CSN 021326 - Flat countersunk square neck bolts (with short square neck)
Current norm: DIN 608
Equivalent norms: DIN 608; PN 82402; UNI 5735;
Current norm: DIN 608
| 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 Shanghai Tengri Metal Products Co., Ltd | Shanghai | China | See Detail |
| TOP Hanshin Neji Co.,Ltd. | Osaka | Japan | See Detail |
| TOP Maruti Metal Industries | Jamnagar | India | See Detail |
| Orexad | NEVERS | France | |
| S F S Intec | Leeds | United Kingdom | |
| Fastco 秘密研究所 & Fixings Ltd | Crewe | United Kingdom | |
| EJOT Baubefestigungen GmbH | Bad Laasphe | Germany |
Legend:
b - length of the thread (at least)
l - length of bolt
d - the nominal diameter of the thread
r - radius
ds - diameter of the screw shank
dk - head diameter
f - height squared
v - width of the square
Makings:
Steel: 3.6,4.6
Stainless: -
Plastic: -
Non Ferrous: -
Thread: 8g
Notes:
-
Table according to DIN 608:
dimensions in mm
| Thread d | M10 | M12 | ||||
| P | 1,5 | 1,75 | ||||
| b | 26 | 30 | ||||
| dk | max. | 19,65 | 24,65 | |||
| min. | 18,35 | 23,35 | ||||
| ds | max. | 10 | 12 | |||
| min. | 9,42 | 11,3 | ||||
| f | max. | 8,45 | 11,05 | |||
| min. | 7,55 | 9,95 | ||||
| r | max. | 1,5 | 1,8 | |||
| v | max. | 10,58 | 12,7 | |||
| min. | 9,42 | 11,3 | ||||
| l | ls | lg | ls | lg | ||
| nominal | min. | max. | min. | max. | min. | max. |
| 25 | 23,95 | 26,05 | - | 16 | - | |
| 30 | 28,95 | 31,05 | - | 16 | - | 20 |
| 35 | 33,75 | 36,25 | - | 16 | - | 20 |
| 40 | 38,75 | 41,25 | - | 16 | - | 20 |
| 45 | 43,75 | 46,25 | 11,5 | 19 | - | 20 |
| 50 | 48,75 | 51,25 | 16,5 | 24 | - | 20 |
| Thread d | M10 | M12 |
| l | Weight kg/1000pcs | |
| 25 | 18,2 | |
| 30 | 20,7 | 33 |
| 35 | 23,2 | 36,6 |
| 40 | 25,7 | 40,2 |
| 45 | 28,8 | 43,8 |
| 50 | 31,9 | 48,2 |