Product Details
HKB-21500A / HKB-21500B
Dual-Blade Arc-Slab Edge-Trimming Machine
Trim, bevel & finish circular slabs 10–20× faster than hand work
1. Machine Overview
The HKB-21500 series trims edges of circular stone slabs (arc plates) up to 1.5 m long × 1.5 m wide with 0–60° variable bevel.
Choose Model A for maximum power or Model B for a lighter footprint—both deliver 10–20× manual speed and column-ready accuracy in one automatic pass.
2. Quick Specifications
| Parameter | Unit | HKB-21500A | HKB-21500B |
| Max processing length | mm | 1500 | 1500 |
| Max processing width | mm | 1500 | 1500 |
| Cutting angle | ° | 0~60° | 0~60° |
| Gross power | kw | 24.5 | 16.5 |
| Outline dimension |
| 4500×3800×2100 | 4500×3800×1800 |
| Gross weight | kg | ≈3800 | ≈3500 |
| Water consumption | m³/h | 4 | 4 |
3. Key Equipment Features
- Arc-Slab Worktable – self-centering rollers support curved pieces without movement
Wet-Cut System – recycles 0.4–4 m³/h water, keeps shop dust-free
Gantry Frame – 3.8 t (A) / 3.5 t (B) steel bridge absorbs vibration for
mirror-flat edges
4. Model Comparison
Same 1 500 × 1 500 mm working envelope and 0–60° cutting angle for
both.
5. Typical Applications
Circular column slabs – architectural façades, hotel lobbies
Arc kerbstones – curved road edges
Tombstone radials – curved headstone borders
Decorative arc tiles – plaza & garden edges
Countertop curved ends – bar-top returns
6. Workflow (1 Operator)
Place arc slab on roller table
Select program (length, angle, passes)
Press START – blades advance automatically
Unload finished piece – ready for column assembly
7. MOQ
| Model | MOQ | Lead Time |
|---|
| HKB-21500A | 1 set | 15 days |
| HKB-21500B | 1 set | 15 days |
Price includes machine, standard diamond blades, water pump, export
packing, sea freight to nearest port.
8. Customer Success
“Switched from hand routers to HKB-21500B. One operator now
finishes 300 arc pieces per day—15× faster, virtually zero chipping.”
— European Monument Supplier
“HKB-21500A handles 40 mm granite arcs without stalling. Power
reserve is excellent for hard stones.”
— North American Curved-Kerb Producer
Contact & RFQ
Company Profile


Fujian Xianda Machinery Co.,Ltd is a leading company for stone
cutting machines in China, established in 2002and covers
20,000'area which located in Jinjiang Wuli lndustrial area, near by
the longest and oldest stone bridge inthe world, named “Wuli
Bridge"and next to biggest stone markets in the world- Shuitou.
Close to the main port in
Fuiian-Xiamen port makes the shipment much more convenient.With 38
years experience specializing in developing and producing a series
of column processing machinesbridge cuttina machines, diamond wire
saw machinesprofilina linear machine. baluster cuttina machines. We
occu-nied 80% market in China for column processing machines. and
own 52 overseas countries users. Like
Bussia.lndiaVietnam,Poland,Croatia.Bosnia,Albania,Latvia,France,
Amenia,Uzbekistan,America.Canada,Brazil,
Pakistan,SaudiArabia.UAESouth Africa,Eqypt,lran,Tunisie,Zambia.
After-sales service is available for overseas markets.
Since its foundation in 2002, we keep “Top Technology and Superior
Quality"as our standard for all machinesand got CE,ISO9001 Quality
Gold Award .etc.“China Recommend Building Manufacture
Enterprise”,“3A Enterprise Credit Evalution”, etc for company.
Anowe are alwavs the sponsor for education as our CEO Mr Rov is
enthusiastic about the public welfare establishments.Xianda always
keep "Creat the highest value of vour stoneas purpose, and offers
the best stone cuttind solutioncustomers from both domestic and
overseas.
Your visiting and contactina is alwavs welcomed, We looking forward
to serve vou.