► 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"-18x11" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451190
    BBI - 5/8"-18x11" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451190
    BBI - 5/8"-18x11" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451190This BBI 5/8"-18x11" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x11" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $17.98
    $17.98
  • BBI - 5/8"-18x10" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451138
    BBI - 5/8"-18x10" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451138
    BBI - 5/8"-18x10" (Pt) - Imperial Grade 8 Hex Bolt UNF | 451138This BBI 5/8"-18x10" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x10" Thread: UNF Grade: Grade 8 for reliable strength Material:...
    $17.30
    $17.30
  • BBI - 5/8"-11x9 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451127
    BBI - 5/8"-11x9 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451127
    BBI - 5/8"-11x9 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451127This BBI 5/8"-11x9 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x9 Thread: UNC Grade: Grade 8 for reliable strength...
    $14.12
    $14.12
  • BBI - 5/8"-11x9" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451126
    BBI - 5/8"-11x9" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451126
    BBI - 5/8"-11x9" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451126This BBI 5/8"-11x9" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x9" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $15.96
    $15.96
  • BBI - 5/8"-11x8 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451125
    BBI - 5/8"-11x8 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451125
    BBI - 5/8"-11x8 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451125This BBI 5/8"-11x8 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x8 Thread: UNC Grade: Grade 8 for reliable strength...
    $13.70
    $13.70
  • BBI - 5/8"-11x8" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451124
    BBI - 5/8"-11x8" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451124
    BBI - 5/8"-11x8" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451124This BBI 5/8"-11x8" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x8" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $12.77
    $12.77
  • BBI - 5/8"-11x7 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451123
    BBI - 5/8"-11x7 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451123
    BBI - 5/8"-11x7 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451123This BBI 5/8"-11x7 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x7 Thread: UNC Grade: Grade 8 for reliable strength...
    $11.28
    $11.28
  • BBI - 5/8"-11x7" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451121
    BBI - 5/8"-11x7" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451121
    BBI - 5/8"-11x7" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451121This BBI 5/8"-11x7" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x7" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $12.17
    $12.17
  • BBI - 5/8"-11x6 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451120
    BBI - 5/8"-11x6 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451120
    BBI - 5/8"-11x6 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451120This 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...
    $11.00
    $11.00
  • BBI - 5/8"-11x9" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440850
    BBI - 5/8"-11x9" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440850
    BBI - 5/8"-11x9" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440850This BBI 5/8"-11x9" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x9" Thread: UNC Finish: Zinc Yellow Plated for...
    $144.30
    $144.30
  • BBI - 5/8"-18x2 3/4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440538
    BBI - 5/8"-18x2 3/4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440538
    BBI - 5/8"-18x2 3/4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440538This 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 Finish: Zinc Yellow Plated...
    $29.27
    $29.27
  • BBI - 5/8"-18x2 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440536
    BBI - 5/8"-18x2 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440536
    BBI - 5/8"-18x2 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440536This 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 Finish: Zinc Yellow Plated...
    $27.12
    $27.12
  • BBI - 5/8"-18x2 1/4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440534
    BBI - 5/8"-18x2 1/4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440534
    BBI - 5/8"-18x2 1/4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440534This 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 Finish: Zinc Yellow Plated...
    $25.71
    $25.71
  • BBI - 5/8"-18x2" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440532
    BBI - 5/8"-18x2" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440532
    BBI - 5/8"-18x2" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440532This 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 Finish: Zinc Yellow Plated for...
    $23.96
    $23.96
  • BBI - 5/8"-18x1 3/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440530
    BBI - 5/8"-18x1 3/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440530
    BBI - 5/8"-18x1 3/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440530This BBI 5/8"-18x1 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x1 Thread: UNF Finish: Zinc Yellow Plated...
    $22.54
    $22.54
  • BBI - 5/8"-18x1 1/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440526
    BBI - 5/8"-18x1 1/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440526
    BBI - 5/8"-18x1 1/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440526This BBI 5/8"-18x1 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x1 Thread: UNF Finish: Zinc Yellow Plated...
    $20.74
    $20.74
  • BBI - 5/8"-18x1" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440524
    BBI - 5/8"-18x1" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440524
    BBI - 5/8"-18x1" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440524This BBI 5/8"-18x1" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-18x1" Thread: UNF Finish: Zinc Yellow Plated for...
    $19.17
    $19.17
  • BBI - 5/8"-11x8" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440522
    BBI - 5/8"-11x8" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440522
    BBI - 5/8"-11x8" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440522This BBI 5/8"-11x8" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x8" Thread: UNC Finish: Zinc Yellow Plated for...
    $118.26
    $118.26
  • BBI - 5/8"-11x7" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440518
    BBI - 5/8"-11x7" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440518
    BBI - 5/8"-11x7" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440518This BBI 5/8"-11x7" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 5/8"-11x7" Thread: UNC Finish: Zinc Yellow Plated for...
    $93.07
    $93.07
  • BBI - 5/8"-11x6" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440514
    BBI - 5/8"-11x6" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440514
    BBI - 5/8"-11x6" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440514This 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 Finish: Zinc Yellow Plated for...
    $60.28
    $60.28

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