Nuts for T-Slots
002.04.081
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€71.25*
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002.04.141
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€45.50*
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002.04.241
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€172.00*
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002.04.062
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€70.00*
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002.04.041
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€60.00*
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002.04.051
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€61.25*
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002.04.161
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€55.00*
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002.04.201
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€89.50*
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002.04.061
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€67.50*
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002.04.121
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€33.00*
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002.04.101
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€29.50*
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What are nuts for T-slots?
Nuts for T-slots are standardized fastening elements designed to fit into T-slots in machine tables, clamping fixtures, or profile rail systems. They create a form-fitting connection with bolts and can be freely positioned along the slot.
Typical Applications
Nuts for T-slots are used wherever components need to be securely and precisely fixed:
- Mechanical engineering (milling machines, machining centers)
- Fixture and tool making
- Assembly and clamping technology
- Profile and rail systems
- Testing and measurement equipment
Technical Features and Design
- Standard: DIN 508
- Material: Steel
- Strength class: 10
- Surface: plain (uncoated)
- Load capacity: high tensile and shear strength
- Application: suitable for high preload forces
The uncoated surface ensures a precise fit within the slot. No coating thickness interferes with positioning or seating accuracy.
Why Strength Class 10?
Steel nuts for T-slots in strength class 10 are designed for high mechanical loads:
- Suitable for high preload forces
- Designed for dynamic loads
- Stable thread performance even with repeated tightening and loosening
- Low risk of deformation under load
Compared to aluminum or lower strength classes, the connection remains reliable even under vibration.
Advantages of DIN 508
DIN 508 defines the dimensions and geometry of nuts for T-slots, ensuring compatibility and process reliability:
- Accurate fit to standardized T-slots
- Even load distribution within the slot
- Protection of slot flanks against damage
- Reliable pairing with suitable bolts
Matching Component: Screws for T-Slots
For a secure connection, nuts for T-slots should be combined with suitable screws:
- Recommended: screws for T-slots according to DIN 787
- Matching strength class 8.8
- Designed for high preload forces
Dimensions and Selection
Correct selection depends on slot width, thread size, and installation conditions.
Key selection criteria
- Slot width: must match the existing T-slot precisely
- Thread size: determines achievable preload force
- Height: affects thread engagement and load capacity
- Length: ensures sufficient bearing surface
- Head height: relevant for space and tool access
Standard Dimensions
| Slot width | Thread size | Height | Length | Head height |
| 5–8 mm | M4–M6 | 6,5–10 mm | 9–13 mm | 3–4 mm |
| 10–14 mm | M8–M12 | 12–18 mm | 15–22 mm | 6–10 mm |
| 16–22 mm | M14–M20 | 20–28 mm | 25–35 mm | 14–18 mm |
| 28 mm | M24 | 36 mm | 44 mm | 18 mm |
Custom dimensions available on request.
FAQ: Nuts for T-Slots
What are nuts for T-slots used for?
Nuts for T-slots provide a form-fitting connection in T-slots and allow flexible positioning of components on machine tables or fixtures.
Which standard applies to nuts for T-slots?
DIN 508 is the most common standard. It defines dimensions, geometry, and compatibility with standardized slots and screws.
Which screws are compatible with nuts for T-slots?
Typically DIN 787 screws for T-slots. Depending on the application, suitable socket head screws or stud bolts may also be used.
How do I choose the correct size?
The key factors are slot width and thread size. Both must match the slot and the selected screw.
Why is strength class important?
It determines the allowable preload forces. Strength class 10 is suitable for demanding applications.
Can nuts for T-slots be reused?
Yes. If properly designed and undamaged, they are suitable for repeated tightening and loosening.
What role does the surface finish play?
A plain (uncoated) surface ensures precise fitting without additional coating thickness and improves seating accuracy.
How are nuts for T-slots installed?
They are inserted laterally into the T-slot and can be freely positioned along the slot. Once tightened, they form a secure form-fitting counter support that reliably holds clamping and support elements, even under high loads.
Quality from ETTINGER – your requirements are our mission
For more than 60 years we have been supplying fasteners and electromechanical components in accordance with widely recognized standards. We rely on qualified employees, strict incoming goods inspections and innovative technologies to ensure that we consistently meet our high quality standards for battery and soldering technology as well as other electromechanical accessories.
At ETTINGER, we prefer to manufacture and source our parts in Germany. Thanks to long-standing, reliable business relationships with our suppliers we now have strong partners at our side, which in turn enable us to offer you products of the highest quality.
Quality through service and expertise. When you buy components from ETTINGER, you can enjoy peace of mind and confidence in your project.
About ETTINGER
ETTINGER GmbH is based in Hofolding near Munich and has been supplying an extensive range of mechanical components for electronics production for over 60 years. Approximately 25,000 products are permanently available from stock and we can supply another 15,000 products in line with specific customer requirements. We supply many industry sectors with our precision turned parts.
- Agricultural engineering
- Automotive sector and industry
- Battery technology
- Charging infrastructure
- Electromobility
- Electronics manufacturing
- Environmental and solar technology
- Fuel cell technology
- Measurement engineering
- Mechanical engineering
- Medical technology
- Robotics
- Sensor technology
- and more.