
1. DIN7991 antar countersunk kichwa kubuni, countersunk kichwa screw design ili iweze flush juu ya uso, si jitokeza, kuongeza aesthetic. Wakati huo huo, hex hutoa uhamisho bora wa torque, kupunguza uwezekano wa kupiga sliding na uharibifu. Wakati daraja la juu la nguvu (kawaida daraja la 10.9) lililofanywa kwa chuma cha alloy linatumiwa, lina upinzani mzuri wa kuvuta na kukata. skrubu za DIN7991 hurahisisha kusakinisha na kukaza skrubu, na zinafaa kwa programu ambapo disassembly ya mara kwa mara inahitajika.
2. Hexagon flat head screw DIN7991 inatumika sana katika nyanja nyingi, kama vile magari na uwanja wa nishati mpya ya gari, uwanja wa anga ya kijeshi, uwanja wa tasnia nzito ya ujenzi wa meli, uwanja wa vifaa vya matibabu, uwanja wa mashine za chakula, uwanja wa vifaa vya mawasiliano ya elektroniki na uwanja wa nguvu ya upepo.
| Jina la Bidhaa | DIN7991 skurubu za soketi za hex zilizozama za kichwa |
| Nyenzo | Chuma cha kaboni, Chuma cha pua |
| Uso Maliza | Zinki ya manjano, Nyeusi, Bluu na zinki nyeupe, Imepauka |
| Rangi | Njano, Nyeusi, Bluu Nyeupe, Nyeupe |
| Nambari ya Kawaida | DIN7991 |
| Daraja | 4.8,8.8,10.9,12.9,A2-70,A4-70 |
| Kipenyo | M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 |
| Fomu ya thread | Uzi mwembamba, Uzi wa kati, Uzi mwembamba |
| Mahali pa asili | Hebei, Uchina |
| Chapa | Muyi |
| Pakiti | Sanduku+katoni+katoni+pallet |
| Bidhaa inaweza kubinafsishwa | |
| 1. DIN7991 antar countersunk kichwa kubuni, countersunk kichwa screw design ili iweze flush juu ya uso, si jitokeza, kuongeza aesthetic. Wakati huo huo, hex hutoa uhamisho bora wa torque, kupunguza uwezekano wa kupiga sliding na uharibifu. Wakati daraja la juu la nguvu (kawaida daraja la 10.9) lililofanywa kwa chuma cha alloy linatumiwa, lina upinzani mzuri wa kuvuta na kukata. skrubu za DIN7991 hurahisisha kusakinisha na kukaza skrubu, na zinafaa kwa programu ambapo disassembly ya mara kwa mara inahitajika. 2. Hexagon flat head screw DIN7991 inatumika sana katika nyanja nyingi, kama vile magari na uwanja wa nishati mpya ya gari, uwanja wa anga ya kijeshi, uwanja wa tasnia nzito ya ujenzi wa meli, uwanja wa vifaa vya matibabu, uwanja wa mashine za chakula, uwanja wa vifaa vya mawasiliano ya elektroniki na uwanja wa nguvu ya upepo. | |
| Maalum ya Thread D | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
| P | lami ya 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=nominella | 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=nominella | 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 | jina | 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=nominella | 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 | |