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 Carbon Steel M20 x 2.5, 95mm Length, 25PK

Model	Item	Price (inc. GST)
M04210.200.0095	AH7TGC	SGD 564.55

GRAINGER -

Structural Bolt Carbon Steel M24 X 120, 20PK

Model	Item	Price (inc. GST)
M04005.240.0120	AH7TDV	SGD 818.91

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 95Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0095	AH7TGW	SGD 829.96

CRETORS -

Blade Set, High Speed

Model	Item	Price (inc. GST)
EP1500	CF2PGP	SGD 114.42

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 125Mm, 20PK

Model	Item	Price (inc. GST)
M04210.240.0125	AH7THC	SGD 893.29

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 120Mm, 20PK

Model	Item	Price (inc. GST)
M04210.240.0120	AH7THB	SGD 762.82

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 115Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0115	AH7THA	SGD 983.95

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 110Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0110	AH7TGZ	SGD 898.15

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 105Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0105	AH7TGY	SGD 924.11

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 100Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0100	AH7TGX	SGD 822.97

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 90Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0090	AH7TGV	SGD 766.06

GRAINGER -

Structural Bolt Carbon Steel M20 x 2.5, 100mm Length, 25PK

Model	Item	Price (inc. GST)
M04210.200.0100	AH7TGD	SGD 385.51

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 85Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0085	AH7TGU	SGD 795.45

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 80Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0080	AH7TGT	SGD 710.17

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 75Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0075	AH7TGR	SGD 731.42

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 70Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0070	AH7TGQ	SGD 704.63

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 60Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0060	AH7TGP	SGD 682.27

GRAINGER -

Structural Bolt Carbon Steel M24 x 3 X 50Mm, 25PK

Model	Item	Price (inc. GST)
M04210.240.0050	AH7TGN	SGD 510.36

GRAINGER -

Structural Bolt Carbon Steel M20 x 2.5, 75mm Length, 25PK

Model	Item	Price (inc. GST)
M04210.220.0075	AH7TGM	SGD 456.53

GRAINGER -

Structural Bolt Carbon Steel M22 x 2.5, 70mm Length, 25PK

Model	Item	Price (inc. GST)
M04210.220.0070	AH7TGL	SGD 709.20

GRAINGER -

Structural Bolt Carbon Steel M20 x 2.5, 160mm Length, 20PK

Model	Item	Price (inc. GST)
M04210.200.0160	AH7TGK	SGD 529.33

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