The Set Of 5MAZAK BT40 Pull Stud is a precision-engineered retention knob designed for CNC machines using BT40 tool holders. Known by its ISO standard designation MAS 403, this pull stud plays a critical role in securely clamping the tool holder to the machine spindle.
Pull studs are subjected to extremely high clamping forces and spindle speeds. Therefore, strict requirements for accuracy, rigidity, and reliability must be met. Low-quality pull studs can reduce machining performance and pose serious safety risks. A broken pull stud may cause severe damage to the machine and workpiece and may even result in injury to operating personnel.
Our MAZAK BT40 Pull Studs are manufactured from special high-strength alloy steel and are properly heat-treated to ensure superior rigidity, wear resistance, and long service life. These pull studs are available in with hole and without hole variants to suit different CNC machine and coolant system requirements.
Key Features
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Designed for MAZAK BT40 tool holders
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Manufactured as per MAS 403 ISO standard
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Available with hole and without hole
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High tensile strength and excellent rigidity
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Precision-machined for secure and stable tool clamping
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Properly heat-treated for durability and operational safety
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Improves machining accuracy and machine reliability
Specifications
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Brand Compatibility: MAZAK
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Tool Holder Size: BT40
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ISO Standard Name: MAS 403
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Application: CNC Machines
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Material: Special Alloy Steel
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Heat Treatment: Yes
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Variants: With Hole / Without Hole
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