TAPPING SCREW – PAN HEAD
DIN 7981 / ASME B18.6.3
Thread Type : Thread forming tapping screws are generally for application in materials where large internal stresses are permissible or desirable, to increase resistance to loosening.
| CODE | SPEC (DIA) | SPEC (LENGTH) | HEAD DIA | HEAD HEIGHT | DRIVE | MATERIAL | FINISHING |
| STTSP | #0 | 1/4″ / 3/8″ / 1/2″ | 0.104-0.116 | 0.036-0.044 | phillips / torx | Steel / Stainless Steel / Brass | Zinc Clear Trivalent Cr3+ / Passivated / Black Zinc Plated / Green Zinc Plated |
| STTSP | #2 | 1/4″ / 3/8″ / 1/2″/ 3/4″ / 1″ | 0.155-0.167 | 0.053-0.062 | phillips / torx | ||
| STTSP | #4 | 1/4″ / 3/8″ / 1/2″ / 5/8″ / 3/4″ / 7/8“/ 1″ | 0.205-0.219 | 0.070-0.080 | phillips / torx | ||
| STTSP | #6 | 1/4″ / 3/8″ / 1/2″ / 5/8″ / 3/4″ / 7/8″ / 1″ / 1-1/4″ / 1-1/2″ / 1-3/4″ / 2″ / 2-1/2″ | 0.256-0.270 | 0.087-0.097 | phillips / torx | ||
| STTSP | #8 | 1/4″ / 3/8″ / 1/2″ / 5/8″ / 3/4″ / 7/8″ / 1″ / 1-1/4″ / 1-1/2″ / 1-3/4″ / 2″ / 2-1/2″ / 3″ | 0.306-0.322 | 0.105-0.115 | phillips / torx | ||
| STTSP | #10 | 1/4″ / 3/8″ / 1/2″ / 5/8″ / 3/4″ / 7/8″ / 1″ / 1-1/4″ / 1-1/2″ / 1-3/4″ / 2″ / 2-1/4″ / 2-1/2″ / 3″ | 0.357-0.373 | 0.122-0.133 | phillips / torx | ||
| STTSP | #12 | 1/2″ / 5/8″ / 3/4″ / 7/8″ / 1″ / 1-1/4″ / 1-1/2″ / 1-3/4″ / 2″ / 2-1/2″ / 3″ | 0.407-0.425 | 0.139-0.151 | phillips / torx | ||
| STTSP | #14 | 1/2″ / 5/8″ / 3/4″ / 7/8″ / 1″ / 1-1/4″ / 1-1/2″ / 1-3/4″ / 2″ / 2-1/2″ / 3″ | 0.473-0.492 | 0.162-0.175 | phillips / torx | ||
| STTSP | M2.2 | 4.5/6.5/9.5/13/16 | 3.9-4.2 | 1.55-1.8 | phillips / torx | Steel / Stainless Steel / Brass | Zinc Clear Trivalent Cr3+ / Passivated / Black Zinc Plated / Green Zinc Plated |
| STTSP | M2.9 | 6.5/9.5/13/16/19 | 5.3-5.6 | 1.95-2.2 | phillips / torx | ||
| STTSP | M3.5 | 9.5/13/16/19/22/25 | 6.54-6.9 | 2.35-2.6 | phillips / torx | ||
| STTSP | M3.9 | 9.5/13/16/19/22/25 | 7.14-7.5 | 2.55-2.8 | phillips / torx | ||
| STTSP | M4.2 | 9.5/13/16/19/22/25/32 | 7.84-8.2 | 2.75-3.05 | phillips / torx | ||
| STTSP | M4.8 | 9.5/13/16/19/22/25/32/38 | 9.14-9.5 | 3.25-3.55 | phillips / torx | ||
| STTSP | M5.5 | 13/16/19/22/25/32/38 | 10.37-10.8 | 3.65-3.95 | phillips / torx |