K20 Sunnen Hard Steel Hone Mandrels for Small Bore Honing
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Product Highlights
- High Precision Machining: Adjustable roundness, cylindricity, and surface roughness for inner holes.
- Versatile Material Compatibility: Diamond for cast iron and aluminum; CBN for tool steel and hardened parts.
- Multiple Series Available: K, B, and L series covering diameters from 1.9mm to 40mm.
- High Efficiency Process: Rotating and reciprocating tool ensures fast and guided honing.
- Superior Abrasive Quality: Diamond and CBN with high strength, good self-sharpness, and high concentration.
- Broad Machine Compatibility: Compatible with Sunnen, Roltter, Gehring, Nagel, Kadia, and other brands.
- Full Customization Options: Customization from samples, designs, and flexible minor adjustments available.
- Strict Quality Control: Random visual and function inspection for all finished products.
Product Attributes
- Type
- Steel Mandrels
- Material
- CBN or Diamond Abrasives
- Application
- Instrument Industry
- Model NO.
- K20
- Effect
- Polishing
- Honing Machine
- Sunnen
- Bond
- Metal Bond
- Grit Size
- Nm55, Nm85, Nm05, Nm005, Dm55, Dm05
- Abrasive
- Diamond
- K Series Model
- K3,K4,K5,K6,K8,K10,K12,K16,K20
- L Series Model
- L3,L4,L5,L6,L8,L10,L12,L16,L20
- Transport Package
- Carton Box
- Specification
- 14.00cm * 10.00cm * 9.00cm
- Trademark
- AUTO ABRASIVES
- Origin
- Henan, China
- HS Code
- 8466100000
- Production Capacity
- 200 PCS. / Month
- Package Size
- 10.00cm * 10.00cm * 8.00cm
- Package Gross Weight
- 0.500kg
Product Images of K20 Sunnen Hard Steel Hone Mandrels for Small Bore Honing
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Product Description
Honing is a kind of cutting method which is guided by the surface to be machined and the tool rotates and reciprocates. With high efficiency, roundness and cylindricity and surface roughness can be adjusted at any time according to needs, it is an ideal choice for high-precision machining of inner holes.
Diamond oil stone:suitable for precision machining of cast iron, aluminum alloy, copper alloy, ceramics, cemented carbide, magnetic materials, electric carbon products and non-ferrous metals.
Cubic boron nitride (CBN) oil stone:suitable for tool steel, die steel, alloy steel, stainless steel, quenched parts and surface chromium plating and other high hardness materials processing. Sunnen type Honing Stones specification chart:
K series:
| Honing Units | K3 | K4 | K5 | K6 | K8 | K10 | K12 | K16 | K20 | AK20 | AK30 |
| Stone Length(mm) | 15 | 15 | 18 | 19 | 32 | 32 | 45 | 67 | 63 | 63 | 63 |
| Diamater Range(mm) | 2.5-3 | 3-4 | 4-5 | 5-6 | 6-8 | 8-9.5 | 9.5-13 | 13-16 | 16-19 | 19-32 | 32-40 |
B series:
| Honing Units | B8 | B10 | B12 | B14 | B16 | B20 | AB30 |
| Stone Length(mm) | 47 | 47 | 60 | 70 | 85 | 95 | 95 |
| Diamater Range(mm) | 6-8 | 8-9.5 | 9.5-13 | 9.5-13 | 13-16 | 16-19 | 19-32 |
L series:
| Honing Units | L3 | L4 | L5 | L6 | L8 | L10 | L12 | L16 | L20 |
| Stone Length(mm) | 25 | 25 | 32 | 35 | 57 | 57 | 88 | 114 | 114 |
| Diamater Range(mm) | 1.9-3 | 3-4 | 4-5 | 5-6 | 6-8 | 8-9.5 | 9.5-13 | 13-16 | 16-32 |


Zhengzhou AUTO Superabrasives products Co., Ltd., founded in 2010, is an innovative enterprise specializing in the research and production of superhard material products, focusing on the research and development and production of various honing tools and supporting products, which are widely used in automobile, motorcycle, refrigeration, hydraulic, textile machinery, mining machinery, power tools, aerospace and other fields.
Used for all kinds of cylinder block, gear, connecting rod, piston, oil pump nozzle, hydraulic components and other parts of the inner hole precision machining.
The main products are honing stone, honing sleeve, honing rod and honing accessories, which can be matched with various imported and domestic vertical and horizontal honing machine tools.
Honing is a kind of grinding process which is guided by the surface to be machined and the tool rotates and reciprocates. High processing efficiency, roundness and cylindricity and surface finish can be adjusted at any time according to needs, is an ideal choice for high-precision machining of inner holes.
Diamond honing stone is suitable for precision machining of cast iron, aluminum, copper, quartz glass, ceramics, hard alloy, magnetic materials, semiconductor materials, electric carbon products and non-ferrous metal materials.
Cubic boron nitride (CBN) honing stone is suitable for the processing of high hardness materials such as tool steel, die steel, alloy steel, stainless steel hardening parts and chrome plating on the surface.
Companies adhering to the "excellence, the pursuit of excellence" spirit of enterprise, for each customer to provide professional, efficient, precision honing tools and services.


1. Who are We?
Zhengzhou AUTO Superabrasives products Co., Ltd. is located in Zhengzhou, Henan, China, and has been developing, producing and selling honing tools since 2010.
2. What are the products?
Honing tools can be used with Roltter SUNNEN Gehring, Nagel, Kadia, Engis, Nissin, Fuji,Toyo, Mas and other honing machines.
3. How to ensure quality.
The abrasive is diamond and CBN with high strength, good self-sharpness and high concentration. Strictly in accordance with the process requirements of production testing.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI2491345". Items marked "" are certified.
Company Profile
Zhengzhou AUTO Superbrasives products Co., Ltd., founded in 2010, is an innovative enterprise specializing in the research and production of superhard material products, focusing on the research and development and production of various honing tools and supporting products, which are widely used in automobile, motorcycle, refrigeration, hydraulic, textile machinery, mining machinery, power tools, aerospace and other fields.
Used for all kinds of cylinder block, gear, connecting rod, piston, oil pump nozzle, hydraulic components and other parts of the inner hole precision machining.
The main products are honing stone, honing sleeve, honing rod and honing accessories, which can be matched with various imported and domestic vertical and horizontal honing machine tools.
Honing is a kind of grinding process which is guided by the surface to be machined and the tool rotates and reciprocates. High processing efficiency, roundness and cylindricity and surface finish can be adjusted at any time according to needs, is an ideal choice for high-precision machining of inner holes.
Diamond honing stone is suitable for precision machining of cast iron, aluminum, copper, quartz glass, ceramics, hard alloy, magnetic materials, semiconductor materials, electric carbon products and non-ferrous metal materials.
Cubic boron nitride (CBN) honing stone is suitable for the processing of high hardness materials such as tool steel, die steel, alloy steel, stainless steel hardening parts and chrome plating on the surface.
Companies adhering to the "excellence, the pursuit of excellence" spirit of enterprise, for each customer to provide professional, efficient, precision honing tools and services.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 56 Duqin Road, Erqi District, Zhengzhou City, Henan Province& No. 18, 2nd Floor, Building 9, Zhengzhou, Henan, China
-
Plant Area
- 900 square meters
-
Number of Employees
- 17
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Qingdao Port, Tianjin Port
-
Minimum Order Quantity
- 1 pcs
-
Supply Chain Partners
- 4
Our Production Capability & Technical Expertise
-
Main Products
- Superhard material
-
Production Lines
- 3
-
Production Machines
- Machining center, CNC lathe, Lathe, External grinding machine, Surface grinder, Wire cutting machine, Hot press sintering machine
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Test Reports for Raw Materials
- Others
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2010-07-02
-
Export Year
- 1 year
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Who are We?
- Zhengzhou AUTO Superabrasives products Co., Ltd. is located in Zhengzhou, Henan, China, and has been developing, producing and selling honing tools since 2010.
- What are the products?
- Honing tools can be used with Roltter SUNNEN Gehring, Nagel, Kadia, Engis, Nissin, Fuji,Toyo, Mas and other honing machines.
- How to ensure quality?
- The abrasive is diamond and CBN with high strength, good self-sharpness and high concentration. Strictly in accordance with the process requirements of production testing.
- What materials are suitable for Diamond honing stones?
- Diamond oil stones are suitable for precision machining of cast iron, aluminum alloy, copper alloy, ceramics, cemented carbide, magnetic materials, electric carbon products and non-ferrous metals.
- What materials are suitable for CBN honing stones?
- Cubic boron nitride (CBN) oil stones are suitable for tool steel, die steel, alloy steel, stainless steel, quenched parts and surface chromium plating and other high hardness materials processing.
- What is the Minimum Order Quantity?
- The Minimum Order Quantity is 1 pcs.
- Do you offer OEM and ODM services?
- Yes, OEM Service Available and ODM Service Available.
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