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

Model	Item	Price (inc. GST)
U04211.087.0450	AB3FVJ	SGD 109.14

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

Model	Item	Price (inc. GST)
U04211.087.0425	AB3FVH	SGD 28.96

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

Model	Item	Price (inc. GST)
U04211.087.0400	AB3FVG	SGD 54.21

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

Model	Item	Price (inc. GST)
U04211.087.0375	AB3FVF	SGD 20.14

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

Model	Item	Price (inc. GST)
U04211.087.0350	AB3FVE	SGD 49.56

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

Model	Item	Price (inc. GST)
U04211.087.0325	AB3FVD	SGD 35.94

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

Model	Item	Price (inc. GST)
U04211.087.0300	AB3FVC	SGD 35.53

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

Model	Item	Price (inc. GST)
U04211.087.0275	AB3FVA	SGD 33.57

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

Model	Item	Price (inc. GST)
U04211.087.0250	AB3FUZ	SGD 61.59

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

Model	Item	Price (inc. GST)
U04211.087.0200	AB3FUV	SGD 50.42

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

Model	Item	Price (inc. GST)
U04211.087.0700	AB3FVQ	SGD 45.06

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

Model	Item	Price (inc. GST)
U04211.075.0800	AB3FUU	SGD 112.49

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

Model	Item	Price (inc. GST)
U04211.075.0750	AB3FUT	SGD 34.33

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

Model	Item	Price (inc. GST)
U04211.075.0700	AB3FUR	SGD 87.26

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Structural Bolt 3/4-10 6-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04211.075.0650	AB3FUQ	SGD 37.47

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Structural Bolt 3/4-10 6" Length, 5PK

Model	Item	Price (inc. GST)
U04211.075.0600	AB3FUP	SGD 48.24

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

Model	Item	Price (inc. GST)
U04211.075.0550	AB3FUN	SGD 45.61

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

Model	Item	Price (inc. GST)
U04211.075.0500	AB3FUM	SGD 33.17

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

Model	Item	Price (inc. GST)
U04211.075.0475	AB3FUL	SGD 31.76

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

Model	Item	Price (inc. GST)
U04211.075.0450	AB3FUK	SGD 40.17

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

Model	Item	Price (inc. GST)
U04211.075.0425	AB3FUJ	SGD 35.96

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