UNI 8118 N - Self Drilling screws
Current norm: ISO 15481
Equivalent norms: DIN 7504 N;
Current norm: ISO 15481
| Company | City | Country | Company profile |
|---|---|---|---|
| TOP LUSAVOUGA - Hardware and Tools | Cacia | Portugal | See Detail |
| TOP Lectoe Engineering Fasteners 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 |
| Worldfast | Vilafranca Del Penedes | Spain | |
| Growmax Exim Pvt. Ltd. | Jamanagar | India | |
| Difusora de Artículos Mecánicos Especiales, S.A. (DAMESA) | Cuarte de Huerva | Spain | |
| Orexad | LONS | France | |
| EJOT SPOJNA TEHNIKA d.o.o. | Zagreb | Croatia | |
| Stantree Precision Ltd | Walsall | United Kingdom |
Legend:
l - length of bolt
d - the nominal diameter of the thread
k - head height
d2 - head diameter
s - groove width
dk - diameter drill
Makings:
Steel: ISO 10666
Stainless: A2
Plastic: -
Non Ferrous: -
Thread: thread ISO 1478
Notes:
-
Table according to ISO 15481:
dimensions in mm
| Screw thread d | ST2,9 | ST3,5 | (ST3,9) | ST4,2 | ST4,8 | ST5,5 | ST6,3 | ||
| dk | nominal=max. | 5,5 | 6,8 | 7,5 | 8,1 | 9,5 | 10,8 | 12,4 | |
| min. | 5,2 | 6,44 | 7,14 | 7,74 | 9,14 | 10,37 | 11,97 | ||
| k | approx. | 1,7 | 2,1 | 2,3 | 2,5 | 3 | 3,4 | 3,8 | |
| r | max. | 1,1 | 1,4 | 1,5 | 1,6 | 1,9 | 2,1 | 2,4 | |
| Cross recess | No. | 1 | 2 | 2 | 2 | 2 | 3 | 3 | |
| Type H | m | approx. | 3 | 4,2 | 4,6 | 4,7 | 5,1 | 6,8 | 7,1 |
| Penetration depth | min. | 1,4 | 1,62 | 2,03 | 2,11 | 2,59 | 2,95 | 3,33 | |
| max. | 1,7 | 2,12 | 2,53 | 2,62 | 3,1 | 3,53 | 3,91 | ||
| Type Z | m | approx. | 2,8 | 4 | 4,2 | 4,4 | 5 | 6,3 | 7 |
| Penetration depth | min. | 1,48 | 1,6 | 1,85 | 2,05 | 2,64 | 2,72 | 3,38 | |
| max. | 1,73 | 2,06 | 2,31 | 2,51 | 3,1 | 3,16 | 3,84 | ||
| l | lg | ||||||||
| Nominal | min. | max. | min. | ||||||
| 9,5 | 8,75 | 10,25 | 3,25 | 2,85 | |||||
| 13 | 12,1 | 13,9 | 6,6 | 6,2 | 5,8 | 4,3 | 4,7 | ||
| 16 | 15,1 | 16,9 | 9,6 | 9,2 | 8,8 | 7,3 | 5,8 | 5 | |
| 19 | 18 | 20 | 12,5 | 12,1 | 11,7 | 10,3 | 8,7 | 8 | 7 |
| 22 | 21 | 23 | 15,1 | 14,7 | 13,3 | 11,7 | 11 | 10 | |
| 25 | 24 | 26 | 18,1 | 17,7 | 16,3 | 14,7 | 14 | 13 | |
| 32 | 30,75 | 33,25 | 24,5 | 23 | 21,5 | 21 | 20 | ||
| 38 | 36,75 | 39,25 | 30,5 | 29 | 27,5 | 27 | 26 | ||
| 45 | 43,75 | 46,25 | 34,5 | 34 | 33 | ||||
| 50 | 48,75 | 51,25 | 39,5 | 39 | 38 | ||||