DIN 6921 bolt bebibir Kelas 8.8 dan 10.9
Nama produk | HEX BOLT DIN 931/ISO4014 separuh benang |
Standard | DIN,ASTM/ANSI JIS EN ISO,AS,GB |
Gred | Gred Keluli: 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, |
Penamat | Zink (Kuning, Putih, Biru, Hitam), Hop Dip Galvanized (HDG), Black Oxide, Geomet, Dacroment, anodization, Nikel bersalut, Zink-Nikel bersalut |
Proses pengeluaran | M2-M24: Katak Sejuk, M24-M100 Penempaan Panas, Pemesinan dan CNC untuk pengikat Tersuai |
Produk Tersuai Masa utama | 30-60 hari, |
Benang skru | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | ||
P | Pitch | 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 | maks | 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 | maks | 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=saiz nominal | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | |
Gred 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 | |
Gred 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 | Gred 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 |
Gred 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 | Gred 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 |
Gred 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 | maks | 0.6 | 0.8 | 1 | 1 | 1 | 1.2 | 1.2 | 1.4 | 1.4 | 2 | 2 | 3 | |
k | Saiz Nominal | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.5 | |
Gred A | maks | 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 | ||
Gred B | maks | 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 | Gred 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 |
Gred 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=saiz nominal | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 16 | 18 | |
Gred 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 | |
Gred 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 | |
Panjang Benang b | - | - | - | - | - | - | - | - | - | - | - | - | ||
Benang skru | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | ||
P | Pitch | 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 | maks | 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 | maks | 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=saiz nominal | 14 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | |
Gred A | min | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | - | - | - | - | - | - | |
Gred 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 | Gred A | min | 19.64 | 22.49 | 25.34 | 28.19 | 31.71 | 33.61 | - | - | - | - | - | - |
Gred 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 | Gred A | min | 23.36 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 | - | - | - | - | - | - |
Gred 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 | maks | 3 | 3 | 3 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 8 | |
k | Saiz Nominal | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | 26 | |
Gred A | maks | 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 | - | - | - | - | - | - | ||
Gred B | maks | 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 | Gred A | min | 6.03 | 6.87 | 7.9 | 8.6 | 9.65 | 10.35 | - | - | - | - | - | - |
Gred 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=saiz nominal | 21 | 24 | 27 | 30 | 34 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | |
Gred A | min | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 | - | - | - | - | - | - | |
Gred B | min | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | |
Panjang Benang b | - | - | - | - | - | - | - | - | - | - |
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Benang skru | (M45) | M48 | (M52) | M56 | (M60) | M64 |
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P | Pitch | 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 | maks | 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 | maks | 48.6 | 52.6 | 56.6 | 63 | 67 | 71 |
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ds | max=saiz nominal | 45 | 48 | 52 | 56 | 60 | 64 |
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Gred A | min | - | - | - | - | - | - |
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Gred B | min | 44.38 | 47.38 | 51.26 | 55.26 | 59.26 | 63.26 |
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dw | Gred A | min | - | - | - | - | - | - |
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Gred B | min | 64.7 | 69.45 | 74.2 | 78.66 | 83.41 | 88.16 |
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e | Gred A | min | - | - | - | - | - | - |
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Gred B | min | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 |
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L1 | maks | 8 | 10 | 10 | 12 | 12 | 13 |
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k | Saiz Nominal | 28 | 30 | 33 | 35 | 38 | 40 |
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Gred A | maks | - | - | - | - | - | - |
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min | - | - | - | - | - | - |
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Gred B | maks | 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 | Gred A | min | - | - | - | - | - | - |
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Gred 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=saiz nominal | 70 | 75 | 80 | 85 | 90 | 95 |
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Gred A | min | - | - | - | - | - | - |
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Gred B | min | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 |
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Panjang Benang b | - | - | - | - | - | - |
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Ciri-ciri dan manfaat
DIN 6921 ialah sejenis bolt bebibir hex yang biasa digunakan dalam aplikasi perindustrian dan pembinaan.Bolt ini mempunyai bebibir yang bertindak sebagai pencuci terbina dalam dan membantu mengagihkan beban merentasi kawasan permukaan yang lebih luas.Kepala bolt berbentuk heksagon dan mudah diketatkan menggunakan sepana atau soket.
Bolt ini digunakan secara meluas dalam jentera, industri automotif, dan dalam pembinaan, kerana kekuatan dan ketahanannya yang luar biasa.Ia diperbuat daripada bahan berkualiti tinggi seperti keluli tahan karat, titanium dan keluli karbon, yang memberikan ketahanan jangka panjang terhadap haus, kakisan dan karat.
Bolt DIN 6921 dihasilkan dengan toleransi yang ketat dan tertakluk kepada langkah kawalan kualiti yang ketat untuk memastikan ia memenuhi standard kualiti dan prestasi tertinggi.Bolt ini tersedia dalam pelbagai saiz, panjang dan kemasan untuk disesuaikan dengan aplikasi dan keperluan yang berbeza.
Di samping itu, bolt DIN 6921 mematuhi piawaian industri yang ketat, termasuk piawaian DIN (Deutsches Institut für Normung) dan ISO (Pertubuhan Antarabangsa untuk Standardisasi).Ia juga diuji untuk kekerasan, kekuatan tegangan dan ketepatan dimensi sebelum dikeluarkan untuk dijual.Kesemua faktor ini menyumbang kepada kualiti hebat dan prestasi yang boleh dipercayai bagi bolt DIN 6921.
Secara keseluruhan, bolt DIN 6921 ialah penyelesaian pengikat yang serba boleh dan teguh yang digunakan dalam banyak industri yang berbeza.Ia direka untuk memberikan kuasa pegangan yang sangat baik, ketahanan terhadap haus dan lusuh, dan kemudahan pemasangan.Pembinaan berkualiti tinggi dan pematuhan ketat kepada piawaian industri menjadikannya pilihan utama untuk jurutera, pereka bentuk dan profesional pembinaan di seluruh dunia.