The YE-120D automatic chamfering machine is designed for precision chamfering and flat head processing of large diameter bolts and industrial metal components. Featuring dual-head simultaneous machining, servo feeding, pneumatic clamping, and digital adjustment technology, the machine delivers efficient, accurate, and stable chamfering performance for heavy-duty industrial manufacturing applications.
The 120 Large Diameter Hexagon Bolt Flat Head Chamfering Machine is a high-efficiency automatic chamfering solution specially designed for large-size bolts, hexagonal workpieces, round bars, and metal fasteners. Equipped with a dual-head chamfering system, the machine can process inner and outer chamfers simultaneously, greatly improving production efficiency and machining consistency.
This machine supports round, hexagonal, and square workpieces with an outer diameter processing range of 40mm-110mm and workpiece lengths from 30mm-180mm. The servo feeding system combined with pneumatic clamping ensures stable positioning accuracy and smooth automatic feeding during continuous operation.
Widely used in hardware manufacturing, bolt production, construction fasteners, automotive parts, machinery components, and industrial metal processing industries, this chamfering machine delivers high precision, stable operation, and reliable long-term performance for demanding factory production environments.
| Performance Item | Specifications |
| Machine Type |
YE-120D Hexagon Bolt Flat Head Chamfering Machine |
| Input Air Source |
0.3-0.7 MPa |
| The Motor Power |
Two 2.2K W4 Class |
| Specification |
1800*1200*1800 |
| Production Capacity |
1000 Set/Year |
| Certification |
CE |
| The Power Supply Voltage |
380 V 50 Hz |

Blade Damage Alarm Protection:Automatically stops operation when tool damage is detected, reducing equipment risk and maintenance costs.
Heavy Duty Industrial Structure:Stable machine frame design supports long-term continuous production in factory environments.
Dual Head Chamfering System: Simultaneously processes inner and outer chamfers to improve production efficiency and machining consistency.
Wide Workpiece Compatibility: Suitable for round, hexagonal, and square metal parts with diameters from 40mm to 110mm.
Servo Feeding Control: Delta servo feeding system provides precise positioning and stable automatic material feeding.
Pneumatic Clamping Structure: Ensures secure workpiece holding and minimizes vibration during machining.
Digital Adjustment Operation: Chamfer size and machining length can be digitally adjusted without complex mechanical setup.

The 120 Large Diameter Hexagon Bolt Flat Head Chamfering Machine is designed for high-precision chamfering and flat head processing across a wide range of industrial metal manufacturing applications. With stable automatic feeding, dual-head machining capability, and reliable continuous operation performance, the machine provides efficient and consistent chamfering solutions for factories handling large-diameter metal workpieces and heavy-duty hardware components.
Fastener Manufacturing Industry:Used for chamfering large hexagon bolts, threaded rods, nuts, anchor bolts, and industrial fastening components. The machine improves edge smoothness, assembly accuracy, and product consistency for high-strength fastening systems.
Automotive and Commercial Vehicle Components:Suitable for suspension bolts, axle parts, wheel fasteners, engine connection components, and structural hardware. Precise chamfering helps improve assembly performance, reduce burrs, and ensure dimensional stability during vehicle production.


Construction Hardware and Steel Structure Industry:Widely applied in the processing of bridge fasteners, steel structure connectors, heavy-duty bolts, foundation anchor components, and large construction hardware. The machine enhances installation precision and structural reliability for engineering projects.
Industrial Machinery Manufacturing:Ideal for chamfering shafts, couplings, hydraulic fittings, flange parts, mechanical connectors, and transmission components. Smooth chamfer surfaces improve assembly efficiency and reduce wear during equipment operation.
Pipeline and Energy Equipment Production:Suitable for metal connectors, pipe fittings, pressure system hardware, and energy industry mechanical parts requiring accurate edge processing and stable machining quality.
Heavy Equipment and Mining Machinery Industry:Provides reliable chamfering performance for oversized fasteners, mining equipment components, heavy mechanical structures, and industrial support hardware operating under demanding working conditions.
Marine Hardware and Shipbuilding Applications:Used for large metal fastening parts, marine connectors, and structural components requiring corrosion-resistant finishing and stable edge processing quality.
Custom Metal Fabrication Industry:Supports flexible production requirements for customized metal parts, special-shaped workpieces, and multi-specification hardware products with fast digital adjustment and efficient production capability.
High Precision Performance:Provides stable and accurate chamfering results for industrial metal components.
Efficient Dual-Head Machining: Simultaneously processes multiple chamfer surfaces to improve production efficiency.
Easy Digital Operation:Digital parameter adjustment reduces setup time and improves productivity.
Heavy Duty Machine Structure: Stable machine body design supports long-term continuous factory operation.
Reliable Factory Support:Professional manufacturing service with OEM customization and technical assistance.
YQUNIQUE provides 1 year warranty period, during which our company will undertake all after-sale services and spare parts free of chargee
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