sed forfasteningsheet metal and othersheet materialsto metal andwoodensubstructure.Usedwithout pre-drillingsheet metalthicknessup to2.0mm.
Made of steel,zinc-coatedsurface.The tipofa drill,a hemisphericalheadwithstampedwasher,slottedcrossPhillips №2,pitchfrequent.
technical characteristics
|
Designation, mm
|
3,8х11
|
| |
| Llength, mm |
10,2-11,8 |
| Ahead diameter, mm |
7,60-8,00 |
| H height ofhead, mm |
2,70-3,00 |
| D1outside diameter, mm |
3,75-3,95 |
| D2internal diameterin mm |
2,76-2,92 |
| Qslotdepth, mm |
2,31-2,95 |
| Rradius, mm |
0,60 |
| slot |
Ph2 |
| Dpdrill diameter, mm |
3,10 |
| Slength of thedrill, mm |
4,00 |
| Weight1000.Kg |
1,05 |
Material: SteelC1022
Coverage:oxidized