| Company | City | Country | Company profile |
|---|---|---|---|
| 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 Non Standard Socket Screw Ltd | Brimingham | United Kingdom | 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 |
| Pedalco edelstaal a/s | 痴氓驳氓 | Norway | |
| Librado Suministros Industriales, S.A. | Cuenca | Spain |
l - length of bolt
d - the nominal diameter of the thread
t - groove depth
dp - diameter of the ejector
Steel: 45H
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: 6g
Notes:
-
| dp | 1,75 | 2,25 | 3,2 | 3,7 | 5,2 | 6,64 | 8,14 |
| t | 1,2/2 | 1,5/2,5 | 2/3 | 2/3,5 | 3/5 | 4/6 | 4,8/8 |
| z | 1,5 | 2 | 2,5 | 3 | 4 | 5 | 6 |
| l | d | ||||||
| M3 | M4 | M5 | M6 | M8 | M10 | M12 | |
| 3 | + | ||||||
| 4 | + | + | |||||
| 5 | + | + | + | ||||
| 6 | + | + | + | + | |||
| 8 | + | + | + | + | + | ||
| 10 | + | + | + | + | + | + | |
| 12 | + | + | + | + | + | + | + |
| 16 | + | + | + | + | + | + | + |
| 20 | + | + | + | + | + | + | + |
| 25 | + | + | + | + | + | + | |
| 30 | + | + | + | + | + | + | |
| 35 | + | + | + | + | |||
| 40 | + | + | + | + | |||
| 45 | + | + | + | ||||
| 50 | + | + | + | + | |||
| 60 | + | + | |||||