Dịka otu n'ime ndị nrụpụta ọkachamara, DONGSHAO ga-achọ ịnye gị Hex Bolt dị elu. Na anyị ga-enye gị kacha mma mgbe-ire ọrụ na nnyefe n'oge.
Ndị na-emepụta DONGSHAO na China na-enye ngwaahịa dị elu, ị na-anabata ịzụta Hex Bolt dị elu nke ọma na ọnụ ahịa dị mma.
Ihe mkpuchi isi hexagon nke ụlọ ọrụ rụpụtara nwere ihe dị iche iche na ọgwụgwọ elu; mgbochi corrosion; Nnukwu ike mgbochi rụrụ arụ, na ọrụ nke ịhụ nkwụsi ike nke njikọ; Ngwaahịa anyị nwere uru ọnụahịa dị mma, nwere ike izute gburugburu na mkpa dị iche iche; Ngwa bụ isi nke hexagon isi bolts bụ ebe a na-ewu ihe, n'ichepụta n'ibu na injinia nchara.
(mm) | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M36 | M42 | M48 |
P | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 | 4.5 | 5 |
s max | 5.5 | 7 | 8 | 10 | 14 | 17 | 19 | 22 | 24 | 27 | 30 | 32 | 36 | 41 | 46 | 55 | 65 | 75 |
s min | 5.34 | 6.8 | 7.8 | 9.8 | 13.76 | 16.76 | 18.72 | 21.72 | 23.72 | 26.72 | 29.72 | 31.66 | 35.66 | 40.66 | 45.66 | 54.6 | 64.6 | 74.6 |
k max | 2.2 | 3 | 3.74 | 4.24 | 5.74 | 7.29 | 8.29 | 9.29 | 10.29 | 12.35 | 13.35 | 14.35 | 15.35 | 17.35 | 19.42 | 23.42 | 26.42 | 30.42 |
k min | 1.8 | 2.6 | 3.26 | 3.76 | 5.26 | 6.71 | 7.71 | 8.71 | 9.71 | 11.65 | 12.65 | 13.65 | 14.65 | 16.65 | 18.58 | 22.58 | 25.58 | 29.58 |
r min | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 1 | 1 | 1 | 1 | 1 | 1 | 1.5 | 1.5 | 1.5 |
na min | 6.3 | 8.1 | 9.2 | 11.5 | 16.2 | 19.6 | 21.9 | 25.4 | 27.7 | 31.2 | 34.6 | 36.9 | 41.6 | 47.3 | 53.1 | 63.5 | 75 | 86.5 |
ds max | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 36 | 42 | 48 |