China Stainless Steel SS304 316 A2-70 A4-80 DIN 7504 Self-Drilling Screws/Sheet Metal Screws/ Self-Tapping Screws/ Machine Screw/Chipboard Screw/ Drywall Screw, Find details about China Screw, Self Drilling Screw from Stainless Steel SS304 316 A2-70 A4-80 DIN 7504 Self-Drilling Screws/Sheet Metal Screws/ Self-Tapping Screws/ Machine Screw/Chipboard Screw/ Drywall Screw
Jiaxing Goshen Hardware CO., LTD | ||
Item | SS 304/316 DIN7504 Self Drilling Screws | Tip: |
Material | SS304,SS316 | We have all kinds of fasteners, like Bolts, Screws, Nuts, Washer, Anchors, etc. We can produce according to drawings or samples. Customization is available. |
Standard | DIN7504 | |
Surface treatment | Polish | |
Performance | A2-70,A4-80 | |
Size | ST2.9-ST6.3 | |
OEM | YES |
DIN 7504 (O) - Cross recessed countersunk head drilling screws with tapping screw thread | |||||||
Screw Thread d | P | dk | k | dp | Drilling range (thickness) | Socket No. | |
Pitch | max | min | max | ||||
ST2.9 | 1.1 | 5.5 | 5.2 | 1.7 | 2.3 | 0.7~1.9 | 1 |
ST3.5 | 1.3 | 7.3 | 6.9 | 2.35 | 2.8 | 0.7~2.25 | 2 |
ST4.2 | 1.4 | 8.4 | 8 | 2.6 | 3.6 | 1.75~3 | 2 |
ST4.8 | 1.6 | 9.3 | 8.9 | 2.8 | 4.1 | 1.75~4.4 | 2 |
ST5.5 | 1.8 | 10.3 | 9.9 | 3 | 4.8 | 1.75~5.25 | 3 |
ST6.3 | 1.8 | 11.3 | 10.9 | 3.15 | 5.8 | 2~6 | 3 |