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    5/16 -18 x 1 1/4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 100

    5/16 -18 x 1 1/4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 100

    PRODUCT SPECIFICATIONS Part #: 0000-114127 Fastener Type: Square Head Machine Bolt Size Description: 5/16 -18 x 1 1/4 Diameter/Nominal Size: 5/16 Length: 1 1/4 Thread Pitch: 18 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $49.80

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    1/2 -13 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 25

    1/2 -13 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 25

    PRODUCT SPECIFICATIONS Part #: 0000-120039 Fastener Type: Square Head Machine Bolt Size Description: 1/2 -13 x 1 1/2 Diameter/Nominal Size: 1/2 Length: 1 1/2 Thread Pitch: 13 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $60.99

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    Best Seller
    1/2 -13 x 5 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 50

    1/2 -13 x 5 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 50

    PRODUCT SPECIFICATIONS Part #: 0000-125148 Fastener Type: Square Head Machine Bolt Size Description: 1/2 -13 x 5 Diameter/Nominal Size: 1/2 Length: 5 Thread Pitch: 13 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material: Low Carbon... more

    $220.26

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    5/8 -11 x 7 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 35

    5/8 -11 x 7 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 35

    PRODUCT SPECIFICATIONS Part #: 0000-128883 Fastener Type: Square Head Machine Bolt Size Description: 5/8 -11 x 7 Diameter/Nominal Size: 5/8 Length: 7 Thread Pitch: 11 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material: Low Carbon... more

    $217.89

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    1/4 -20 x 1 1/4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 50

    1/4 -20 x 1 1/4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 50

    PRODUCT SPECIFICATIONS Part #: 0000-111949 Fastener Type: Square Head Machine Bolt Size Description: 1/4 -20 x 1 1/4 Diameter/Nominal Size: 1/4 Length: 1 1/4 Thread Pitch: 20 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $32.52

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    1/4 -20 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 2400

    1/4 -20 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 2400

    PRODUCT SPECIFICATIONS Part #: 0000-112728 Fastener Type: Square Head Machine Bolt Size Description: 1/4 -20 x 1 1/2 Diameter/Nominal Size: 1/4 Length: 1 1/2 Thread Pitch: 20 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $479.22

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    3/8 -16 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 500

    3/8 -16 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 500

    PRODUCT SPECIFICATIONS Part #: 0000-116699 Fastener Type: Square Head Machine Bolt Size Description: 3/8 -16 x 1 1/2 Diameter/Nominal Size: 3/8 Length: 1 1/2 Thread Pitch: 16 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $273.30

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    1-8 x 9 Square Head Machine Bolts / Steel / Plain (Quantity: 20 pcs)

    1-8 x 9 Square Head Machine Bolts / Steel / Plain (Quantity: 20 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $499.99

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    1/2-13X2 Square Head Machine Bolt Plain (Pack Qty 200) BC-5032BMQ

    1/2-13X2 Square Head Machine Bolt Plain (Pack Qty 200) BC-5032BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $231.72

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    1/2-13X7 Square Head Machine Bolt Plain (Pack Qty 75) BC-50112BMQ

    1/2-13X7 Square Head Machine Bolt Plain (Pack Qty 75) BC-50112BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $284.23

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    1-8 x 6 Square Head Machine Bolts / Steel / Plain - 20 Piece Carton

    1-8 x 6 Square Head Machine Bolts / Steel / Plain - 20 Piece Carton

    Fastener SuperStore Offers Bulk Square Head Machine Bolts - 1-8 x 6 / Steel / Plain in 20 Pc. Cartons more

    $203.29

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    5/8-11 x 3 1/2 Square Head Machine Bolts / Steel / Plain - 75 Piece Carton

    5/8-11 x 3 1/2 Square Head Machine Bolts / Steel / Plain - 75 Piece Carton

    Fastener SuperStore Offers Bulk Square Head Machine Bolts - 5/8-11 x 3 1/2 / Steel / Plain in 75 Pc. Cartons more

    $201.48

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    5/8 -11 x 3 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 5

    5/8 -11 x 3 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 5

    PRODUCT SPECIFICATIONS Part #: 0000-125387 Fastener Type: Square Head Machine Bolt Size Description: 5/8 -11 x 3 Diameter/Nominal Size: 5/8 Length: 3 Thread Pitch: 11 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material: Low Carbon... more

    $41.25

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    5/16 -18 x 3 1/2 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 250

    5/16 -18 x 3 1/2 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 250

    PRODUCT SPECIFICATIONS Part #: 0000-118629 Fastener Type: Square Head Machine Bolt Size Description: 5/16 -18 x 3 1/2 (PT) Diameter/Nominal Size: 5/16 Length: 3 1/2 Thread Pitch: 18 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage:... more

    $192.30

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    7/8-9 x 3 1/2 Square Head Machine Bolts / Steel / Plain (Quantity: 30 pcs)

    7/8-9 x 3 1/2 Square Head Machine Bolts / Steel / Plain (Quantity: 30 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $283.99

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    3/8-16 x 2 1/2 Square Head Machine Bolts / Steel / Plain (Quantity: 300 pcs)

    3/8-16 x 2 1/2 Square Head Machine Bolts / Steel / Plain (Quantity: 300 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $289.99

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    5/16-18 x 1 1/4 Square Head Machine Bolts / Steel / Plain (Quantity: 700 pcs)

    5/16-18 x 1 1/4 Square Head Machine Bolts / Steel / Plain (Quantity: 700 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $219.99

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    5/8-11X2 Square Head Machine Bolt Plain (Pack Qty 100) BC-6232BMQ

    5/8-11X2 Square Head Machine Bolt Plain (Pack Qty 100) BC-6232BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $196.65

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    5/16-18X1 1/4 Square Head Machine Bolt Plain (Pack Qty 700) BC-3120BMQ

    5/16-18X1 1/4 Square Head Machine Bolt Plain (Pack Qty 700) BC-3120BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $197.18

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    5/16-18X2 Square Head Machine Bolt Plain (Pack Qty 500) BC-3132BMQ

    5/16-18X2 Square Head Machine Bolt Plain (Pack Qty 500) BC-3132BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $259.51

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    3/8-16 x 1 1/4 Square Head Machine Bolts / Steel / Plain - 500 Piece Carton

    3/8-16 x 1 1/4 Square Head Machine Bolts / Steel / Plain - 500 Piece Carton

    Fastener SuperStore Offers Bulk Square Head Machine Bolts - 3/8-16 x 1 1/4 / Steel / Plain in 500 Pc. Cartons more

    $165.73

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    1-8 x 7 Square Head Machine Bolts / Steel / Plain - 10 Piece Carton

    1-8 x 7 Square Head Machine Bolts / Steel / Plain - 10 Piece Carton

    Fastener SuperStore Offers Bulk Square Head Machine Bolts - 1-8 x 7 / Steel / Plain in 10 Pc. Cartons more

    $102.73

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    5/8 -11 x 6 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 5

    5/8 -11 x 6 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 5

    PRODUCT SPECIFICATIONS Part #: 0000-128358 Fastener Type: Square Head Machine Bolt Size Description: 5/8 -11 x 6 (PT) Diameter/Nominal Size: 5/8 Length: 6 Thread Pitch: 11 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial... more

    $48.26

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    3/4 -10 x 12 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 5

    3/4 -10 x 12 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 5

    PRODUCT SPECIFICATIONS Part #: 0000-132809 Fastener Type: Square Head Machine Bolt Size Description: 3/4 -10 x 12 (PT) Diameter/Nominal Size: 3/4 Length: 12 Thread Pitch: 10 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial... more

    $120.47

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    1/2 -13 x 5 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 75

    1/2 -13 x 5 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 75

    PRODUCT SPECIFICATIONS Part #: 0000-125724 Fastener Type: Square Head Machine Bolt Size Description: 1/2 -13 x 5 1/2 Diameter/Nominal Size: 1/2 Length: 5 1/2 Thread Pitch: 13 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $250.50

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    5/8 -11 x 10 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 10

    5/8 -11 x 10 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 10

    PRODUCT SPECIFICATIONS Part #: 0000-130438 Fastener Type: Square Head Machine Bolt Size Description: 5/8 -11 x 10 (PT) Diameter/Nominal Size: 5/8 Length: 10 Thread Pitch: 11 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial... more

    $104.32

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    3/8-16X2 1/2 Square Head Machine Bolt Plain (Pack Qty 300) BC-3740BMQ

    3/8-16X2 1/2 Square Head Machine Bolt Plain (Pack Qty 300) BC-3740BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $249.92

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    5/8-11 x 5 Square Head Machine Bolts / Steel / Plain - 75 Piece Carton

    5/8-11 x 5 Square Head Machine Bolts / Steel / Plain - 75 Piece Carton

    Fastener SuperStore Offers Bulk Square Head Machine Bolts - 5/8-11 x 5 / Steel / Plain in 75 Pc. Cartons more

    $249.82

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    5/16 -18 x 5 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 100

    5/16 -18 x 5 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 100

    PRODUCT SPECIFICATIONS Part #: 0000-120371 Fastener Type: Square Head Machine Bolt Size Description: 5/16 -18 x 5 (PT) Diameter/Nominal Size: 5/16 Length: 5 Thread Pitch: 18 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial... more

    $131.46

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    5/16 -18 x 6 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 150

    5/16 -18 x 6 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 150

    PRODUCT SPECIFICATIONS Part #: 0000-121278 Fastener Type: Square Head Machine Bolt Size Description: 5/16 -18 x 6 (PT) Diameter/Nominal Size: 5/16 Length: 6 Thread Pitch: 18 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Partial... more

    $176.70

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    5/16 -18 x 3 1/2 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 100

    5/16 -18 x 3 1/2 (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 100

    PRODUCT SPECIFICATIONS Part #: 0000-118629 Fastener Type: Square Head Machine Bolt Size Description: 5/16 -18 x 3 1/2 (PT) Diameter/Nominal Size: 5/16 Length: 3 1/2 Thread Pitch: 18 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage:... more

    $100.86

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    1/4 -20 x 1 1/4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 100

    1/4 -20 x 1 1/4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 100

    PRODUCT SPECIFICATIONS Part #: 0000-111950 Fastener Type: Square Head Machine Bolt Size Description: 1/4 -20 x 1 1/4 Diameter/Nominal Size: 1/4 Length: 1 1/4 Thread Pitch: 20 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $38.64

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    5/16 -18 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 50

    5/16 -18 x 1 1/2 A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 50

    PRODUCT SPECIFICATIONS Part #: 0000-114913 Fastener Type: Square Head Machine Bolt Size Description: 5/16 -18 x 1 1/2 Diameter/Nominal Size: 5/16 Length: 1 1/2 Thread Pitch: 18 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material:... more

    $45.96

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    7/8-9 x 4 Square Head Machine Bolts / Steel / Plain (Quantity: 30 pcs)

    7/8-9 x 4 Square Head Machine Bolts / Steel / Plain (Quantity: 30 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $280.99

    FREE shipping

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    5/16-18 x 2 Square Head Machine Bolts / Steel / Plain (Quantity: 500 pcs)

    5/16-18 x 2 Square Head Machine Bolts / Steel / Plain (Quantity: 500 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $305.99

    FREE shipping

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    5/16-18 x 1 1/2 Square Head Machine Bolts / Steel / Plain (Quantity: 600 pcs)

    5/16-18 x 1 1/2 Square Head Machine Bolts / Steel / Plain (Quantity: 600 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $314.99

    FREE shipping

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    3/8-16 x 1 Square Head Machine Bolts / Steel / Plain (Quantity: 600 pcs)

    3/8-16 x 1 Square Head Machine Bolts / Steel / Plain (Quantity: 600 pcs)

    Square Machine Bolts Manufactured to ASME B18.2.1 specifications Tensile Strength more

    $324.99

    FREE shipping

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    1/2-13X6 Square Head Machine Bolt Plain (Pack Qty 100) BC-5096BMQ

    1/2-13X6 Square Head Machine Bolt Plain (Pack Qty 100) BC-5096BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $353.46

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    5/8-11X3 1/2 Square Head Machine Bolt Plain (Pack Qty 75) BC-6256BMQ

    5/8-11X3 1/2 Square Head Machine Bolt Plain (Pack Qty 75) BC-6256BMQ

    PICTURES ARE REPRESENTATIVE OF ITEM BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions finish head markings thread length stamping shape or forging shape etc. may differ from picture. Products are guaranteed to meet the specifications to which they are... more

    $258.59

    FREE shipping

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    1/4 -20 x 4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 350

    1/4 -20 x 4 A307 Grade A Square Head Machine Bolt Low Carbon Steel Zinc Plated Pk 350

    PRODUCT SPECIFICATIONS Part #: 0000-116904 Fastener Type: Square Head Machine Bolt Size Description: 1/4 -20 x 4 Diameter/Nominal Size: 1/4 Length: 4 Thread Pitch: 20 Thread Direction: Right System of Measurement: Inch Grade: A (2) Material: Low Carbon... more

    $187.65

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