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.

GRAINGER -

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

Model	Item	Price (inc. GST)
U04008.112.0550	AH3EEN	SGD 165.61

GRAINGER -

Hex Structural Bolt 1 6-1/2 Inch Length Cs, 5PK

Model	Item	Price (inc. GST)
U04008.100.0650	AH3EEL	SGD 145.84

GRAINGER -

Structural Bolt Carbon Steel M12 X 45, 100PK

Model	Item	Price (inc. GST)
M04005.120.0045	AH7TCG	SGD 210.52

GRAINGER -

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

Model	Item	Price (inc. GST)
U04008.100.0400	AH3EEK	SGD 83.29

GRAINGER -

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

Model	Item	Price (inc. GST)
U04008.075.0400	AH3EEJ	SGD 92.92

GRAINGER -

Structural Bolt Galvanised 3/4-10 X 8, 10PK

Model	Item	Price (inc. GST)
U04210.075.0800	AG2GWQ	SGD 170.22

APPROVED VENDOR -

Structural Bolt 3/4-10 x 2" - PK550

Model	Item	Price (inc. GST)
5CKV6	AE3DLE	SGD 4063.68

APPROVED VENDOR -

Structural Bolt 1/2-13 X 2", 1240PK

Model	Item	Price (inc. GST)
5CKN3	AE3DLC	SGD 2798.41

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04210.125.0800	AB3HGL	SGD 175.09

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04210.125.0700	AB3HGK	SGD 223.40

APPROVED VENDOR -

Structural Bolt 1-1/4-7 X 6-1/2" Length, 5PK

Model	Item	Price (inc. GST)
U04210.125.0650	AB3HGJ	SGD 211.40

APPROVED VENDOR -

Structural Bolt 1-1/4-7 6" Length, 5PK

Model	Item	Price (inc. GST)
U04210.125.0600	AB3HGH	SGD 177.03

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04210.125.0550	AB3HGG	SGD 179.41

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04210.125.0500	AB3HGF	SGD 165.91

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04210.125.0450	AB3HGE	SGD 145.79

GRAINGER -

Structural Bolt Carbon Steel M12 X 40, 100PK

Model	Item	Price (inc. GST)
M04005.120.0040	AH7TCF	SGD 430.03

GRAINGER -

Structural Bolt Carbon Steel M12 X 50, 100PK

Model	Item	Price (inc. GST)
M04005.120.0050	AH7TCH	SGD 259.58

GRAINGER -

Structural Bolt Carbon Steel M24 X 100, 25PK

Model	Item	Price (inc. GST)
M04005.240.0100	AH7TDT	SGD 597.04

GRAINGER -

Structural Bolt Carbon Steel M20 X 75, 25PK

Model	Item	Price (inc. GST)
M04005.200.0075	AH7TDC	SGD 506.82

GRAINGER -

Structural Bolt Carbon Steel M24 X 90, 25PK

Model	Item	Price (inc. GST)
M04005.240.0090	AH7TDR	SGD 652.71

APPROVED VENDOR -

Structural Bolt 1/2-13 X 1-3/4", 1370PK

Model	Item	Price (inc. GST)
5CKN1	AE3DLA	-	RFQ

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