► 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 - 5/8"-11x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt Zinc-clear Cr+3 UNC | 453442
    BBI - 5/8"-11x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt Zinc-clear Cr+3 UNC | 453442
    BBI - 5/8"-11x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt Zinc-clear Cr+3 UNC | 453442This BBI 5/8"-11x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x3 Thread: UNC Grade: Grade 8 for...
    $5.66
    $5.66
  • BBI - 5/8"-11x3" (Pt) - Imperial Grade 8 Hex Bolt Zinc-clear Cr+3 UNC | 453440
    BBI - 5/8"-11x3" (Pt) - Imperial Grade 8 Hex Bolt Zinc-clear Cr+3 UNC | 453440
    BBI - 5/8"-11x3" (Pt) - Imperial Grade 8 Hex Bolt Zinc-clear Cr+3 UNC | 453440This BBI 5/8"-11x3" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x3" Thread: UNC Grade: Grade 8 for reliable...
    $6.00
    $6.00
  • BBI - 5/8"-18x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451638
    BBI - 5/8"-18x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451638
    BBI - 5/8"-18x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451638This BBI 5/8"-18x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x3 Thread: UNF Grade: Grade 8 for reliable strength...
    $6.38
    $6.38
  • BBI - 5/8"-18x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451635
    BBI - 5/8"-18x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451635
    BBI - 5/8"-18x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451635This BBI 5/8"-18x2 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x2 Thread: UNF Grade: Grade 8 for reliable strength...
    $4.37
    $4.37
  • BBI - 5/8"-18x2 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451634
    BBI - 5/8"-18x2 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451634
    BBI - 5/8"-18x2 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451634This BBI 5/8"-18x2 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x2 Thread: UNF Grade: Grade 8 for reliable strength...
    $5.13
    $5.13
  • BBI - 5/8"-18x2 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451633
    BBI - 5/8"-18x2 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451633
    BBI - 5/8"-18x2 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451633This BBI 5/8"-18x2 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x2 Thread: UNF Grade: Grade 8 for reliable strength...
    $3.99
    $3.99
  • BBI - 5/8"-11x6" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451624
    BBI - 5/8"-11x6" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451624
    BBI - 5/8"-11x6" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451624This BBI 5/8"-11x6" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x6" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $9.89
    $9.89
  • BBI - 5/8"-11x5 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451622
    BBI - 5/8"-11x5 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451622
    BBI - 5/8"-11x5 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451622This BBI 5/8"-11x5 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x5 Thread: UNC Grade: Grade 8 for reliable strength...
    $7.98
    $7.98
  • BBI - 5/8"-11x5" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451619
    BBI - 5/8"-11x5" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451619
    BBI - 5/8"-11x5" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451619This BBI 5/8"-11x5" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x5" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $7.90
    $7.90
  • BBI - 5/8"-11x4 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451617
    BBI - 5/8"-11x4 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451617
    BBI - 5/8"-11x4 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451617This BBI 5/8"-11x4 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x4 Thread: UNC Grade: Grade 8 for reliable strength...
    $7.12
    $7.12
  • BBI - 5/8"-11x4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451615
    BBI - 5/8"-11x4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451615
    BBI - 5/8"-11x4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451615This BBI 5/8"-11x4" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x4" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $6.42
    $6.42
  • BBI - 5/8"-11x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451614
    BBI - 5/8"-11x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451614
    BBI - 5/8"-11x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451614This BBI 5/8"-11x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x3 Thread: UNC Grade: Grade 8 for reliable strength...
    $6.38
    $6.38
  • BBI - 5/8"-11x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451613
    BBI - 5/8"-11x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451613
    BBI - 5/8"-11x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451613This BBI 5/8"-11x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x3 Thread: UNC Grade: Grade 8 for reliable strength...
    $5.20
    $5.20
  • BBI - 5/8"-11x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451612
    BBI - 5/8"-11x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451612
    BBI - 5/8"-11x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451612This BBI 5/8"-11x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x3 Thread: UNC Grade: Grade 8 for reliable strength...
    $5.06
    $5.06
  • BBI - 5/8"-11x3" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451611
    BBI - 5/8"-11x3" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451611
    BBI - 5/8"-11x3" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451611This BBI 5/8"-11x3" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x3" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $5.04
    $5.04
  • BBI - 5/8"-18x16" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451216
    BBI - 5/8"-18x16" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451216
    BBI - 5/8"-18x16" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451216This BBI 5/8"-18x16" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x16" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $59.52
    $59.52
  • BBI - 5/8"-18x15" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451214
    BBI - 5/8"-18x15" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451214
    BBI - 5/8"-18x15" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451214This BBI 5/8"-18x15" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x15" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $49.34
    $49.34
  • BBI - 5/8"-18x14" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451208
    BBI - 5/8"-18x14" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451208
    BBI - 5/8"-18x14" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451208This BBI 5/8"-18x14" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x14" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $41.57
    $41.57
  • BBI - 5/8"-18x13" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451202
    BBI - 5/8"-18x13" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451202
    BBI - 5/8"-18x13" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451202This BBI 5/8"-18x13" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x13" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $38.20
    $38.20
  • BBI - 5/8"-18x12" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451196
    BBI - 5/8"-18x12" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451196
    BBI - 5/8"-18x12" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451196This BBI 5/8"-18x12" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x12" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $19.27
    $19.27

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