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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 57.47 | |||||||||
| B | B08441.075.0200 | SGD 264.89 | |||||||||
| A | B08441.075.0275 | SGD 245.60 | |||||||||
| B | B08441.075.0225 | SGD 184.48 | |||||||||
| B | B08441.075.0175 | SGD 273.42 | |||||||||
| A | U08441.075.0300 | SGD 50.80 | |||||||||
| A | U08441.075.0275 | SGD 50.25 | |||||||||
| B | U08441.075.0175 | SGD 40.02 | |||||||||
| C | U08440.075.0250 | SGD 38.78 | |||||||||
| C | U08440.075.0225 | SGD 35.72 | |||||||||
| C | U08440.075.0150 | SGD 35.00 | |||||||||
| C | U08440.075.0200 | SGD 37.82 | |||||||||
| A | B08441.075.0350 | SGD 219.90 | |||||||||
| A | B08441.075.0300 | SGD 261.27 | |||||||||
| A | B08441.075.0250 | SGD 199.63 | |||||||||
| B | B08441.075.0150 | SGD 288.05 | |||||||||
| A | B08441.075.0325 | SGD 207.02 | |||||||||
| C | B08440.075.0225 | SGD 162.19 | |||||||||
| A | U08441.075.0325 | SGD 54.07 | |||||||||
| A | U08441.075.0250 | SGD 43.63 | |||||||||
| B | U08441.075.0225 | SGD 40.28 | |||||||||
| B | U08441.075.0200 | SGD 40.45 | |||||||||
| C | B08440.075.0200 | SGD 199.49 | |||||||||
| C | B08440.075.0250 | SGD 176.37 | |||||||||
| B | U08441.075.0150 | SGD 37.01 |
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C| Style | Model | Overall Length | Price (inc. GST) | |
|---|---|---|---|---|
| A | U04008.087.0200 | SGD 42.60 | ||
| A | U04008.087.0250 | SGD 45.56 | ||
| A | U04008.087.0225 | SGD 44.47 | ||
| A | U04008.087.0275 | SGD 48.81 | ||
| B | U04008.087.0300 | SGD 51.44 | ||
| C | U04008.087.0350 | SGD 57.51 | ||
| B | U04008.087.0325 | SGD 50.87 | ||
| C | U04008.087.0375 | SGD 62.84 | ||
| C | U04008.087.0400 | SGD 63.27 |
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PQ| Style | Model | Finish | Grade | Head Dia. | Head Height | Item | Overall Length | Tensile Strength | Thread Length | Price (inc. GST) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U04211.050.0375 | SGD 33.09 | |||||||||
| B | U04210.075.0475 | SGD 82.08 | |||||||||
| C | U04210.075.0150 | SGD 70.01 | |||||||||
| D | U04210.075.0175 | SGD 42.65 | |||||||||
| E | U04210.075.0200 | SGD 75.57 | |||||||||
| F | U04210.075.0275 | SGD 92.39 | |||||||||
| G | U04210.075.0325 | SGD 101.88 | |||||||||
| H | U04210.075.0350 | SGD 109.77 | |||||||||
| I | U04210.075.0375 | SGD 112.04 | |||||||||
| J | U04210.075.0425 | SGD 83.74 | |||||||||
| B | U04210.075.0450 | SGD 38.27 | |||||||||
| B | U04210.075.0500 | SGD 65.47 | |||||||||
| K | U04210.075.0525 | SGD 94.62 | |||||||||
| L | U04210.075.0650 | SGD 142.28 | |||||||||
| L | U04210.075.0700 | SGD 146.94 | |||||||||
| L | U04210.075.0750 | SGD 162.43 | |||||||||
| M | U04211.050.0125 | SGD 25.97 | |||||||||
| M | U04211.050.0150 | SGD 67.12 | |||||||||
| M | U04211.050.0200 | SGD 46.55 | |||||||||
| M | U04211.050.0225 | SGD 24.16 | |||||||||
| N | U04211.050.0275 | SGD 53.78 | |||||||||
| N | U04211.050.0300 | SGD 28.69 | |||||||||
| O | U04008.112.0450 | SGD 148.45 | |||||||||
| P | U04008.112.0500 | SGD 167.58 | |||||||||
| Q | U04008.075.0200 | SGD 56.70 |
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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 40.83 | |||||||
| B | U04211.075.0525 | SGD 23.84 | |||||||
| C | U04211.112.0900 | SGD 90.36 | |||||||
| D | U04211.125.0500 | SGD 207.73 | |||||||
| D | U04211.125.0600 | SGD 86.47 | |||||||
| D | U04211.125.0800 | SGD 102.98 | |||||||
| C | U04211.112.1000 | SGD 94.74 | |||||||
| D | U04211.125.0550 | SGD 217.95 | |||||||
| E | U04006.112.0900 | SGD 62.75 | |||||||
| F | U04006.075.0525 | SGD 22.31 | |||||||
| E | U04006.112.1000 | SGD 84.56 |
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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 169.16 | |||||||||
| B | U04210.062.0125 | SGD 6.21 | |||||||||
| C | U04008.112.0700 | SGD 240.94 | |||||||||
| C | U04008.087.0550 | SGD 83.56 | |||||||||
| D | U04008.087.0600 | SGD 95.74 | |||||||||
| D | U04008.087.0650 | SGD 106.63 | |||||||||
| D | U04008.087.0700 | SGD 116.12 | |||||||||
| E | U04008.087.0800 | SGD 134.61 | |||||||||
| C | U04008.100.0550 | SGD 118.72 | |||||||||
| C | U04008.100.0600 | SGD 122.48 | |||||||||
| D | U04008.100.0700 | SGD 182.30 | |||||||||
| E | U04008.100.0750 | SGD 175.00 | |||||||||
| E | U04008.100.0800 | SGD 190.00 | |||||||||
| C | U04008.112.0600 | SGD 201.82 | |||||||||
| C | U04008.112.0650 | SGD 226.62 | |||||||||
| E | U04008.112.0800 | SGD 269.68 | |||||||||
| C | U04008.087.0475 | SGD 76.07 | |||||||||
| E | U04008.112.0900 | SGD 298.26 | |||||||||
| E | U04008.112.1000 | SGD 324.47 | |||||||||
| F | U04008.125.0300 | SGD 156.04 | |||||||||
| F | U04008.125.0325 | SGD 162.97 | |||||||||
| F | U04008.125.0350 | SGD 170.00 | |||||||||
| F | U04008.125.0400 | SGD 185.84 | |||||||||
| F | U04008.125.0425 | SGD 204.81 | |||||||||
| F | U04008.125.0450 | SGD 212.29 |
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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 | L04210.120.0070 | SGD 853.26 | |||||||||
| B | L04005.120.0035 | SGD 1237.85 | |||||||||
| C | L04210.200.0065 | SGD 686.66 | |||||||||
| D | L04210.200.0060 | SGD 827.36 | |||||||||
| E | L04210.200.0055 | SGD 675.29 | |||||||||
| F | L04210.200.0045 | SGD 1114.18 | |||||||||
| G | L04210.160.0120 | SGD 808.53 | |||||||||
| H | L04210.160.0110 | SGD 765.89 | |||||||||
| I | L04210.160.0080 | SGD 902.83 | |||||||||
| J | L04210.160.0045 | SGD 924.87 | |||||||||
| K | L04210.160.0040 | SGD 604.38 | |||||||||
| L | L04210.120.0100 | SGD 1074.54 | |||||||||
| M | L04210.160.0100 | SGD 823.68 | |||||||||
| N | L04005.120.0040 | SGD 983.05 | |||||||||
| O | L04005.160.0110 | SGD 728.82 | |||||||||
| P | L04005.120.0045 | SGD 694.30 | |||||||||
| Q | L04005.120.0060 | SGD 834.11 | |||||||||
| R | L04005.120.0070 | SGD 1108.22 | |||||||||
| S | L04005.120.0080 | SGD 2306.20 | |||||||||
| T | L04005.160.0080 | SGD 1056.64 | |||||||||
| O | L04005.160.0100 | SGD 494.04 | |||||||||
| U | L04005.200.0050 | SGD 1465.90 | |||||||||
| V | L04005.200.0055 | SGD 996.36 | |||||||||
| W | L04210.120.0045 | SGD 510.33 | |||||||||
| X | B04005.087.0275 | SGD 192.39 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04006.050.0125 | AB3BQC | SGD 24.56 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0300 | AB3HDZ | SGD 72.18 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0750 | AB3HEN | SGD 85.68 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0700 | AB3HEM | SGD 101.29 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0650 | AB3HEL | SGD 102.93 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0600 | AB3HEK | SGD 97.01 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0550 | AB3HEJ | SGD 81.26 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0500 | AB3HEH | SGD 70.37 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0475 | AB3HEG | SGD 82.05 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0450 | AB3HEF | SGD 65.20 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0425 | AB3HEE | SGD 41.57 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0400 | AB3HED | SGD 85.49 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0375 | AB3HEC | SGD 74.72 |
| Model | Item | Price (inc. GST) | |
|---|---|---|---|
| U04210.087.0350 | AB3HEB | SGD 78.01 |
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.