
1. DIN7991 adopts design sirah countersunk, design screw sirah countersunk meh bisa siram dina beungeut cai, moal nonjol, ngaronjatkeun estetika. Dina waktos anu sami, hex nyayogikeun transfer torsi anu langkung saé, ngirangan kamungkinan ngageser sareng karusakan. Nalika kelas kakuatan tinggi (biasana 10,9 kelas) dijieunna tina baja alloy dipaké, éta boga tensile alus sarta lalawanan geser. DIN7991 screws nyieun screws gampang dipasang na tighten, sarta cocog pikeun aplikasi dimana sering disassembly diperlukeun.
2. Sagi genep sirah datar screw DIN7991 ieu loba dipaké dina loba widang, kayaning mobil jeung mobil widang énergi anyar, widang aerospace militér, shipbuilding widang industri beurat, widang alat-alat médis, widang mesin dahareun, widang alat komunikasi éléktronik jeung widang kakuatan angin.
| Ngaran produk | DIN7991 Hex stop kontak countersunk screws sirah |
| Bahan | Baja karbon, Baja tahan karat |
| Surface Finish | Séng konéng, Hideung, Seng biru jeung bodas, Bleached |
| Warna | Konéng, Hideung, Biru Bodas, Bodas |
| Nomer Standar | DIN7991 |
| Kelas | 4.8, 8.8, 10.9, 12.9, A2-70, A4-70 |
| diaméterna | M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 |
| Bentuk benang | Benang kasar, Benang sedeng, Benang halus |
| Tempat asal | Hebei, Cina |
| merek | Muyi |
| Pek | Kotak + kardus karton + palet |
| produk nu bisa ngaropéa | |
| 1. DIN7991 adopts design sirah countersunk, design screw sirah countersunk meh bisa siram dina beungeut cai, moal nonjol, ngaronjatkeun estetika. Dina waktos anu sami, hex nyayogikeun transfer torsi anu langkung saé, ngirangan kamungkinan ngageser sareng karusakan. Nalika kelas kakuatan tinggi (biasana 10,9 kelas) dijieunna tina baja alloy dipaké, éta boga tensile alus sarta lalawanan geser. DIN7991 screws nyieun screws gampang dipasang na tighten, sarta cocog pikeun aplikasi dimana sering disassembly diperlukeun. 2. Sagi genep sirah datar screw DIN7991 ieu loba dipaké dina loba widang, kayaning mobil jeung mobil widang énergi anyar, widang aerospace militér, shipbuilding widang industri beurat, widang alat-alat médis, widang mesin dahareun, widang alat komunikasi éléktronik jeung widang kakuatan angin. | |
| Spésifikasi Thread D | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
| P | pitch thread | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| α | tol.(+2) | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 60° | 60° |
| b | L≤125 | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 |
| 125<L ≤ 200 | / | / | / | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | |
| L> 200 | / | / | / | / | / | 45 | 49 | 53 | 57 | 61 | 65 | 69 | 73 | |
| dk | max = nominal | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 27 | 30 | 33 | 36 | 36 | 39 |
| min | 5.7 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 35.38 | 38.38 | |
| ds | max = nominal | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| min | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | |
| e | min | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 11.43 | 13.72 | 13.72 | 16 | 16 |
| k | max | 1.7 | 2.3 | 2.8 | 3.3 | 4.4 | 5.5 | 6.5 | 7 | 7.5 | 8 | 8.5 | 13.1 | 14 |
| s | nominal | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 10 | 12 | 12 | 14 | 14 |
| min | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 10.025 | 12.032 | 12.032 | 14.032 | 14.032 | |
| max | 2.1 | 2.6 | 3.1 | 4.12 | 5.14 | 6.14 | 8.175 | 10.175 | 10.175 | 12.212 | 12.212 | 14.212 | 14.212 | |
| t | max = nominal | 1.2 | 1.8 | 2.3 | 2.5 | 3.5 | 4.4 | 4.6 | 4.8 | 5.3 | 5.5 | 5.9 | 8.8 | 10.3 |
| min | 0.95 | 1.55 | 2.05 | 2.25 | 3.2 | 4.1 | 4.3 | 4.5 | 5 | 5.2 | 5.6 | 8.44 | 9.87 | |