Chikururu
Cross galvanized flat head self tapping
| Thread specifications d | ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ||
| P | Pitch | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| a | Max | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| dk | Max | 3.7 | 5.3 | 6.64 | 7.64 | 9.14 | 10.57 | 11.57 | |
| Min | 3.4 | 5 | 6.28 | 7.28 | 8.78 | 10.14 | 11.14 | ||
| k | Max | 1.6 | 2.4 | 2.6 | 3.1 | 3.7 | 4 | 4.6 | |
| Min | 1.4 | 2.15 | 2.35 | 2.8 | 3.4 | 3.7 | 4.3 | ||
| dc | h15 | Max | 5 | 7 | 8 | 9 | 10 | 12.5 | 14 |
| Min | 4.52 | 6.42 | 7.42 | 8.42 | 9.42 | 11.8 | 13.3 | ||
| s | Min | 0.3 | 0.5 | 0.8 | 0.8 | 0.8 | 1 | 1 | |
| uye | Ctype | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | |
| F, FTtype | 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | ||
| Slot Number | 0 | 1 | 2 | 2 | 2 | 3 | 3 | ||
| M | ≈ | 1 | 3 | 3.9 | 4.4 | 4.9 | 6.4 | 6.9 | |
| Isa hudzamu/hukuru | 0.85 | 1.4 | 1.4 | 1.9 | 2.4 | 2.6 | 3.1 | ||
| Isa hudzamu/hushoma | 1.2 | 1.8 | 1.9 | 2.4 | 2.9 | 3.1 | 3.6 | ||
Cross galvanized flat head self tapping screw is mechanical yekubatanidza chikamu neanotevera mabasa uye maitiro:
1. Kubata kwakanaka kwekusimbisa: Muchinjikwa wakakura flat musoro self tapping screws inogadzirwa nepamusoro-simba zvinhu, izvo zvinogona kunyatso simbisa zvikamu zvakasiyana pamwe chete uye kuchengetedza kugadzikana kwemidziyo.
2. Zviri nyore kuparadzanisa: Nekugadzirwa kwayo kwakakosha kwemusoro, inogona kusimbiswa nyore nyore kana kuparadzaniswa uchishandisa screwdriver, kuchengetedza danho rekutanga punching, zvichiita kuti zvive nyore kushandisa uye kuchengetedza nguva.
3. Kuramba kwakasimba kwecorrosion: Muchinjikwa wakaumbwa flat musoro self tapping screws kazhinji anogadzirwa nemhando yepamusoro zvinhu, uye nzvimbo yacho inobatwa nemakemikari kuti iite dema galvanized oxide film, ine ngura yakanaka uye anti-corrosion mhedzisiro uye inogona kushandiswa kwenguva yakareba munzvimbo dzakaoma.
4. Chimiro chakareruka: chinoumbwa nemusoro, shaft, uye zvikamu zvakasungwa, zviri nyore kugadzira nekushandisa.
5. Zvakawanda zvinoshanda: Iine huwandu hwakawanda hwekushandisa mumichina michina, zvivakwa zvekuvaka, kugadzira fenicha, zvigadzirwa zvemagetsi, aerospace uye mamwe minda.
6. Simba guru: Muchinjikwa wakatsetseka wakaumbwa musoro unobvumira muchinjikwa wakaumbwa negotsi self tapping screw kuti ibatane zviri nani nezvinhu zvepasi, zvichiita kuti kuwirirana kugadzikane uye kuvimbika, nehukuru hwekutakura mutoro, uye zviri nani kugadzikana uye shear resistance pane zvechinyakare screws.
7. Kugadzikana kwepamusoro: Musoro wakatsetseka wakaumbwa unoita kuti kubatana kugadzikane uye kwakavimbika, kuderedza mukana wekusunungura.