What are the different bolting methods?

Nut Turning: Turn the nut or bolt of a fastener assembly at a particular angle based on the length and diameter of the fastener, while ensuring that the surface does not rotate. Calibrated Wrench: Apply an average torque value based on daily testing of your representative fastener assembly samples. They are based on the exact configuration of power supplies & tools under conditions as close together as possible, within one day or less.

What is ASTM A325 standard?

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.

Structural Bolts

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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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Structural Bolt 3/4-10 2 3/4 Length, 5PK

Model	Item	Price (inc. GST)
U04006.075.0275	AB3BRM	SGD 26.43

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Structural Bolt 7/8-9 6-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0650	AB3EUL	SGD 33.91

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Structural Bolt 7/8-9 2-1/4" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0225	AB3BTF	SGD 19.12

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Structural Bolt 7/8-9 X 6" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0600	AB3EUK	SGD 42.65

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Structural Bolt 7/8-9 5-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0550	AB3EUJ	SGD 33.00

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Structural Bolt 7/8-9 X 5" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0500	AB3EUH	SGD 25.99

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Structural Bolt 7/8-9 4-3/4" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0475	AB3EUG	SGD 31.25

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Structural Bolt 7/8-9 4-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0450	AB3EUF	SGD 42.10

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Structural Bolt 7/8-9 4-1/4" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0425	AB3EUE	SGD 56.39

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Structural Bolt 7/8-9 X 4" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0400	AB3EUD	SGD 47.16

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Structural Bolt 7/8-9 3-3/4" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0375	AB3EUC	SGD 45.16

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Structural Bolt 7/8-9 3-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0350	AB3EUB	SGD 77.60

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Structural Bolt 7/8-9 3-1/4" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0325	AB3BTK	SGD 28.24

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Structural Bolt 7/8-9 X 3" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0300	AB3BTJ	SGD 72.37

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Structural Bolt 7/8-9 2-3/4" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0275	AB3BTH	SGD 61.02

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Structural Bolt 7/8-9 2-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0250	AB3BTG	SGD 26.40

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Structural Bolt 7/8-9 X 2" Length, 5PK

Model	Item	Price (inc. GST)
U04006.087.0200	AB3BTE	SGD 15.55

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Structural Bolt 3/4-10 3 Inch Length, 5PK

Model	Item	Price (inc. GST)
U04006.075.0300	AB3BRN	SGD 20.74

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Structural Bolt 3/4-10 8" Length, 5PK

Model	Item	Price (inc. GST)
U04006.075.0800	AB3BTD	SGD 34.45

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Structural Bolt 3/4-10 7-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04006.075.0750	AB3BTC	SGD 30.10

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Structural Bolt 3/4-10 7" Length, 5PK

Model	Item	Price (inc. GST)
U04006.075.0700	AB3BTB	SGD 36.96

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