
1. DIN7991 inotora countersunk head design, countersunk head screw design kuitira kuti ikwanise kupenya pamusoro, haizobudiriri, kuwedzera kunaka. Panguva imwecheteyo, iyo hex inopa zvirinani torque kutamisa, kuderedza mukana wekutsvedza uye kukuvara. Kana iyo yakakwirira simba giredhi (kazhinji giredhi 10.9) yakagadzirwa nesimbi alloy inoshandiswa, ine yakanaka tensile uye shear kuramba. DIN7991 screws inoita kuti screws zvive nyore kuisa uye kuomesa, uye akakodzera maapplication panodiwa disassembly kakawanda.
2. Hexagon flat head screw DIN7991 inoshandiswa zvakanyanya muminda yakawanda, yakadai semotokari uye motokari itsva simba remunda, mauto emuchadenga wemauto, shipbuilding heavy industry field, medical equipment field, food machine field, electronic communication equipment field and wind power field.
| Product Name | DIN7991 Hex socket countersunk head screws |
| Material | Carbon simbi, Stainless simbi |
| Surface Finish | Yellow zinc, Blacked, Blue uye white zinc, Bleached |
| Color | Yero, Dema, Bhuruu Muchena, Muchena |
| Standard Number | DIN7991 |
| Giredhi | 4.8,8.8,10.9,12.9,A2-70,A4-70 |
| Diameter | M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 |
| Thread form | Shinda yakakora, shinda yepakati, Fine thread |
| Nzvimbo yakabva | Hebei, China |
| Brand | Muyi |
| Pack | Bhokisi+kadhibhodhi katoni+pallet |
| Chigadzirwa chacho chinogona kugadziriswa | |
| 1. DIN7991 inotora countersunk head design, countersunk head screw design kuitira kuti ikwanise kupenya pamusoro, haizobudiriri, kuwedzera kunaka. Panguva imwecheteyo, iyo hex inopa zvirinani torque kutamisa, kuderedza mukana wekutsvedza uye kukuvara. Kana iyo yakakwirira simba giredhi (kazhinji giredhi 10.9) yakagadzirwa nesimbi alloy inoshandiswa, ine yakanaka tensile uye shear kuramba. DIN7991 screws inoita kuti screws zvive nyore kuisa uye kuomesa, uye akakodzera maapplication panodiwa disassembly kakawanda. 2. Hexagon flat head screw DIN7991 inoshandiswa zvakanyanya muminda yakawanda, yakadai semotokari uye motokari itsva simba remunda, mauto emuchadenga wemauto, shipbuilding heavy industry field, medical equipment field, food machine field, electronic communication equipment field and wind power field. | |
| Thread Spec D | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
| P | thread pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| α | mari.(+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=nezita | 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=nezita | 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=nezita | 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 | |