Description
Countersunk Head Tap-Fix screws - PoziDriv®
- DIN7500 M
- For metals
- Three-lobed threadform
- A2 stainless Available (Call or Email for prices)
Materials and Finishes
Case hardened steel/Zinc & clear de-embrittled
Note: Due to the fact that fastening applications differ greatly, the below information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information
| d | M2.5 | M3 | M3.5 | M4 | M5 | M6 |
| D | 4.7 | 5.6 | 6.5 | 7.5 | 9.2 | 11 |
| H | 1.5 | 1.65 | 1.93 | 2.2 | 2.5 | 3 |
| Recess - min | 1.22 | 1.48 | 1.34 | 1.6 | 2.05 | 2.46 |
| Penetration - max | 1.47 | 1.73 | 1.8 | 2.06 | 2.51 | 2.92 |
| Recess No. | 1 | 1 | 2 | 2 | 2 | 3 |
| Thread & Strength Standards | Torsional Strength Min Nm | |||||
| Screw size Dia & Pitch | Body Diameter | Point Dia. Cp (Max) | ||||
| C | D | |||||
| MIN | MAX | MIN | MAX | |||
| M2 x 0.4 | 2.06 | 1.98 | 1.98 | 1.90 | 1.67 | 0.5 |
| M2.5 x 0.45 | 2.57 | 2.48 | 2.48 | 2.39 | 2.13 | 1.0 |
| M3 x 0.5 | 3.07 | 2.98 | 2.97 | 2.88 | 2.58 | 1.5 |
| M3.5 x 0.6 | 3.58 | 3.48 | 3.46 | 3.36 | 3.00 | 2.3 |
| M4 x 0.7 | 4.08 | 3.98 | 3.94 | 3.84 | 3.40 | 3.4 |
| M5 x 0.8 | 5.09 | 4.98 | 4.93 | 4.82 | 4.31 | 7.1 |
| M6 x 1 | 6.10 | 5.97 | 5.90 | 5.77 | 5.13 | 12 |
| M8 x 1.25 | 8.13 | 7.97 | 7.88 | 7.72 | 6.91 | 29 |
| M10 x 1.5 | 10.15 | 9.97 | 9.85 | 9.67 | 8.69 | 59 |
Suggested Pilot Hole Sizes | ||||||||||
| Material | S | A | S | A | S | A | S | A | S | A |
| Thickness | 0.5 - 2 | 1.5 - 3.5 | 3 - 6.5 | 6 - 8 | 8 - 12 | |||||
| Dia & Pitch | ||||||||||
| M2 x 0.4 | 1.75 | 1.7 | 1.8 | 1.75 | - | - | - | - | - | - |
| M2.5 x 0.45 | 2.25 | 2.2 | 2.3 | 2.25 | 2.35 | 2.3 | - | - | - | - |
| M3 x 0.5 | 2.7 | 2.6 | 2.75 | 2.7 | 2.8 | 2.75 | - | - | - | - |
| M3.5 x 0.6 | 3.1 | 3.1 | 3.2 | 3.1 | 3.2 | 3.2 | 3.25 | 3.2 | 3.3 | 3.25 |
| M4 x 0.7 | 3.6 | - | 3.7 | 3.6 | 3.75 | 3.7 | 3.75 | 3.7 | 3.8 | 3.75 |
| M5 x 0.8 | - | - | 4.5 | 4.5 | 4,6 | 4.5 | 4.7 | 4.6 | 4.7 | 4.7 |
| M6 x 1 | - | - | 5.4 | 5.4 | 5.5 | 5.4 | 5.6 | 5.5 | 5.7 | 5.6 |
| M8 x 1.25 | - | - | 7.3 | 7.3 | 7.4 | 7.3 | 7.5 | 7.4 | 7.6 | 7.5 |
| M10 x 1.5 | - | - | - | - | 9.25 | 9.2 | 9.3 | 9.25 | 9.4 | 9.3 |
