Self drilling screw CSK head, six lob drive DIN 7504 O/P
A2 is only used for
soft materials
| d1 | 2.9 | 3.5 | 3.9 | 4.2 | 4.8 | 5.5 | 6.3 |
|---|---|---|---|---|---|---|---|
| d2 | 5,5/5,5 | 6,8/7,3 | 7,5/7,5 | 8,1/8,4 | 9,5/9,3 | 10,8/10,3 | 12,4/10,9 |
| k ~ | 1.7 | 2.1 | 2.3 | 2.5 | 3 | 3.4 | 3.8 |
| Drill speed, rpm | - | - | - | - | - | - | - |
| Steel | 1800-2500 | 1800-2500 | 1800-2500 | 1800-2500 | 1800-2500 | 1000-1800 | 1000-1800 |
| Stainless steel | 1000-1500 | 1000-1500 | 1000-1500 | 1000-1500 | 1000-1500 | 600-1000 | 600-1000 |
| Max. torque, Nm | 1.5 | 2.8 | 3.8 | 4.7 | 6.9 | 10.4 | 16.9 |
| A | TX8 | TX10 | TX15 | TX20 | TX25 | TX25 | TX30 |
| L1 | 4.5 | 5 | 6 | 7 | 8 | 10 | 11 |
| For plate thickness | 0,7-1,9 | 0,7-2,25 | 0,7-2,4 | 1,75-3,0 | 1,75-4,4 | 1,75-5,25 | 2,0-6,0 |
