

Almost all processed materials.
The Sunnen alternative honing mandrel is 100% replaceable.
K series (K3 - AK20, aperture range from 2.54mm to 25.48mm)
BL series (BL3 - BAL20, inner diameter range 2.54mm to 26.19mm)
L series (L6 - AL20, aperture range from 2.54mm to 26.19mm)
Y series mandrel.
Diamond insert mandrel
Extra long mandrel with extended handle
S = soft shoe steel mandrel for honing most materials.
H = hardened steel steel mandrel for the production of hard, rough parts, hard alloys, ceramics, glass honing.
B = bronze mandrel for the production of very fine finishes and grinding of exotic metals.
| HS Code | 8466.93 |
| Brand | zhuyunMachinery |
| Material | Precision Tool Steel / Hardened Steel Body with Brass or Bronze Wear Components |
| Grade/Type | K3 - AK20 (K Series), BL3 - BAL20 (BL Series), L Series, Y Series - Sunnen Alternative Compatible |
| Purity/Composition | Tool Steel Body; Brass/Bronze Guide and Expansion Sleeves |
| Size/Dimensions | Aperture/Inner Diameter Range: 2.54mm to 25.48mm (varies by series) |
| Standard | Sunnen Mounting and Expansion Standard; Interchangeable with Sunnen K, BL, L, Y Series Mandrels |
| Application | Precision Bore Honing, Cylinder Finishing, Engine Block Honing, Hydraulic Component Sizing, Pump Housing Bore Finishing |
| Packaging | Individual Plastic Case per Mandrel / Set Packaging in Foam-Lined Box (Export Ready) |
| Origin | Various (Subject to Supplier) |
| Port | 46 |
| Delivery Time | 14 |
Shanghai Zhuyun Machinery Co., Ltd. is a high-tech enterprise integrating the production of honing machine tools, honing tools, deep hole machine tools, deep hole tools, and abrasives. The company currently has a variety of honing machines such as MRL1800, MRL1805, MVR220, MVRL160, etc. The equipment has high precision, good stability and strong reliability. In terms of honing tools, we produce and develop various types of metal/ceramic/resin bonds, various CBN/diamond honing rods, grinding wheels; honing heads, honing rods, machine tool accessories, reaming honing tools and other honing machine products.
The K, BL, L, and Y series honing mandrels serve as direct Sunnen alternatives for precision bore finishing and sizing in automotive, aerospace, and general machining applications. These 100% replaceable mandrel sets cover aperture ranges from 2.54mm to over 25mm, making them suitable for cylinder honing in engine blocks, hydraulic components, and pump housings. Ideal for B2B procurement teams sourcing cost-effective honing accessories for CNC honing machines, these mandrels offer full interchangeability with standard Sunnen tooling while providing competitive pricing for high-volume industrial supply.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
K,BL,L,Y series Honing mandrels is available for wholesale import from SHANGHAI ZHUYUN MACHINERY CO.,LTD, a verified Supplier based in China. The current FOB price is 1000. Minimum order quantity starts at 1 Carton. HS Code: 8466.93 — used for customs classification and import duty calculation. Key product specifications include 8466.93, zhuyunMachinery, Precision Tool Steel / Hardened Steel Body with Brass or Bronze Wear Components.
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