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Item #:
89640783
US Stock 10PCS BT40-45 Pull Stud Retention Knob 401 with M16 Thread Solid MAS403 Standard
90% of respondents would recommend this to a friend
Item #:
89640783
GMD 6600
Price Details
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Imported from USA store
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Our pull studs have demonstrated exceptional hardness and durability, providing excellent holding power and resistance to loosening under vibration.
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What Stands Out
High Compatibility
Designed specifically for Mazak CNC machines, ensuring seamless fit and operation. This compatibility enhances machine performance by providing reliable retention during machining processes.
Coolant Through Design
Features a coolant through capability that enhances cooling and chip removal. This design helps maintain optimal tool temperature, prolonging tool life and improving machining efficiency.
Durable Construction
Crafted from high-quality materials, these pull studs are built to withstand rigorous machining environments. Their durability ensures consistent performance and reduces the need for frequent replacements, offering great value for users.
Product Details
| Thread Size | M16 |
| Exterior Finish | Stainless Steel |
| Color | Silver |
| Fastener Type | Stud Bolt |
| Thread Type | Metric |
| Thread Style | Right Hand |
| Item Hardness | Rockwell C 53-60 |
| Grade Rating | Grade B7 |
| Material Type | Alloy Steel |
| Metal Type | Alloy Steel |
| Finish Types | Finish |
| Number of Pieces | 1, 10, 2, 4 |
| Thread Coverage | Partially Threaded |
| Item Dimensions | 0.63 x 1.57 x 1.57 inches (1.6 x 4 x 4 cm) |
| Brand | WTTTOOLS |
| Unit Count | 10 Count |
| Manufacturer | Luoyang Xincheng |
| Included Components | Knob |
| Part Number | Pull Stud |
| Material | Alloy Steel |
Who Should Buy?
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CNC Machinists
Ideal for CNC machinists who require durable and reliable retention knobs for seamless machining operations.
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Mazak Users
Designed specifically for Mazak CNC machines, ensuring compatibility and optimal performance during tool changes.
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Precision Engineering
Beneficial for precision engineering tasks where coolant-through functionality helps maintain tool temperature and workpiece integrity.
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Other Machine Brands
Not suitable for non-Mazak machines, as compatibility issues may arise with different retention systems.
Product Description
US Stock 10PCS BT40-45 Pull Stud Retention Knob 401 with M16 Thread Solid MAS403 Standard
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Customer Questions & Answers
-
Question:
What materials are the pull studs made from?
Answer: The pull studs are made from high-quality low carbon alloy steel 20CrMnTi with heat treatment. -
Question:
Are these pull studs compatible with any CNC machine?
Answer: Yes, these CAT40 pull studs are designed to fit Haas machines specifically. -
Question:
What testing do these pull studs undergo before delivery?
Answer: They undergo tensile testing, fatigue resistance testing, and are checked with a full auto image detector.
WTTTOOLS Tool Holders Editorial Review
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Pros
- High-quality build
- Perfect fit for Mazak machines
- Excellent coolant flow
- Durable and long-lasting
- Easy installation
Cons
- Slightly heavier than some alternatives.
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9 September 2026 · via Trustpilot
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GMD 6600
Order now and get it around Saturday, October 03
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Fastest cross-border delivery
Features & Benefits
- High-precision dimensions ensure quality and performance.
- Flange design promises smooth, burr-free surfaces for optimal functionality.
- Precision-thread processing enhances durability and corrosion resistance.
- Rigorous testing guarantees reliability before shipping.
- High hardness provides exceptional holding power under vibration.
- Well-packaged to ensure product integrity during shipping.
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