BUMAX® stainless steel Taptite (DIN7500) Screws
| Hole sizes. torque and forces for Taptite | |||||||
|---|---|---|---|---|---|---|---|
| Material thickness | Dimensions | ||||||
| M3 | M4 | M5 | M6 | M8 | M10 | ||
| 0.1-1.5 | 2.70 | 3.65 | |||||
| 1.51-2.5 | 2.80 | 3.65 | 4.60 | 5.5 | |||
| 2.51-4 | 2.80 | 3.70 | 4.70 | 5.6 | 7.5 | 9.3 | |
| 4.01-6.5 | 2.85 | 3.75 | 4.70 | 5.6 | 7.5 | 9.3 | |
| 6.51-10 | 3.80 | 4.75 | 5.65 | 7.6 | 9.4 | ||
| 10.01-15 | 5.7 | 7.7 | 9.5 | ||||
| 15.01-20 | 7.7 | 9.6 | |||||
| Breaking torque in Nm min | BUMAX® hard | 4.5 | 7.9 | 13 | 20 | 30 | 52 |
| Standard TT | 2.2 | 3.8 | 7.8 | 13 | 32 | 45 | |
| Tightening torque Mv i Nm | BUMAX® hard | 1.3 | 3 | 6 | 12 | 25 | 49 |
| Standard TT | 1.2 | 2.7 | 5.4 | 9.3 | 22 | 40 | |
The Mv recommendations refer to burr-free surfaces lubricated with a good quality lubricant.
The Mv-recommendations are calculated assuming a coefficient of friction of 0.16 that requires a good-quality lubricant.