DONGSHAO e u mema hore u etele feme ea rona ho reka tse ncha ka ho fetisisa, tse rekoang ka ho fetisisa, tse theko e tlaase, le tsa boleng bo holimo tsa Fine-Pitch Hexagon Head Screws. Re labalabela ho sebetsa le uena.
Hebei Dongshao Fastener Manufacturing Co., Ltd. ke morekisi ea tsebahalang le moetsi oa li-screws tsa hlooho tsa Fine-pitch hexagon naheng ea China.
Li-Fine-pitch hexagon head screws ke ntho e tloaelehileng ea fastening, e khetholloang ka meno a matle a khoele, ke hore, sekontiri se senyenyane, se etsang hore bolt e tiee haholoanyane ha e phunyeletsa ka har'a lesoba la screw, ho ntlafatsa ho tšepahala le ho tiisa khokahanyo. Ho phaella moo, moralo o tletseng khoele o boetse o eketsa ho tšoara bolt, ho thusa ho thibela ho lokoloha.
Likarolo tsa sehlahisoa sa Fine-pitch hexagon head screws hangata li kenyelletsa sehlopha sa A le Sehlopha sa B, phapang e kholo lipakeng tsa tse peli ke matla a tlhahiso le matla a ho tsitsa a thepa. Matla a tlhahiso ea thepa ea liboutu tsa Sehlopha sa A a phahame 'me a loketse liketsahalo tse hlokang matla a ho jara a phahameng, athe matla a tlhahiso ea thepa ea liboutu tsa Sehlopha sa B a le tlase ebile a loketse likhokahano tse akaretsang.
Li-fine-pitch hexagon head screws li sebelisoa haholo liketsahalong tse fapaneng ka lebaka la litšobotsi tsa tsona. Li atisa ho sebelisoa ha ho bokana le ho lokisa lisebelisoa tsa mechine, tse kang likoloi, lifofane, thepa ea fektheri, joalo-joalo Ka lebaka la mokhoa oa eona o motle oa leino, e boetse e sebelisoa ka tloaelo ho likopo tse hlokang li-connections tse phahameng, tse kang lisebelisoa tsa elektronike le lisebelisoa tsa bongaka.
Ha li sebelisoa, li-fine-pitch hexagon head screws hangata li sebelisoa hammoho le li-washer ho ntlafatsa ho tiea le botsitso ba khokahanyo. Ho phaella moo, e le ho thibela bolt hore e se ke ea lokoloha, mekhoa e sa tšoaneng e khahlanong le ho lokoloha e ka boela ea sebelisoa, e kang tšebeliso ea linate tsa senotlolo, li-washer tsa selemo, joalo-joalo.
Moralo le ts'ebeliso ea li-Fine-pitch hexagon head screws li lokela ho latela maemo le litlhaloso tse amehang tsa naha. Kwa China, maemo a Fine-pitch hexagon head screws ke GB/T5786-2000, e lekanang le maemo a machaba a ISO8676:1999. Ho ea ka tekanyetso ena, mefuta e fapaneng ea "Fine-pitch hexagon head screws" ke M16 ~ M64, litekanyetso tsa ts'ebetso li kenyelletsa 5.6, 8.8, 10.9, joalo-joalo, 'me thepa e ka ba tšepe ea carbon.
| (mm) | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M33 | M36 | M39 | M42 | M45 | M48 | M52 | M56 | M60 | M64 |
| P | 1 | 1|1.25 | 1|1.25|1.5 | 1|1.5 | 1|1.5 | 1.5|2 | 1.5|2 | 1.5|2 | 1.5|2 | 1.5|2 | 1.5|2 | 1.5|2 | 1.5|2|3 | 1.5|2|3 | 1.5|2|3|4 | 1.5|2|314 | 1.5|2|3|4 | 1.5|2|3|4 | 1.5|2|3|4 | 1.5|2|3|4 | 1.5|2|3|4 |
| da max | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | 45.6 | 48.6 | 52.6 | 56.6 | 63 | 67 | 71 |
| e min | 14.38 | 17.77 | 20.03 | 23.36 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 |
| k max | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.715 | 12.715 | 14.215 | 15.215 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | 28.42 | 30.42 | 33.5 | 35.5 | 38.5 | 40.5 |
| k min | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.285 | 12.285 | 13.785 | 14.785 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | 25.58 | 27.58 | 29.58 | 32.5 | 34.5 | 37.5 | 39.5 |
| r min | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1.2 | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 |
| s max | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 |
| s min | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 |