DIN7981 Cross Recessed Pan Head Self-Tapping Screw
12 month ago
DIN7981 Cross Recessed Pan Head Self-Tapping Screws
From the quality control of incoming raw materials, process control of production lines, and finished product screening control, we ensure that 99% of products meet technical requirements. All our products are subjected to strict test and inspection in each process by the workers and QC personnel periodically,starting form the raw ,aterial deliveres to the factory. The products shall be tested and inspected to be qualified before they are passed down to the next process.
| d | P | dk | k | Slot number | ||
| max | min | max | min | |||
| ST2.2 | 0.8 | 4 | 3.7 | 1.6 | 1.4 | 0# |
| ST2.9 | 1.1 | 5.6 | 5.3 | 2.4 | 2.15 | 1# |
| ST3.5 | 1.3 | 7 | 6.64 | 2.6 | 2.35 | 2# |
| ST4.2 | 1.4 | 8 | 7.64 | 3.1 | 2.8 | |
| ST4.8 | 1.6 | 9.5 | 9.14 | 3.7 | 3.4 | |
| ST5.5 | 1.8 | 11 | 10.57 | 4 | 3.7 | 3# |
| ST6.3 | 1.8 | 12 | 11.57 | 4.6 | 4.3 | |
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Main Product:
Bolts and nuts,
Machine Screws,
Self-tapping screws,
Threaded Rods and Studs,
Lock Washers,
Anchors
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