K - Series Nuts
Materials and Finishes:
Steel/Zinc & Clear
Stainless Steel/Self Finish - (available on request)
Please note: part numbers generated on the website may also include special manufactured parts and be subject to minimum order quantities, please call for more details.
Note: Due to the fact that fastening applications differ greatly, the below information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.
| Dimensional Data | |||||||||
| Size | Material Thickness | Across Flats A/F in mm | Hole Diameter d Ø in mm | d1 Ø in mm | d2 Ø in mm | Spigot Length | TR Part Number | ||
| h in mm | h 1 in mm | ||||||||
| M2.5 | 1 | 5.5 | 4.5 | 4.5 | 4.7 | 3 | 0.9 | M2.5 - -1ST TC1 | Standard Spigot Ex-Stock |
| M3 | 1 | 5.5 | 4.5 | 4.5 | 4.7 | 3 | 0.9 | M3 - -1ST TC1 | |
| M4 | 1 | 7 | 5.5 | 5.5 | 5.7 | 3.2 | 0.9 | M4 - -1ST TC1 | |
| M5 | 1 | 8 | 6.5 | 6.5 | 6.75 | 4 | 0.9 | M5 - -1ST TC1 | |
| M6 | 1 | 10 | 8 | 8 | 8.3 | 5 | 0.9 | M6 - -1ST TC1 | |
| M8 | 2 | 13 | 10 | 10 | 10.3 | 6.5 | 1.8 | M8 - -2ST TC1 | |
| M10 | 2 | 15 | 12.5 | 12.5 | 12.85 | 8 | 1.8 | M10 - -2ST TC1 | |
| M12 | 3 | 17 | 14.5 | 14.5 | 14.85 | 10 | 2.8 | M12 - -3ST TC1 | |
| M16 | 3 | 22 | 18.5 | 18.5 | 18.85 | 13 | 2.4 | M16 - -3ST TC1 | |
| M20 | 4 | 27 | 23 | 23 | 23.4 | 16 | 3.9 | M20 - -4ST TC1 | |
| M2.5 | 1.5 | 5.5 | 4.5 | 4.5 | 4.7 | 3 | 1.4 | M2.5 -1.5ST TC1 | Intermediate Spigot Ex-Stock |
| M3 | 1.5 | 5.5 | 4.5 | 4.5 | 4.7 | 3 | 1.4 | M3 - 1.5ST TC1 | |
| M4 | 1.5 | 7 | 5.5 | 5.5 | 5.7 | 3.2 | 1.4 | M4 - 1.5ST TC1 | |
| M5 | 1.5 | 8 | 6.5 | 6.5 | 6.75 | 4 | 1.4 | M5 - 1.5ST TC1 | |
| M6 | 1.5 | 10 | 8 | 8 | 8.3 | 5 | 1.4 | M6 - 1.5ST TC1 | |
| M2.5 | 2 | 5.5 | 4.5 | 4.5 | 4.7 | 3 | 1.8 | M2.5 - -2ST TC1 | Long Spigot Ex-Stock |
| M3 | 2 | 5.5 | 4.5 | 4.5 | 4.7 | 3 | 1.8 | M3 - -2ST TC1 | |
| M4 | 2 | 7 | 5.5 | 5.5 | 5.7 | 4.5 | 1.8 | M4 - -2ST TC1 | |
| M5 | 2 | 8 | 6.5 | 6.5 | 6.75 | 5 | 1.8 | M5 - -2ST TC1 | |
| M6 | 2 | 10 | 8 | 8 | 8.3 | 5 | 1.8 | M6 - -2ST TC1 | |
Product Features
A small range of sizes to suit most applications
M2.5 - M20 sizes ex-stock
No special tooling required
One head style - Hexagon
Three spigot lengths available ex-stock: Standard, Intermediate & Long
High torsional resistance
High pullout resistance
Zinc Plated (CR3) as standard
Stainless Steel supplied to order
Stock ready for immediate despatch
New Harder Grade
Material: C1022 Carbon Steel
Case hardened to a minimum of Hv0.3 610
Tested to ISO 898
