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 1-8 4-1/4" Length, 5PK

Model	Item	Price (inc. GST)
U04210.100.0425	AB3HFA	SGD 80.49

APPROVED VENDOR -

Structural Bolt 1-8 X 4" Length, 5PK

Model	Item	Price (inc. GST)
U04210.100.0400	AB3HEZ	SGD 111.94

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

Model	Item	Price (inc. GST)
U04210.100.0375	AB3HEY	SGD 108.29

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

Model	Item	Price (inc. GST)
U04210.100.0350	AB3HEX	SGD 106.54

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

Model	Item	Price (inc. GST)
U04210.100.0325	AB3HEW	SGD 64.59

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Structural Bolt 1-8 X 3" Length, 5PK

Model	Item	Price (inc. GST)
U04210.100.0300	AB3HEV	SGD 94.35

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Structural Bolt 1-8 2-3/4" Length, 5PK

Model	Item	Price (inc. GST)
U04210.100.0275	AB3HEU	SGD 90.43

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Structural Bolt 5/8-11 X 2-1/2" Length, 10PK

Model	Item	Price (inc. GST)
U04210.062.0250	AB3GPQ	SGD 82.10

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Structural Bolt 5/8-11 2" Length, 10PK

Model	Item	Price (inc. GST)
U04210.062.0200	AB3GPN	SGD 47.64

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

Model	Item	Price (inc. GST)
U04210.125.0350	AB3HGB	SGD 121.45

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

Model	Item	Price (inc. GST)
U04005.100.0425	AB3GKM	SGD 97.55

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

Model	Item	Price (inc. GST)
U04005.112.0425	AB3GNA	SGD 102.62

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

Model	Item	Price (inc. GST)
U04005.112.0400	AB3GMZ	SGD 84.27

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

Model	Item	Price (inc. GST)
U04005.112.0350	AB3GMY	SGD 91.90

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

Model	Item	Price (inc. GST)
U04005.112.0325	AB3GMX	SGD 89.94

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

Model	Item	Price (inc. GST)
U04005.112.0300	AB3GMW	SGD 86.33

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Structural Bolt 1-8 X 8" Length, 5PK

Model	Item	Price (inc. GST)
U04005.100.0800	AB3GMV	SGD 160.89

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

Model	Item	Price (inc. GST)
U04005.100.0750	AB3GMU	SGD 151.53

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Structural Bolt 1-8 X 7" Length, 5PK

Model	Item	Price (inc. GST)
U04005.100.0700	AB3GMT	SGD 111.06

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

Model	Item	Price (inc. GST)
U04005.100.0650	AB3GMR	SGD 129.59

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Structural Bolt 1-8 X 6" Length, 5PK

Model	Item	Price (inc. GST)
U04005.100.0600	AB3GMQ	SGD 117.27

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