| Company | City | Country | Company profile |
|---|---|---|---|
| TOP EU 秘密研究所 Portal, s.r.o. | Brno | Czech Republic | See Detail |
| TOP Kaleliler 秘密研究所 | ANKARA | Turkey | See Detail |
| TOP LUSAVOUGA - Hardware and Tools | Cacia | Portugal | See Detail |
| TOP Lectoe Engineering 秘密研究所 Ltd | Wolverhampton | United Kingdom | See Detail |
| TOP Jiaxing Haina Fastener Co.,Limited | JIAXING | China | See Detail |
| TOP Shanghai Tengri Metal Products Co., Ltd | Shanghai | China | See Detail |
| TOP Ferrobend | Mumbai | India | See Detail |
| TOP Hanshin Neji Co.,Ltd. | Osaka | Japan | See Detail |
| TOP Maruti Metal Industries | Jamnagar | India | See Detail |
| ANEMO Engineering BVBA | Leisele | Belgium |
s - size of the hexagon
e - the diameter of the circumscribed circle (not less than)
m - height of the nut
d - the nominal diameter of the thread
dw - contact surface diameter
Steel: 10
Stainless: -
Plastic: -
Non Ferrous: -
Thread: 6H
Notes:
-
| thread size d | M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 | |
| P | 1,75 | 2 | 2,5 | 2,5 | 3 | 3 | 3,5 | 4 | |
| dw | Min. | 20 | 25 | 30 | 34 | 39 | 43,5 | 47,5 | 57 |
| e | Min. | 23,91 | 29,56 | 35,03 | 39,55 | 45,2 | 50,85 | 55,37 | 66,44 |
| m | Nominal size = max. | 10 | 13 | 16 | 18 | 19 | 22 | 24 | 29 |
| Min. | 9,64 | 12,3 | 14,9 | 16,9 | 17,7 | 20,7 | 22,7 | 27,7 | |
| 尘麓 | Min. | 7,71 | 9,84 | 11,92 | 13,52 | 14,16 | 16,56 | 18,16 | 22,16 |
| s | Nominal size = max. | 22 | 27 | 32 | 36 | 41 | 46 | 50 | 60 |
| Min. | 21,16 | 26,16 | 31 | 35 | 40 | 45 | 49 | 58,8 | |
| Weight kg/1000pcs | 23,3 | 44,8 | 73,9 | 104 | 155 | 224 | 300 | 515 | |