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April 13, 2026In industrial machines and modular assembly systems, proper estimation of weight is necessary in weight allocation, structural stability, material design, and cost management. The T Slot Nuts Weight Chart is used by engineers, manufacturers and purchasing departments as a special guide to estimate accurate values of weights of the nut with particular slot compatibility and the type of material used.x
Industries that require aluminum profiles and modular framing systems, as well as lightweight components with precision fastening, widely use this chart. Through a T-slot nut weight chart, a professional can make the planning process effective, make correct calculations, and have a better performance of the system.
What Is a T Slot Nut?
A T Slot Nut is a special fastener that fits into the T slots of aluminum extrusion strips. It offers a safe and versatile way of attaching, with attaching being able to be removed and rearranged very easily without the use of complicated equipment. The nuts have numerous applications in industrial automation, machine frames, workstations, and in structural assemblies. The T Slot Nuts design provides high holding power but also allows versatility in assembly designs.
T-Slot Nut Dimensions & Weight Chart
| Thread A | Table Slot B | Metric Slot | C | D | E | F | Weight (lbs/100 pcs) |
| 1/4-20 | 5/16 | 8MM | 1/4 | 3/16 | 9/16 | 9/16 | 2 |
| 1/4-20 | 3/8 | 10MM | 3/8 | 15/64 | 9/16 | 9/16 | 3 |
| 5/16-18 | 3/8 | 10MM | 3/8 | 1/4 | 5/8 | 7/8 | 5 |
| 5/16-18 | 7/16 | 12MM | 1/2 | 7/32 | 11/16 | 7/8 | 6 |
| 5/16-18 | 1/2 | 13MM | 1/2 | 9/32 | 7/8 | 7/8 | 8 |
| 3/8-16 | 7/16 | 12MM | 1/2 | 7/32 | 11/16 | 7/8 | 5.5 |
| 3/8-16 | 1/2 | 12MM | 1/2 | 9/32 | 7/8 | 7/8 | 8 |
| 3/8-16 | 9/16 | 15MM | 5/8 | 11/32 | 7/8 | 1-1/8 | 12.6 |
| 7/16-14 | 1/2 | 13MM | 1/2 | 9/32 | 7/8 | 7/8 | 9 |
| 7/16-14 | 1/2 | 13MM | 3/8 | 7/32 | 3/4 | 7/8 | 8 |
| 1/2-13 | 9/16 | 15MM | 5/8 | 11/32 | 7/8 | 1-1/8 | 11 |
| 1/2-13 | 5/8 | 16MM | 5/8 | 11/32 | 1 | 1-1/8 | 14 |
| 1/2-13 | 5/8 | 16MM | 3/4 | 3/8 | 1-1/8 | 1-1/8 | 17 |
| 1/2-13 | 11/16 | 18MM | 3/4 | 7/16 | 1-1/8 | 1-1/4 | 21 |
| 1/2-13 | 3/4 | 20MM | 3/4 | 15/32 | 1-1/4 | 1-1/4 | 24 |
| 5/8-11 | 11/16 | 18MM | 3/4 | 7/16 | 1-1/8 | 1-1/4 | 19 |
| 5/8-11 | 3/4 | 20MM | 3/4 | 15/32 | 1-1/4 | 1-1/4 | 22 |
| 5/8-11 | 13/16 | 21MM | 1 | 9/16 | 1-1/4 | 1-1/2 | 37 |
| 3/4-10 | 13/16 | 21MM | 1 | 9/16 | 1-1/4 | 1-1/2 | 34 |
| 3/4-10 | 7/8 | 23MM | 1 | 9/16 | 1-1/2 | 1-1/2 | 41 |
| 3/4-10 | 1 | 26MM | 1 | 5/8 | 1-5/8 | 1-3/4 | 55 |
| 3/4-10 | 1 | 26MM | 1-1/2 | 3/4 | 1-3/4 | 1-3/4 | 86 |
| 3/4-10 | 1-1/16 | 27MM | 1-1/8 | 11/16 | 1-5/8 | 2 | 76 |
| 7/8-9 | 1 | 26MM | 1 | 5/8 | 1-5/8 | 1-3/4 | 84 |
| 7/8-9 | 1-1/16 | 27MM | 1-1/8 | 11/16 | 1-5/8 | 2 | 72 |
| 7/8-9 | 1-1/8 | 28MM | 1-1/2 | 3/4 | 1-3/4 | 2 | 98 |
| 7/8-9 | 1-5/16 | 34MM | 1-1/4 | 15/16 | 2 | 2 | 131 |
| 1-8 | 1-1/16 | 27MM | 1-1/8 | 11/16 | 1-5/8 | 2 | 67 |
| 1-8 | 1-1/8 | 32MM | 1-1/2 | 3/4 | 1-3/4 | 2 | 91 |
| 1-8 | 1-1/4 | 32MM | 1-1/4 | 7/8 | 2 | 2 | 231 |
| 1-8 | 1-5/16 | 34MM | 1-1/4 | 15/16 | 2 | 2 | 150 |
| 1-1/4-7 | 1-3/8 | 36MM | 1-3/4 | 1-1/8 | 2-1/2 | 2-1/2 | 204 |
Key Features
- Made to fit T-slot aluminium profiles.
- Gives good and flexible fastening.
- Easy installation and repositioning
- Incompatible with non-modular assembly systems.
- Can be made in a variety of sizes and materials.

Why Is the T Slot Nuts Weight Chart Important?
The T Slot Nuts Weight Chart in Kg mm gives the correct values of the weight necessary in the processes of assembly, structural planning and procurement. Even the slightest differences in weight can affect the alignment, balance, and efficiency of modular systems and the whole system. The T Slot Nuts Weight Chart PDF is used in many industries to document, verify design, and submit projects. Calculation errors, efficiency, and material usage are minimised by using a standardised T-Slot Nuts Weight Chart which enhances efficiency and consistency in materials used.
Weight charts are especially useful for material estimation, transportation planning, cost management, and design optimization in modular and lightweight structures.
T Slot Nuts – Complete Technical Overview
T Slot Nuts are produced based on global standards and are uniquely meant to fit aluminum extrusion systems. Their design enables them to be readily inserted into T-slots and fastened when tightened, providing solid and stable connections.
T Slot Nuts are made out of carbon steel, stainless steel, and alloy steel and offer good corrosion resistance, strength, and longevity. They are flexible, adjustable and can be reassembled many times, their multi-purpose nature makes them ideal applications.

Application & Uses of T-Slot Nuts Manufacturers
- T-Slot Nuts uses in Agriculture Industry
- T-Slot Nuts uses in Automobile & Transportation
- T-Slot Nuts uses in Oil and Gas Industry
- T-Slot Nuts uses in Plumbing
- T-Slot Nuts uses in Water supply systems
- T-Slot Nuts uses in Chemical Refining
- T-Slot Nuts uses in Building & Construction Industry
- T-Slot Nuts uses in Power Generation Industry
- T-Slot Nuts uses in Military
- T-Slot Nuts uses in Marine
T-Slot Nuts Materials / Grades
| Materials | Grades |
| Stainless Steel | ASTM / ASME SA 312 GR. TP 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316 LN, 317, 317L, 321, 321H, 347, 347 H, 904L |
| High Tensile | 8.8, 10.9, 12.9, 14.9 |
| Duplex Steel | UNS NO S 31803, S 32205, S 32550, S 32750, S 32760 |
| Alloys Steel | ASTM / ASME A/SA 193 / 194 – B 6, B 7 / B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M |
| Nickel Alloys | Nickel Alloys 200, Nickel Alloys 201 |
| Hastelloy | Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G |
| Inconel | Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750, Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L |
How to Use the Weight Chart Correctly
The T Slot Nuts Weight Chart requires identifying the appropriate slot size and thread size to be used first to effectively use the weight chart. After the confirmation of the dimensions, the type of material used must be chosen according to both the environmental and load circumstances. Using the T Slot Nuts Weight Chart, those who open it can easily determine the total weight of large quantities, decide when to buy and the distribution of load of the parts in assemblies. Precision checking against values with specifications of the manufacturer would also serve better in enhancing accuracy and minimize wastages of materials as well as operational errors.

Conclusion
The T Slot Nuts Weight Chart is an important reference guide to engineers, designers and procurement professionals dealing with modular systems as well as industrial assemblies. It gives relevant weight information that can aid in effective planning, cost management and optimization of design operation. Through a trustworthy T Slot Nuts Weight Chart, industries will be able to optimise productivity, provide accuracy, and long-term dependability of fastening and structural purposes.
