Boltaichean flange DIN 6921 Clas 8.8 agus 10.9
Ainm nan toraidhean | BOLT HEX DIN 931/ISO4014 leth-shnàthainn |
Coitcheann | DIN, ASTM / ANSI JIS EN ISO, AS, GB |
Ìre | Ìre stàilinn: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A, A325, A490, |
Crìochnachadh | Sinc (Buidhe, Geal, Gorm, Dubh), Hop Dip Galvanized (HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated |
Pròiseas Riochdachaidh | M2-M24: Fuar-bhrothaireachd, M24-M100 Teas-bhrothaireachd, Innealachadh agus CNC airson fastener gnàthaichte |
Ùine luaidhe airson bathar gnàthaichte | 30-60 latha, |

Snàthainn sgriubha | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | ||
P | Pàirce | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | |
b | L≤125 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 18 | 20 | 22 | 26 | 30 | |
125 <L≤200 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 24 | 26 | 28 | 32 | 36 | ||
L>200 | 28 | 29 | 30 | 31 | 32 | 33 | 35 | 37 | 39 | 41 | 45 | 49 | ||
c | as àirde | 0.25 | 0.25 | 0.25 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | |
mionaid | 0.1 | 0.1 | 0.1 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | ||
da | as àirde | 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 7.8 | 9.2 | 11.2 | 13.7 | |
ds | meud ainmichte as motha = | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | |
Ìre A | mionaid | 1.46 | 1.86 | 2.36 | 2.86 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 9.78 | 11.73 | |
Ìre B | mionaid | 1.35 | 1.75 | 2.25 | 2.75 | 3.2 | 3.7 | 4.7 | 5.7 | 6.64 | 7.64 | 9.64 | 11.57 | |
dw | Ìre A | mionaid | 2.54 | 3.34 | 4.34 | 4.84 | 5.34 | 6.2 | 7.2 | 8.88 | 9.63 | 11.63 | 14.63 | 16.63 |
Ìre B | mionaid | 2.42 | 3.22 | 4.22 | 4.72 | 5.22 | 6.06 | 7.06 | 8.74 | 9.47 | 11.47 | 14.47 | 16.47 | |
e | Ìre A | mionaid | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 17.77 | 20.03 |
Ìre B | mionaid | 3.28 | 4.18 | 5.31 | 5.88 | 6.44 | 7.5 | 8.63 | 10.89 | 11.94 | 14.2 | 17.59 | 19.85 | |
L1 | as àirde | 0.6 | 0.8 | 1 | 1 | 1 | 1.2 | 1.2 | 1.4 | 1.4 | 2 | 2 | 3 | |
k | Meud Ainmeil | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.5 | |
Ìre A | as àirde | 1.225 | 1.525 | 1.825 | 2.125 | 2.525 | 2.925 | 3.65 | 4.15 | 4.95 | 5.45 | 6.58 | 7.68 | |
mionaid | 0.975 | 1.275 | 1.575 | 1.875 | 2.275 | 2.675 | 3.35 | 3.85 | 4.65 | 5.15 | 6.22 | 7.32 | ||
Ìre B | as àirde | 1.3 | 1.6 | 1.9 | 2.2 | 2.6 | 3 | 3.74 | 4.24 | 5.04 | 5.54 | 6.69 | 7.79 | |
mionaid | 0.9 | 1.2 | 1.5 | 1.8 | 2.2 | 2.6 | 3.26 | 3.76 | 4.56 | 5.06 | 6.11 | 7.21 | ||
k1 | Ìre A | mionaid | 0.68 | 0.89 | 1.1 | 1.31 | 1.59 | 1.87 | 2.35 | 2.7 | 3.26 | 3.61 | 4.35 | 5.12 |
Ìre B | mionaid | 0.63 | 0.84 | 1.05 | 1.26 | 1.54 | 1.82 | 2.28 | 2.63 | 3.19 | 3.54 | 4.28 | 5.05 | |
r | mionaid | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.25 | 0.4 | 0.4 | 0.6 | |
s | meud ainmichte as motha = | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 16 | 18 | |
Ìre A | mionaid | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 15.73 | 17.73 | |
Ìre B | mionaid | 2.9 | 3.7 | 4.7 | 5.2 | 5.7 | 6.64 | 7.64 | 9.64 | 10.57 | 12.57 | 15.57 | 17.57 | |
Fad an t-snàthainn b | - | - | - | - | - | - | - | - | - | - | - | - | ||
Snàthainn sgriubha | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | ||
P | Pàirce | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | |
b | L≤125 | 34 | 38 | 42 | 46 | 50 | 54 | 60 | 66 | 72 | - | - | - | |
125 <L≤200 | 40 | 44 | 48 | 52 | 56 | 60 | 66 | 72 | 78 | 84 | 90 | 96 | ||
L>200 | 53 | 57 | 61 | 65 | 69 | 73 | 79 | 85 | 91 | 97 | 103 | 109 | ||
c | as àirde | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | 1 | |
mionaid | 0.15 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | ||
da | as àirde | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | 45.6 | |
ds | meud ainmichte as motha = | 14 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | |
Ìre A | mionaid | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | - | - | - | - | - | - | |
Ìre B | mionaid | 13.57 | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | 41.38 | |
dw | Ìre A | mionaid | 19.64 | 22.49 | 25.34 | 28.19 | 31.71 | 33.61 | - | - | - | - | - | - |
Ìre B | mionaid | 19.15 | 22 | 24.85 | 27.7 | 31.35 | 33.25 | 38 | 42.75 | 46.55 | 51.11 | 55.86 | 59.95 | |
e | Ìre A | mionaid | 23.36 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 | - | - | - | - | - | - |
Ìre B | mionaid | 22.78 | 26.17 | 29.56 | 32.95 | 37.29 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | |
L1 | as àirde | 3 | 3 | 3 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 8 | |
k | Meud Ainmeil | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | 26 | |
Ìre A | as àirde | 8.98 | 10.18 | 11.715 | 12.715 | 14.215 | 15.215 | - | - | - | - | - | - | |
mionaid | 8.62 | 9.82 | 11.285 | 12.285 | 13.785 | 14.785 | - | - | - | - | - | - | ||
Ìre B | as àirde | 9.09 | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | |
mionaid | 8.51 | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | 25.58 | ||
k1 | Ìre A | mionaid | 6.03 | 6.87 | 7.9 | 8.6 | 9.65 | 10.35 | - | - | - | - | - | - |
Ìre B | mionaid | 5.96 | 6.8 | 7.81 | 8.51 | 9.56 | 10.26 | 11.66 | 12.8 | 14.41 | 15.46 | 17.21 | 17.91 | |
r | mionaid | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1.2 | |
s | meud ainmichte as motha = | 21 | 24 | 27 | 30 | 34 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | |
Ìre A | mionaid | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 | - | - | - | - | - | - | |
Ìre B | mionaid | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | |
Fad an t-snàthainn b | - | - | - | - | - | - | - | - | - | - |
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Snàthainn sgriubha | (M45) | M48 | (M52) | M56 | (M60) | M64 |
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P | Pàirce | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 |
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b | L≤125 | - | - | - | - | - | - |
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125 <L≤200 | 102 | 108 | 116 | - | - | - |
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L>200 | 115 | 121 | 129 | 137 | 145 | 153 |
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c | as àirde | 1 | 1 | 1 | 1 | 1 | 1 |
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mionaid | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
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da | as àirde | 48.6 | 52.6 | 56.6 | 63 | 67 | 71 |
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ds | meud ainmichte as motha = | 45 | 48 | 52 | 56 | 60 | 64 |
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Ìre A | mionaid | - | - | - | - | - | - |
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Ìre B | mionaid | 44.38 | 47.38 | 51.26 | 55.26 | 59.26 | 63.26 |
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dw | Ìre A | mionaid | - | - | - | - | - | - |
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Ìre B | mionaid | 64.7 | 69.45 | 74.2 | 78.66 | 83.41 | 88.16 |
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e | Ìre A | mionaid | - | - | - | - | - | - |
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Ìre B | mionaid | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 |
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L1 | as àirde | 8 | 10 | 10 | 12 | 12 | 13 |
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k | Meud Ainmeil | 28 | 30 | 33 | 35 | 38 | 40 |
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Ìre A | as àirde | - | - | - | - | - | - |
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mionaid | - | - | - | - | - | - |
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Ìre B | as àirde | 28.42 | 30.42 | 33.5 | 35.5 | 38.5 | 40.5 |
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mionaid | 27.58 | 29.58 | 32.5 | 34.5 | 37.5 | 39.5 |
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k1 | Ìre A | mionaid | - | - | - | - | - | - |
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Ìre B | mionaid | 19.31 | 20.71 | 22.75 | 24.15 | 26.25 | 27.65 |
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r | mionaid | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 |
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s | meud ainmichte as motha = | 70 | 75 | 80 | 85 | 90 | 95 |
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Ìre A | mionaid | - | - | - | - | - | - |
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Ìre B | mionaid | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 |
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Fad an t-snàthainn b | - | - | - | - | - | - |
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Feartan agus Buannachdan
'S e seòrsa de bholt flange heicseagach a th' ann an DIN 6921 a thathas a' cleachdadh gu cumanta ann an tagraidhean gnìomhachais is togail. Tha flange aig a' bholt seo a bhios ag obair mar inneal-nighe togte agus a chuidicheas le bhith a' sgaoileadh an luchd thairis air raon uachdar nas fharsainge. Tha ceann a' bholt sia-thaobhach ann an cumadh agus tha e furasta a theannachadh le bhith a' cleachdadh iuchair no socaid.
Tha am bolt seo air a chleachdadh gu farsaing ann an innealan, gnìomhachasan chàraichean, agus ann an togail, air sgàth a neart agus a sheasmhachd air leth. Tha e air a dhèanamh bho stuthan àrd-inbhe leithid stàilinn gun smal, titanium, agus stàilinn charboin, a bheir seachad strì fad-ùine an aghaidh caitheamh, creimeadh, agus meirg.
Tha boltaichean DIN 6921 air an dèanamh a rèir fulangas teann agus tha iad fo smachd càileachd teann gus dèanamh cinnteach gu bheil iad a’ coinneachadh ris na h-inbhean càileachd is coileanaidh as àirde. Tha na boltaichean seo rim faighinn ann an raon de mheudan, faid, agus crìochnaidhean gus freagairt air diofar thagraidhean agus riatanasan.
A bharrachd air sin, tha boltaichean DIN 6921 a’ cumail ri inbhean gnìomhachais teann, nam measg inbhean DIN (Deutsches Institut für Normung) agus ISO (Buidheann Eadar-nàiseanta airson Inbheanachadh). Tha iad cuideachd air an deuchainn airson an cruas, an neart tensile, agus an cruinneas tomhasach mus tèid an leigeil ma sgaoil airson an reic. Tha na factaran sin uile a’ cur ri càileachd sàr-mhath agus coileanadh earbsach bolt DIN 6921.
Gu h-iomlan, tha am bolt DIN 6921 na fhuasgladh ceangail ioma-chruthach is làidir a thathas a’ cleachdadh ann an iomadh gnìomhachas eadar-dhealaichte. Tha e air a dhealbhadh gus cumhachd greimeachaidh sàr-mhath, strì an aghaidh caitheamh is reubadh, agus furasta a stàladh a thoirt seachad. Tha an togail àrd-inbhe aige agus a’ cumail gu teann ri inbhean gnìomhachais ga dhèanamh na roghainn air leth freagarrach do innleadairean, dealbhadairean agus proifeiseantaich togail air feadh an t-saoghail.