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Structural bolts are heavy hex bolts constructed of medium carbon steel. They have a flat bearing surface, washer face and chamfered point. They are commonly used in heavy-duty structural steel joints.
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C| Style | Model | Dia./Thread Size | Fastener Length | Head Dia. | Head Height | Length | Rockwell Hardness | Tensile Strength | Thread Length | Price (inc. GST) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U08441.075.0350 | SGD 46.05 | |||||||||
| B | U08440.075.0200 | SGD 30.10 | |||||||||
| B | U08440.075.0225 | SGD 28.38 | |||||||||
| B | U08440.075.0250 | SGD 30.84 | |||||||||
| A | B08441.075.0350 | SGD 219.90 | |||||||||
| A | B08441.075.0325 | SGD 207.02 | |||||||||
| A | B08441.075.0300 | SGD 261.27 | |||||||||
| A | B08441.075.0275 | SGD 245.60 | |||||||||
| A | B08441.075.0250 | SGD 199.63 | |||||||||
| C | B08441.075.0225 | SGD 184.48 | |||||||||
| C | B08441.075.0200 | SGD 264.89 | |||||||||
| C | B08441.075.0175 | SGD 273.42 | |||||||||
| C | B08441.075.0150 | SGD 288.05 | |||||||||
| B | U08440.075.0150 | SGD 34.69 | |||||||||
| B | B08440.075.0225 | SGD 162.19 | |||||||||
| A | U08441.075.0325 | SGD 43.34 | |||||||||
| A | U08441.075.0300 | SGD 45.83 | |||||||||
| A | U08441.075.0275 | SGD 51.62 | |||||||||
| A | U08441.075.0250 | SGD 34.96 | |||||||||
| B | B08440.075.0200 | SGD 199.49 | |||||||||
| B | B08440.075.0250 | SGD 176.37 | |||||||||
| C | U08441.075.0225 | SGD 32.29 | |||||||||
| C | U08441.075.0200 | SGD 30.12 | |||||||||
| C | U08441.075.0175 | SGD 41.13 | |||||||||
| C | U08441.075.0150 | SGD 38.02 |
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C| Style | Model | Overall Length | Price (inc. GST) | |
|---|---|---|---|---|
| A | U04008.087.0200 | SGD 41.54 | ||
| A | U04008.087.0250 | SGD 35.50 | ||
| A | U04008.087.0225 | SGD 43.30 | ||
| A | U04008.087.0275 | SGD 35.68 | ||
| B | U04008.087.0300 | SGD 50.15 | ||
| C | U04008.087.0350 | SGD 56.03 | ||
| B | U04008.087.0325 | SGD 45.78 | ||
| C | U04008.087.0375 | SGD 61.22 | ||
| C | U04008.087.0400 | SGD 61.66 |
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NO| Style | Model | Finish | Grade | Head Dia. | Head Height | Item | Overall Length | Tensile Strength | Thread Length | Price (inc. GST) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U04210.075.0475 | SGD 92.35 | |||||||||
| B | U04210.075.0200 | SGD 26.25 | |||||||||
| C | U04211.050.0150 | SGD 75.51 | |||||||||
| C | U04211.050.0125 | SGD 29.21 | |||||||||
| D | U04210.075.0750 | SGD 182.74 | |||||||||
| D | U04210.075.0700 | SGD 165.31 | |||||||||
| D | U04210.075.0650 | SGD 62.69 | |||||||||
| E | U04210.075.0525 | SGD 106.45 | |||||||||
| A | U04210.075.0500 | SGD 54.52 | |||||||||
| F | U04211.050.0275 | SGD 60.50 | |||||||||
| A | U04210.075.0450 | SGD 36.70 | |||||||||
| G | U04210.075.0425 | SGD 77.60 | |||||||||
| H | U04210.075.0375 | SGD 43.18 | |||||||||
| I | U04210.075.0350 | SGD 38.62 | |||||||||
| J | U04210.075.0325 | SGD 36.22 | |||||||||
| K | U04210.075.0275 | SGD 30.14 | |||||||||
| L | U04210.075.0175 | SGD 39.53 | |||||||||
| C | U04211.050.0225 | SGD 19.50 | |||||||||
| M | U04210.075.0150 | SGD 20.28 | |||||||||
| F | U04211.050.0300 | SGD 23.26 | |||||||||
| N | U04211.050.0375 | SGD 37.22 | |||||||||
| C | U04211.050.0200 | SGD 52.37 | |||||||||
| O | U04008.075.0200 | SGD 55.37 | |||||||||
| O | U04008.075.0225 | SGD 59.69 | |||||||||
| O | U04008.075.0250 | SGD 63.94 |
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F| Style | Model | Finish | Head Dia. | Head Height | Overall Length | Thread Length | Thread Size | Price (inc. GST) | |
|---|---|---|---|---|---|---|---|---|---|
| A | U04211.062.0125 | SGD 33.70 | |||||||
| B | U04211.075.0525 | SGD 26.82 | |||||||
| C | U04211.112.0900 | SGD 98.40 | |||||||
| C | U04211.112.1000 | SGD 106.59 | |||||||
| D | U04211.125.0500 | SGD 203.44 | |||||||
| D | U04211.125.0550 | SGD 213.44 | |||||||
| D | U04211.125.0600 | SGD 97.28 | |||||||
| D | U04211.125.0800 | SGD 115.85 | |||||||
| E | U04006.075.0525 | SGD 25.09 | |||||||
| F | U04006.112.0900 | SGD 70.60 | |||||||
| F | U04006.112.1000 | SGD 95.13 |
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EF| Style | Model | Finish | Grade | Head Dia. | Head Height | Overall Length | Tensile Strength | Thread Length | Thread Size | Price (inc. GST) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U04210.112.0900 | SGD 190.30 | |||||||||
| B | U04210.062.0125 | SGD 6.48 | |||||||||
| C | U04008.112.0700 | SGD 271.06 | |||||||||
| C | U04008.087.0550 | SGD 94.01 | |||||||||
| D | U04008.087.0600 | SGD 107.71 | |||||||||
| D | U04008.087.0650 | SGD 119.95 | |||||||||
| D | U04008.087.0700 | SGD 130.63 | |||||||||
| E | U04008.087.0800 | SGD 151.43 | |||||||||
| C | U04008.100.0550 | SGD 115.70 | |||||||||
| C | U04008.100.0600 | SGD 137.79 | |||||||||
| D | U04008.100.0700 | SGD 205.08 | |||||||||
| E | U04008.100.0750 | SGD 196.88 | |||||||||
| E | U04008.100.0800 | SGD 184.98 | |||||||||
| C | U04008.112.0600 | SGD 227.04 | |||||||||
| C | U04008.112.0650 | SGD 254.94 | |||||||||
| E | U04008.112.0800 | SGD 303.39 | |||||||||
| C | U04008.087.0475 | SGD 85.57 | |||||||||
| E | U04008.112.0900 | SGD 335.54 | |||||||||
| E | U04008.112.1000 | SGD 365.03 | |||||||||
| F | U04008.125.0300 | SGD 175.54 | |||||||||
| F | U04008.125.0325 | SGD 183.34 | |||||||||
| F | U04008.125.0350 | SGD 191.25 | |||||||||
| F | U04008.125.0400 | SGD 156.79 | |||||||||
| F | U04008.125.0425 | SGD 230.41 | |||||||||
| F | U04008.125.0450 | SGD 238.83 |
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X| Style | Model | Basic Material | Dia./Thread Size | Fastener Finish | Fastener Length | Finish | Grade | Head Dia. | Head Height | Price (inc. GST) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | L04210.200.0060 | SGD 827.36 | |||||||||
| B | L04210.200.0055 | SGD 675.29 | |||||||||
| C | L04005.120.0040 | SGD 983.05 | |||||||||
| D | L04005.120.0060 | SGD 834.11 | |||||||||
| E | L04005.120.0080 | SGD 2306.20 | |||||||||
| F | L04005.160.0100 | SGD 494.04 | |||||||||
| G | L04005.200.0050 | SGD 1465.90 | |||||||||
| H | L04210.120.0045 | SGD 510.33 | |||||||||
| I | L04210.120.0100 | SGD 1074.54 | |||||||||
| J | L04210.160.0045 | SGD 924.87 | |||||||||
| K | L04210.160.0100 | SGD 823.68 | |||||||||
| L | L04210.160.0120 | SGD 808.53 | |||||||||
| M | L04210.200.0065 | SGD 686.66 | |||||||||
| N | L04210.120.0070 | SGD 853.26 | |||||||||
| O | L04210.200.0045 | SGD 1114.18 | |||||||||
| P | L04210.160.0080 | SGD 902.83 | |||||||||
| Q | L04210.160.0040 | SGD 604.38 | |||||||||
| R | L04005.200.0055 | SGD 996.36 | |||||||||
| F | L04005.160.0110 | SGD 728.82 | |||||||||
| S | L04005.160.0080 | SGD 1056.64 | |||||||||
| T | L04005.120.0070 | SGD 1108.22 | |||||||||
| U | L04005.120.0045 | SGD 694.30 | |||||||||
| V | L04005.120.0035 | SGD 1237.85 | |||||||||
| W | L04210.160.0110 | SGD 765.89 | |||||||||
| X | B04006.075.0375 | SGD 216.09 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04006.075.0225 | AB3BRK | SGD 37.03 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.100.0550 | AB3FWG | SGD 64.21 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0550 | AB3FWW | SGD 77.12 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0500 | AB3FWV | SGD 54.83 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0450 | AB3FWU | SGD 88.94 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0425 | AB3FWT | SGD 67.25 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0400 | AB3FWR | SGD 65.18 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0350 | AB3FWQ | SGD 89.56 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0325 | AB3FWP | SGD 51.70 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.112.0300 | AB3FWN | SGD 56.86 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.100.0800 | AB3FWM | SGD 83.64 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.100.0750 | AB3FWL | SGD 46.34 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.100.0700 | AB3FWK | SGD 120.21 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04211.100.0650 | AB3FWJ | SGD 152.79 |
Structural bolts are heavy hex bolts constructed of medium carbon steel. They have a flat bearing surface, washer face and chamfered point. They are commonly used in heavy-duty structural steel joints.
The American Society for Testing and Materials (ASTM) is in charge of establishing standards for various tools and industries. Although these standards are voluntary, most fabricators follow them as it increases customer trust. The A325 standard, in addition to ASTM A563 and A194, applies to heavy hex structural bolts. This standard specifies the mechanical properties of bolts with diameters ranging from.5 to 1.5 inches. A325M, the equivalent metric standard, defines mechanical properties for bolts having M12 to M36 sizes. The ASTM A325 designation was replaced in 2016 by ASTM F3125. However, the markings on bolt heads remain the same to avoid confusion.