
1. DIN7991 waxay qabataa naqshadaynta madaxa countersunk, naqshadaynta madaxa madaxa countersunk si ay u noqoto mid dusha sare ah, ma soo bixi doonto, kordhiso bilicda. Isla mar ahaantaana, hexku wuxuu bixiyaa wareejinta qulqulka wanaagsan, hoos u dhigista suurtagalnimada silbashada iyo dhaawaca. Marka darajada xoogga sare (sida caadiga ah 10.9 darajo) ee ka samaysan birta daawaha la isticmaalo, waxay leedahay adkaysi wanaagsan iyo iska caabin dhogorta. DIN7991 screws waxay fududeeyaan rakibidda iyo adkaynta furayaasha, waxayna ku habboon yihiin codsiyada meesha kala dirid joogto ah looga baahan yahay
2. Hexagon flat head screw DIN7991 waxaa si weyn loogu isticmaalaa meelo badan, sida baabuurta iyo baabuurta beerta tamarta cusub, garoonka diyaaradaha military, maraakiibta dhismaha culus garoonka warshadaha, garoonka qalabka caafimaadka, garoonka mashiinka cuntada, garoonka qalabka isgaarsiinta elektarooniga ah iyo garoonka tamarta dabaysha.
| Magaca Alaabta | DIN7991 Hex socket countersunk boolasha madaxa |
| Qalab | Birta kaarboonka, birta aan la taaban karin |
| Dhamaystir dusha sare | Zinc Jaalle ah, Madoobaatay, Zinc buluug iyo caddaan ah, La miiray |
| Midabka | Jaalle, Madow, Caddaan Buluug ah, Caddaan |
| Tirada caadiga ah | DIN7991 |
| Darajo | 4.8,8.8,10.9,12.9,A2-70,A4-70 |
| Dhexroorka | M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 |
| Qaabka dunta | Dul aan dhab ahayn, dun dhexdhexaad ah, dun fiican |
| Meesha asal ahaan | Hebei, Shiinaha |
| Summada | Muyi |
| Xirmo | Sanduuqa+ kartoonnada+ kartoonnada |
| Alaabta waa la habeyn karaa | |
| 1. DIN7991 waxay qabataa naqshadaynta madaxa countersunk, naqshadaynta madaxa madaxa countersunk si ay u noqoto mid dusha sare ah, ma soo bixi doonto, kordhiso bilicda. Isla mar ahaantaana, hexku wuxuu bixiyaa wareejinta qulqulka wanaagsan, hoos u dhigista suurtagalnimada silbashada iyo dhaawaca. Marka darajada xoogga sare (sida caadiga ah 10.9 darajo) ee ka samaysan birta daawaha la isticmaalo, waxay leedahay adkaysi wanaagsan iyo iska caabin dhogorta. DIN7991 screws waxay fududeeyaan rakibidda iyo adkaynta furayaasha, waxayna ku habboon yihiin codsiyada meesha kala dirid joogto ah looga baahan yahay 2. Hexagon flat head screw DIN7991 waxaa si weyn loogu isticmaalaa meelo badan, sida baabuurta iyo baabuurta beerta tamarta cusub, garoonka diyaaradaha military, maraakiibta dhismaha culus garoonka warshadaha, garoonka qalabka caafimaadka, garoonka mashiinka cuntada, garoonka qalabka isgaarsiinta elektarooniga ah iyo garoonka tamarta dabaysha. | |
| Dulsaarka Spec D | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
| P | dunta dunta | 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 ML ≤ 200 | / | / | / | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | |
| L >200 | / | / | / | / | / | 45 | 49 | 53 | 57 | 61 | 65 | 69 | 73 | |
| dk | max= magac ahaan | 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= magac ahaan | 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 | magac ahaan | 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= magac ahaan | 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 | |