Self-drilling screws square drive pan head with serration under head
81480
TC SQ
certifications

regulations
DIN 7504-N (m) | Uni 8118 | Iso 15481

The recommended screwdriver speed R is purely indicative. The value proposed is based on tests carried out in our laboratories in conformity with regulatory norms. The use of different materials on site may therefore determine values other than those recommended. T value is the drilling capacity.
Diameters | Limits | dk | k | d | P | SQ | R(g/min) | T |
---|---|---|---|---|---|---|---|---|
4,2 | Min. | 7,84 | 2,75 | 4,04 | ~1,40 | 2 | 2.250 | l≤16 (2,00) |
Max | 8,20 | 3,05 | 4,22 | l≥19 (3,00) | ||||
4,8 | Min. | 9,14 | 3,25 | 4,62 | ~1,60 | 2 | 2.250 | l≤16 (3,00) |
Max | 9,50 | 3,55 | 4,80 | l≥19 (4,00) |
- Carbon steel:: C1022
- Case hardness: HV 560 min.
- Core hardness: HV 270-425
finishing

TG 51
Blue Zinc
Cr3 3µm

packaging
Sizes | Pieces per Carton | Minimum Consignment | Box |
---|---|---|---|
4,2 x 13 | 12.000 (12) | 4.000 (4) | 1.000 |
16 | 8.000 (8) | 4.000 (4) | 1.000 |
19 | 8.000 (8) | 4.000 (4) | 1.000 |
22 | 6.000 (6) | 2.000 (2) | 1.000 |
25 | 6.000 (6) | 2.000 (2) | 1.000 |
4,8 x 16 | 6.000 (6) | 2.000 (2) | 1.000 |
19 | 6.000 (12) | 2.000 (4) | 500 |
22 | 4.000 (8) | 2.000 (4) | 500 |
25 | 4.000 (8) | 2.000 (4) | 500 |
32 | 3.000 (6) | 1.000 (2) | 500 |