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 M16 X 70, 50PK

Model	Item	Price (inc. GST)
M04005.160.0070	AH7TCR	SGD 276.30

GRAINGER -

Structural Bolt Carbon Steel M16 X 65, 50PK

Model	Item	Price (inc. GST)
M04005.160.0065	AH7TCQ	SGD 497.98

GRAINGER -

Structural Bolt Carbon Steel M16 X 60, 50PK

Model	Item	Price (inc. GST)
M04005.160.0060	AH7TCP	SGD 418.20

GRAINGER -

Structural Bolt Carbon Steel M16 X 55, 50PK

Model	Item	Price (inc. GST)
M04005.160.0055	AH7TCN	SGD 621.68

GRAINGER -

Structural Bolt Carbon Steel M16 X 50, 50PK

Model	Item	Price (inc. GST)
M04005.160.0050	AH7TCM	SGD 438.15

GRAINGER -

Structural Bolt Carbon Steel M12 X 80, 50PK

Model	Item	Price (inc. GST)
M04005.120.0080	AH7TCL	SGD 681.67

GRAINGER -

Structural Bolt Carbon Steel M12 X 70, 50PK

Model	Item	Price (inc. GST)
M04005.120.0070	AH7TCK	SGD 223.97

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04005.087.0550	AB3GJW	SGD 90.94

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04005.087.0475	AB3GJU	SGD 41.05

APPROVED VENDOR -

Structural Bolt 1/2-13 X 1 1/2 Length, 25PK

Model	Item	Price (inc. GST)
U04006.050.0150	AB3BQD	SGD 152.30

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.100.0650	AB3EVF	SGD 60.54

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0650	AB3EVV	SGD 50.96

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0600	AB3EVU	SGD 57.68

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0550	AB3EVT	SGD 42.25

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0500	AB3EVR	SGD 57.65

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0450	AB3EVQ	SGD 48.76

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0425	AB3EVP	SGD 45.95

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0400	AB3EVN	SGD 52.06

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0350	AB3EVM	SGD 161.85

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0325	AB3EVL	SGD 30.04

APPROVED VENDOR -

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

Model	Item	Price (inc. GST)
U04006.112.0300	AB3EVK	SGD 45.04

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