DIN 6921 flange bolts Hatari 8.8 na 10.9
Jina la bidhaa | HEX BOLT DIN 931/ISO4014 nusu thread |
Kawaida | DIN,ASTM/ANSI JIS EN ISO,AS,GB |
Daraja | Daraja la Chuma: 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, |
Kumaliza | Zinki(Njano,Nyeupe,Bluu,Nyeusi),Hop Dip Iliyobatizwa(HDG),Oksidi Nyeusi, Geomet, Dacroment, anodization, Nickel plated, Zinki-Nickel plated |
Mchakato wa Uzalishaji | M2-M24:Froging Baridi,M24-M100 Utengenezaji Moto, Uchimbaji na CNC kwa kitango kilichobinafsishwa |
Wakati wa Kuongoza wa Bidhaa zilizobinafsishwa | siku 30-60, |
Uzi wa Parafujo | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | ||
P | Lami | 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 | max | 0.25 | 0.25 | 0.25 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | |
min | 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 | max | 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 7.8 | 9.2 | 11.2 | 13.7 | |
ds | max=ukubwa wa kawaida | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | |
Daraja A | min | 1.46 | 1.86 | 2.36 | 2.86 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 9.78 | 11.73 | |
Daraja B | min | 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 | Daraja A | min | 2.54 | 3.34 | 4.34 | 4.84 | 5.34 | 6.2 | 7.2 | 8.88 | 9.63 | 11.63 | 14.63 | 16.63 |
Daraja B | min | 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 | Daraja A | min | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 17.77 | 20.03 |
Daraja B | min | 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 | max | 0.6 | 0.8 | 1 | 1 | 1 | 1.2 | 1.2 | 1.4 | 1.4 | 2 | 2 | 3 | |
k | Ukubwa wa Jina | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.5 | |
Daraja A | max | 1.225 | 1.525 | 1.825 | 2.125 | 2.525 | 2.925 | 3.65 | 4.15 | 4.95 | 5.45 | 6.58 | 7.68 | |
min | 0.975 | 1.275 | 1.575 | 1.875 | 2.275 | 2.675 | 3.35 | 3.85 | 4.65 | 5.15 | 6.22 | 7.32 | ||
Daraja B | max | 1.3 | 1.6 | 1.9 | 2.2 | 2.6 | 3 | 3.74 | 4.24 | 5.04 | 5.54 | 6.69 | 7.79 | |
min | 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 | Daraja A | min | 0.68 | 0.89 | 1.1 | 1.31 | 1.59 | 1.87 | 2.35 | 2.7 | 3.26 | 3.61 | 4.35 | 5.12 |
Daraja B | min | 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 | min | 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 | max=ukubwa wa kawaida | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 16 | 18 | |
Daraja A | min | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 15.73 | 17.73 | |
Daraja B | min | 2.9 | 3.7 | 4.7 | 5.2 | 5.7 | 6.64 | 7.64 | 9.64 | 10.57 | 12.57 | 15.57 | 17.57 | |
Urefu wa Uzi b | - | - | - | - | - | - | - | - | - | - | - | - | ||
Uzi wa Parafujo | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | ||
P | Lami | 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 | max | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | 1 | |
min | 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 | max | 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 | max=ukubwa wa kawaida | 14 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | |
Daraja A | min | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | - | - | - | - | - | - | |
Daraja B | min | 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 | Daraja A | min | 19.64 | 22.49 | 25.34 | 28.19 | 31.71 | 33.61 | - | - | - | - | - | - |
Daraja B | min | 19.15 | 22 | 24.85 | 27.7 | 31.35 | 33.25 | 38 | 42.75 | 46.55 | 51.11 | 55.86 | 59.95 | |
e | Daraja A | min | 23.36 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 | - | - | - | - | - | - |
Daraja B | min | 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 | max | 3 | 3 | 3 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 8 | |
k | Ukubwa wa Jina | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | 26 | |
Daraja A | max | 8.98 | 10.18 | 11.715 | 12.715 | 14.215 | 15.215 | - | - | - | - | - | - | |
min | 8.62 | 9.82 | 11.285 | 12.285 | 13.785 | 14.785 | - | - | - | - | - | - | ||
Daraja B | max | 9.09 | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | |
min | 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 | Daraja A | min | 6.03 | 6.87 | 7.9 | 8.6 | 9.65 | 10.35 | - | - | - | - | - | - |
Daraja B | min | 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 | min | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1.2 | |
s | max=ukubwa wa kawaida | 21 | 24 | 27 | 30 | 34 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | |
Daraja A | min | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 | - | - | - | - | - | - | |
Daraja B | min | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | |
Urefu wa Uzi b | - | - | - | - | - | - | - | - | - | - |
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Uzi wa Parafujo | (M45) | M48 | (M52) | M56 | (M60) | M64 |
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P | Lami | 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 | max | 1 | 1 | 1 | 1 | 1 | 1 |
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min | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
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da | max | 48.6 | 52.6 | 56.6 | 63 | 67 | 71 |
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ds | max=ukubwa wa kawaida | 45 | 48 | 52 | 56 | 60 | 64 |
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Daraja A | min | - | - | - | - | - | - |
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Daraja B | min | 44.38 | 47.38 | 51.26 | 55.26 | 59.26 | 63.26 |
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dw | Daraja A | min | - | - | - | - | - | - |
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Daraja B | min | 64.7 | 69.45 | 74.2 | 78.66 | 83.41 | 88.16 |
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e | Daraja A | min | - | - | - | - | - | - |
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Daraja B | min | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 |
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L1 | max | 8 | 10 | 10 | 12 | 12 | 13 |
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k | Ukubwa wa Jina | 28 | 30 | 33 | 35 | 38 | 40 |
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Daraja A | max | - | - | - | - | - | - |
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min | - | - | - | - | - | - |
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Daraja B | max | 28.42 | 30.42 | 33.5 | 35.5 | 38.5 | 40.5 |
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min | 27.58 | 29.58 | 32.5 | 34.5 | 37.5 | 39.5 |
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k1 | Daraja A | min | - | - | - | - | - | - |
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Daraja B | min | 19.31 | 20.71 | 22.75 | 24.15 | 26.25 | 27.65 |
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r | min | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 |
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s | max=ukubwa wa kawaida | 70 | 75 | 80 | 85 | 90 | 95 |
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Daraja A | min | - | - | - | - | - | - |
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Daraja B | min | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 |
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Urefu wa Uzi b | - | - | - | - | - | - |
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Vipengele na Faida
DIN 6921 ni aina ya bolt ya hex flange ambayo hutumiwa sana katika matumizi ya viwanda na ujenzi.Bolt hii ina flange ambayo hufanya kazi kama washer iliyojengwa ndani na husaidia kusambaza mzigo kwenye eneo pana zaidi.Kichwa cha bolt kina sura ya hexagonal na ni rahisi kuimarisha kwa kutumia wrench au tundu.
Bolt hii hutumiwa sana katika mashine, viwanda vya magari, na katika ujenzi, kutokana na nguvu zake za kipekee na uimara.Imetengenezwa kutoka kwa nyenzo za ubora wa juu kama vile chuma cha pua, titani na chuma cha kaboni, ambayo hutoa upinzani wa muda mrefu dhidi ya uchakavu, kutu na kutu.
Boliti za DIN 6921 zimetengenezwa kwa ustahimilivu mkali na ziko chini ya hatua kali za udhibiti wa ubora ili kuhakikisha kuwa zinakidhi viwango vya juu zaidi vya ubora na utendakazi.Boliti hizi zinapatikana katika saizi, urefu na faini anuwai ili kuendana na matumizi na mahitaji tofauti.
Zaidi ya hayo, boliti za DIN 6921 hufuata viwango vikali vya sekta hiyo, ikijumuisha viwango vya DIN (Deutsches Institut für Normung) na ISO (Shirika la Kimataifa la Kuweka Viwango).Pia hujaribiwa kwa ugumu wao, uimara wao, na usahihi wa vipimo kabla ya kuachiliwa ili kuuzwa.Mambo haya yote yanachangia ubora wa hali ya juu na utendakazi wa kuaminika wa bolt ya DIN 6921.
Kwa ujumla, boliti ya DIN 6921 ni suluhisho thabiti na thabiti la kufunga ambalo hutumiwa katika tasnia nyingi tofauti.Imeundwa kutoa nguvu bora ya kushikilia, upinzani wa kuvaa na machozi, na urahisi wa usakinishaji.Ujenzi wake wa ubora wa juu na ufuasi mkali kwa viwango vya sekta hufanya kuwa chaguo bora kwa wahandisi, wabunifu, na wataalamu wa ujenzi duniani kote.