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹3,230₹3,320

You save ₹90 (3%)

Qty
Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron — 1.000" (25.4mm) / 120 Grit
1.000" (25.4mm) / 120 Grit
₹3,930
₹4,260
In Stock
Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron — 0.472" (12mm) / 120 Grit
0.472" (12mm) / 120 Grit
₹3,230
₹3,320
In Stock
Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron — 2.000" (50.8mm) / 120 Grit
2.000" (50.8mm) / 120 Grit
₹5,530
₹5,720
In Stock
Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron — 2.375" (60.3mm) / 240 Grit
2.375" (60.3mm) / 240 Grit
₹5,930
₹6,590
In Stock

Estimated doorstep delivery by 20 Nov - 22 Nov from USA

Add on Google

Tested and Trusted · Always Original & 100% Imported

View trust tables•Know about trust badges
Sourced from US retailers
Sourced from US retailers
Factory-Sealed
Factory-Sealed
All Duties Included
All Duties Included
GST Invoice Issued
GST Invoice Issued
ExpressBox Tracked
ExpressBox Tracked
Secure Payments
14-Day Smile Guarantee
14-Day Smile Guarantee

High-Quality Honing at Competitive Price

About this item

Flex-Hone BC12M12 is a 0.472" (12mm) diameter abrasive tool produced by Brush Research Manufacturing, imported from USA for Indian automotive and industrial applications. Its silicon carbide grit offers a durable finish, ideal for mild steel, stainless steel, cast iron, and softer ferrous materials. The tool creates a crosshatch pattern and a true plateau finish, aiding rapid ring seating, oil control, and seal longevity. Its self-centering, self-aligning design ensures easy use without elaborate setup, suitable for hydraulic cylinders, valve guides, and deburring tasks.

Thanks to its engineered oversize manufacturing, the BC12M12 provides optimal pressure inside the cylinder wall, ensuring uniform wear and precise finishing. Reviewers highlight its effectiveness on engine cylinders and hydraulic parts, noting faster, cleaner results compared to traditional honing methods. It can be used with hand drills, drill presses, or CNC equipment, making it versatile for automotive repair shops and manufacturing lines in India. Delivered in 48 hours via ExpressBox, with duties included, it offers a reliable, factory-sealed solution for professional honing needs.

Import from USA ensures high quality and consistency, with the product arriving ready for immediate use. Suitable for various materials and applications, it supports efficient deburring, port radiusing, and edge blending, helping Indian workshops achieve professional-grade cylinder finishes at competitive prices.

Key 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.
  • 120 GRIT SILICON CARBIDE ABRASIVE — Excellent on mild steel, stainless steel, cast iron and other softer ferrous materials. Typically achieves a finish of 35 - 50 Microinch (.9 - 1.4 Micrometer).
  • WHAT'S INCLUDED — 1 Each of a BC Standard Duty FLEX-HONE: 0.472" (12mm) Bore Diameter, 2.50" Abrasive Part Length, 0.168" Shank Diameter, 8" Overall Length. For Use on Bore Diameters Between 0.434"-0.472". PLEASE NOTE: ORDER BY BORE SIZE.

Why choose this product

Superior Quality & Consistency

Manufactured by Brush Research in the USA, the BC12M12 offers high durability, precise grit control, and reliable results for professional honing in India. Its self-centering design reduces setup time and ensures uniform wear, making it a trusted choice for automotive and industrial use.

Ideal for Indian Workshops & Industries

Designed for versatile applications like engine rebuilding, hydraulic cylinder finishing, and deburring. Its self-aligning feature simplifies honing in tight spaces, saving time and improving finish quality for Indian manufacturing and repair shops.

How to use

  • Select the Correct Bore Size — Measure your cylinder bore accurately; choose a hone with an oversize diameter matching your bore for optimal pressure and finish.
  • Attach to Rotary Tool — Secure the BC12M12 in your drill, drill press, or CNC spindle. Ensure the tool is centered and aligned before starting.
  • Hone with Proper Speed & Lubrication — Operate at 500-1200 RPM, apply honing oil or engine oil, and move the tool in a steady, uniform motion for 2-3 minutes per bore.
  • Inspect & Finish — Check the crosshatch pattern, ensure uniform finish, and clean the cylinder thoroughly before reassembly.

Example scenarios

Typical situations where Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

An Indian auto mechanic in Mumbai refurbishes engine cylinders, needs a reliable honing tool for 12mm bores, and wants quick results.

How this product helps

Uses BC12M12, achieves uniform crosshatch finish in 2-3 passes, saving time and improving seal performance, with faster turnaround and consistent quality.

Specifications

Composition

Abrasive MaterialSilicon Carbide

Usage

Recommended UseCylinder honing, deburring, port radiusing
Recomm. Speed500-1200 RPM
Size / Pack1 piece, 8" length
Cost per use₹3,230 per piece
Shelf lifeFactory-sealed, use within 24 months
Reapplication mathApprox. 8-10 uses per tool at standard RPM
ContraindicationsDo not use on hardened or ceramic surfaces
Allergens / irritantsNone

How we compare

FeatureFlex-Hone BC12M12 0.472"Others
Material & FinishSilicon Carbide grit, produces crosshatch pattern, 35-50 Microinch finishIndian-made abrasive hones, often with aluminum oxide, finish varies, typically coarser
Diameter & Compatibility0.472" (12mm), engineered oversized for precise fit and self-centeringVaries by manufacturer, often manual adjustment needed, less precise fit
Application & UseEngine, hydraulic, pneumatic cylinders, deburring, port radiusingGeneral honing, deburring, less specialized for engine or hydraulic parts
Price & Cost-Per-Use₹3,230 per piece, 8 uses at 500 RPM₹500-₹1500 per piece, variable quality, inconsistent finish

Product details

SKUhsa2753
GTIN0843469118530
BrandFlex-Hone
Model NumberBC12M12
Size0.472" (12mm)
MaterialSilicon Carbide
ColorGray

About Flex-Hone

Brush Research Manufacturing, USA, is a pioneer in abrasive honing tools, trusted worldwide for quality and innovation since 1972.

Compliance & Legal

This is a dietary supplement; not intended to diagnose, treat, cure or prevent any disease.

Customer Reviews

Share your experience

Bought this from CrowCrowCrow? Other buyers want to hear how it went.

No reviews from buyers in India yet. Be the first to share your experience!

FAQ, See What Others Asked

How do I choose the correct diameter flexible cylinder hone for my bore?
Order the Flex-Hone that matches your actual cylinder bore size. The BC12M12 is engineered oversized at 0.472" (12mm), fitting a bore between 0.434" and 0.472" for optimal pressure and finish. Its self-centering design ensures uniform honing without elaborate setup, making it suitable for Indian automotive and industrial cylinders.
Which grit size should I choose for engine cylinder deglazing and re-ringing?
A 180 or 240 grit silicon carbide hone is ideal for creating a cross-hatch pattern and a plateau finish, aiding oil retention and piston ring seating. The BC12M12's 120 grit is more suited for heavy deburring or rapid material removal, while finer grits provide smoother finishes.
Can I use this hone with a hand drill or CNC equipment?
Yes, the BC12M12 is compatible with hand drills, drill presses, and CNC machines. Its self-aligning, self-compensating design allows for easy operation across various rotating spindles, making it versatile for Indian repair shops and manufacturing units.
What is the typical finish achieved with this abrasive?
The silicon carbide grit typically produces a 35-50 Microinch (0.9-1.4 Micrometer) finish, suitable for engine cylinders, hydraulic parts, and pneumatic applications, ensuring better oil control and longer seal life.
How long does it take for the product to arrive in India?
The product ships via ExpressBox, arriving in approximately 11-13 days. Duties are included, and the product is factory-sealed, ready for immediate use upon delivery.

Frequently bought together

Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron

This item:

Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron

₹3,230

Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron

This item

Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron

₹3,230

Total price:

₹20,340

You save ₹6,300 (24%) Extra

3 items selected

3 items

₹20,340

You save ₹6,300 (24%) Extra

Product Comparison

Attributes
Current
Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron
Flex-Hone BC12M12 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast IronBuy Now
Flex-Hone BC12M600 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron
Flex-Hone BC12M600 0.472" (12mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast IronBuy Now
Flex-Hone 1" (25.4mm) Diameter | Silicon Carbide, 120 Grit, Self-Centering for Mild Steel & Cast Iron
Flex-Hone 1" (25.4mm) Diameter | Silicon Carbide, 120 Grit, Self-Centering for Mild Steel & Cast IronBuy Now
Flex-Hone BC10018 1" (25.4mm) Diameter 180 Grit Silicon Carbide | Self-Centering, Deburring & Finishing
Flex-Hone BC10018 1" (25.4mm) Diameter 180 Grit Silicon Carbide | Self-Centering, Deburring & FinishingBuy Now
Flex-Hone 2" (50.8mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast Iron
Flex-Hone 2" (50.8mm) Diameter | Silicon Carbide Grit for Mild Steel & Cast IronBuy Now
Prime-Line Compression Spring, Steel, Nickel Finish | Durable Household & Professional Use
Prime-Line Compression Spring, Steel, Nickel Finish | Durable Household & Professional UseBuy Now
Mean Well LRS-350-24 Switching Power Supply 24V 14.6A | 350W System Power Device for Industrial Use
Mean Well LRS-350-24 Switching Power Supply 24V 14.6A | 350W System Power Device for Industrial UseBuy Now
Spec
Price
₹3,230
₹3,320
₹13,180
₹19,060
₹3,930
₹4,260
₹3,990
₹5,830
₹5,530
₹5,720
₹1,290
₹1,820
₹12,560
₹18,490
Brand NameFlex-HoneFlex-HoneFlex-HoneFlex-HoneFlex-HonePRIME-LINEMEAN WELL
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹3,230₹3,320

You Save ₹90

Estimated doorstep delivery by 20 Nov - 22 Nov from USA
Add on Google
Visa
Mastercard
Google Pay
UPI
15-Point QC Passed
😊14-Day Smile Guarantee

Fast Shipping

Secure Packaging

14-Day Returns*

Quality & authenticity

Security & Privacy

Safe payments
Secure privacy

Tracked delivery

Tracked from USA · duties included
Genuine USA Imported Product
Damaged? Covered*

*Genuine defect, damage, wrong item or non-delivery, reported within 14 days; refund after inspection. Conditions

Your Order Journey: From Purchase to Doorstep

You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you
You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

Why shop with us

Crowcrowcrow: The Only Safe Lane for US-Market Exclusives

One price. One payment. No surprises.

High risk

Buying Direct

Recommended

Crowcrowcrow

Safe Lane

vs
₹9,690+ (3× the price)
₹3,230 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
11-13 days · live tracking
Grey market, no guarantee, no protection, no refund
Sourced from US retailers, India-verified, return available
Lost in transit = ₹0 back
Full protection included