► Hex Bolt

Hex Bolts – Heavy-Duty Fasteners for Steel, Timber & Structural Fixing Our range of hex bolts is built for construction, fabrication, mechanical assembly, & infrastructure work. These bolts feature a six-sided head for easy wrench application & are available in fully threaded or partially threaded shanks. With options in high-tensile steel, hot-dip galvanised, & stainless steel...

Hex Bolts – Heavy-Duty Fasteners for Steel, Timber & Structural Fixing

Our range of hex bolts is built for construction, fabrication, mechanical assembly, & infrastructure work. These bolts feature a six-sided head for easy wrench application & are available in fully threaded or partially threaded shanks. With options in high-tensile steel, hot-dip galvanised, & stainless steel finishes, they provide dependable strength for steel-to-steel, timber-to-timber, & steel-to-timber connections across all job types.

What’s in This Collection:
► Galvanised hex bolts for structural & outdoor use
► Stainless steel hex bolts for corrosion resistance
► High-tensile steel bolts for machinery & engineering
► Full & partial thread options in stock
► Metric & imperial sizes available
► Nuts & washers sold separately or in bolt packs

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  • BBI - 5/16"-24x5" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451406
    BBI - 5/16"-24x5" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451406
    BBI - 5/16"-24x5" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451406This BBI 5/16"-24x5" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x5" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $5.83
    $5.83
  • BBI - 5/16"-24x4 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451404
    BBI - 5/16"-24x4 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451404
    BBI - 5/16"-24x4 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451404This BBI 5/16"-24x4 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x4 Thread: UNF Grade: Grade 8 for reliable strength...
    $5.43
    $5.43
  • BBI - 5/16"-24x4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451403
    BBI - 5/16"-24x4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451403
    BBI - 5/16"-24x4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451403This BBI 5/16"-24x4" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x4" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $1.26
    $1.26
  • BBI - 5/16"-24x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451402
    BBI - 5/16"-24x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451402
    BBI - 5/16"-24x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451402This BBI 5/16"-24x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x3 Thread: UNF Grade: Grade 8 for reliable strength...
    $1.66
    $1.66
  • BBI - 5/16"-24x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451401
    BBI - 5/16"-24x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451401
    BBI - 5/16"-24x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451401This BBI 5/16"-24x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x3 Thread: UNF Grade: Grade 8 for reliable strength...
    $1.05
    $1.05
  • BBI - 5/16"-24x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451399
    BBI - 5/16"-24x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451399
    BBI - 5/16"-24x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451399This BBI 5/16"-24x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x3 Thread: UNF Grade: Grade 8 for reliable strength...
    $0.98
    $0.98
  • BBI - 5/16"-24x3" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451398
    BBI - 5/16"-24x3" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451398
    BBI - 5/16"-24x3" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451398This BBI 5/16"-24x3" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x3" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $1.06
    $1.06
  • BBI - 5/16"-24x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451397
    BBI - 5/16"-24x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451397
    BBI - 5/16"-24x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451397This BBI 5/16"-24x2 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x2 Thread: UNF Grade: Grade 8 for reliable strength...
    $1.24
    $1.24
  • BBI - 5/16"-24x2 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451396
    BBI - 5/16"-24x2 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451396
    BBI - 5/16"-24x2 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451396This BBI 5/16"-24x2 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x2 Thread: UNF Grade: Grade 8 for reliable strength...
    $0.78
    $0.78
  • BBI - 5/16"-24x2 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451395
    BBI - 5/16"-24x2 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451395
    BBI - 5/16"-24x2 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451395This BBI 5/16"-24x2 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x2 Thread: UNF Grade: Grade 8 for reliable strength...
    $1.06
    $1.06
  • BBI - 5/16"-24x2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451394
    BBI - 5/16"-24x2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451394
    BBI - 5/16"-24x2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451394This BBI 5/16"-24x2" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x2" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $0.67
    $0.67
  • BBI - 5/8"-11x16" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451186
    BBI - 5/8"-11x16" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451186
    BBI - 5/8"-11x16" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451186This BBI 5/8"-11x16" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x16" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $55.36
    $55.36
  • BBI - 5/8"-11x15" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451184
    BBI - 5/8"-11x15" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451184
    BBI - 5/8"-11x15" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451184This BBI 5/8"-11x15" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x15" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $36.79
    $36.79
  • BBI - 5/8"-11x14" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451178
    BBI - 5/8"-11x14" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451178
    BBI - 5/8"-11x14" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451178This BBI 5/8"-11x14" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x14" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $25.33
    $25.33
  • BBI - 5/8"-11x13" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451172
    BBI - 5/8"-11x13" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451172
    BBI - 5/8"-11x13" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451172This BBI 5/8"-11x13" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x13" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $20.54
    $20.54
  • BBI - 5/8"-11x12" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451166
    BBI - 5/8"-11x12" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451166
    BBI - 5/8"-11x12" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451166This BBI 5/8"-11x12" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x12" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $20.70
    $20.70
  • BBI - 5/8"-11x11" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451158
    BBI - 5/8"-11x11" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451158
    BBI - 5/8"-11x11" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451158This BBI 5/8"-11x11" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x11" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $17.45
    $17.45
  • BBI - 5/8"-11x10" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451129
    BBI - 5/8"-11x10" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451129
    BBI - 5/8"-11x10" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451129This BBI 5/8"-11x10" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x10" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $15.38
    $15.38
  • BBI - 5/16"-24x8" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451071
    BBI - 5/16"-24x8" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451071
    BBI - 5/16"-24x8" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451071This BBI 5/16"-24x8" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x8" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $9.76
    $9.76
  • BBI - 5/16"-24x7" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451068
    BBI - 5/16"-24x7" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451068
    BBI - 5/16"-24x7" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451068This BBI 5/16"-24x7" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/16"-24x7" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $9.07
    $9.07

Workhorse Bolts for Every Build

Hex bolts are the workhorse of the fastening world. Whether you're anchoring steel beams, assembling heavy frames, or installing industrial plant equipment, we supply bolts built to handle the stress.

► High-strength bolts for structural integrity

► Finish options to suit every trade & environment

► Available in bulk for workshops & site crews

Frequently Asked Questions

Yes—our galvanised & stainless steel hex bolts are corrosion-resistant, ideal for external & coastal applications.

Hex bolts can be driven with spanners, sockets, or impact drivers. Use torque settings when specified for structural integrity. ► Do I need to use washers with hex bolts?

Washers help distribute load & prevent damage to the fixing surface. They’re highly recommended for most applications.

Brands

Bare-Co

Bare-Co
BBI

BBI
Bremick

Bremick
Champion

Champion
Hobsons

Hobsons
Macsim

Macsim
Torres

Torres