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Zomangira zomangira zomangira zopingasa zomangira
| Mafotokozedwe a ulusi | ST2.2 | Chithunzi cha ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | Chithunzi cha ST9.5 | |||
| P | Phokoso | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | ||
| a | Max | 1.6 | 2.2 | 2.6 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 | ||
| dk | Max | 3.8 | 5.5 | 7.3 | 8.4 | 9.3 | 10.3 | 11.3 | 15.8 | 18.3 | ||
| Min | 3.5 | 5.2 | 6.9 | 8 | 8.9 | 9.9 | 10.9 | 15.4 | 17.8 | |||
| k | Max | 1.1 | 1.7 | 2.35 | 2.6 | 2.8 | 3 | 3.15 | 4.65 | 5.25 | ||
| Nambala ya Slot | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | |||
| M1 | Cruciform | 1.9 | 3.2 | 4.4 | 4.6 | 5.2 | 6.6 | 6.8 | 8.9 | 10 | ||
| M2 | Zigzag slot | 2 | 3 | 4.1 | 4.4 | 4.9 | 6.3 | 6.6 | 8.8 | 9.8 | ||
| ndi | Mtengo wolozera | Mtundu C | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | 7.5 | 8 | |
| Mtundu F | 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 | |||
| Mtundu R | / | / | 2.7 | 3.2 | 3.6 | 4.3 | 5 | |||||
Momwe mungasankhire zomangira zoyenera zodziwombera nokha
1. Sankhani potengera zinthu: Sankhani zomangira zosiyanasiyana potengera zinthu zomwe zikuyenera kukhomeredwamo. Mwachitsanzo, pazida zolimba, sankhani zomangira zomwe zili ndi mphamvu zambiri, kutalika koyenera ndi mainchesi ake.
2. Malingana ndi kusankha kwa ulusi: Zomangira zodzikongoletsera nthawi zambiri zimakhala ndi mitundu iwiri: ulusi wolimba ndi ulusi wabwino, ndipo ulusi wosiyana nthawi zambiri umakhala woyenera zipangizo zosiyanasiyana.
3. Sankhani molingana ndi mawonekedwe a mutu: The pentagonal head self tapping screw ndi yolimba kuposa sikona wamba wozungulira mutu self tapping, koma mtengo wake ndi wokwera.