4 Station Bolt Former / Bolt Making Machine

A versatile cold forging machine designed for efficiently producing moderately complex fasteners with enhanced forming flexibility and stable high-speed performance.


Versatile Cold Forging for Complex Fastener Production

The 4 Station Bolt Making Machine from YESWIN MACHINERY is built for manufacturers who need more forming capability for longer or more complex bolts and screws. Ideal for producing hex bolts, shoulder bolts, flange bolts, and other precision fasteners, this machine offers high-speed cold forging with consistent performance.

Equipped with key features like a Q.T.C. close-cutter mechanism, P.K.O. system, frequency conversion motor, and spring or pneumatic transfer system, the 4 station model ensures stable operation and accurate part forming across all stages. It also supports interval feeding, air clutch control, and optional electronic handwheel adjustment for fine-tuning.

Designed for medium to high-volume production, this machine offers:

  • Greater forming flexibility for multi-step fasteners

  • Reliable transfer and cutting performance

  • Low maintenance with easy operation

  • Fast setup and adjustment for changing product lines

Whether you're expanding your capabilities or upgrading your current production line, the YESWIN 4 Station Bolt Making Machine provides the efficiency, accuracy, and scalability needed to meet growing industry demands.


Standard:

Air Clutch

ABB Inverter

Frequency Conversion Motor

Q.T.C. close-cutter mechanism

P.K.O. mechanism

Stopper handwheel adjustment

Spring Type/Pneumatic Type Transfer Mechanism

Electronic Handwheel Adjustment

Finger Opened at first station

Interval Feeding, Safety detection device, etc.

 

Upgrade options:

Feeding servo adjustment

Stopper servo adjustment

K.O. handwheel adjustment

K.O. servo adjustment

3-Step PKO

HMI operation panel

CBK, Quick Changing for Punch/Die Block

Transfer Mechansim 90-degree rotation for pre-setting

Digital gauge for punch wedge adjustment

Sound-proof cover

Short parts supporter



The 4-station model offers greater flexibility for producing moderately complex fasteners that require additional forming steps or length. It is well-suited for expanding product variety in mid- to high-volume production environments, and supports manufacturers looking to scale up capability without fully entering specialty or highly customized production.

Our machines are capable of producing:

Hex Head Bolts, Cap Screws, Flange Bolts, Weld Bolts, Stud Bolts, Elevator Bolts, Anchor Bolts, Wheel Bolts, Hub Bolts, Socket Bolts, Set Screws, Machine Bolts, Carriage Bolts, Concrete Screw Bolts, Square Head Bolts, Automotive Bolts, Expansion Bolts, Electronics Screws, Banjo Bolts, Cam Bolts, Guide Pins, Roofing Screws, Bike Bolts, Hose Clamp Screws, Timber Screws, T Bolts, Hammer Head Bolts, Confirmat Screws, Joint Connector Screws, Standoff Screws, Bolts and Pins, Double-End Studs, Shear Studs, Welding Studs, Connecting Rods, Axles, Quick Connectors, and more.

Whether you're producing standard fasteners or custom-engineered parts, YESWIN’s bolt making machines provide the flexibility and stability required to meet your production goals.