► 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 - 3/8"-16x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451429
    BBI - 3/8"-16x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451429
    BBI - 3/8"-16x3 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451429This BBI 3/8"-16x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x3 Thread: UNC Grade: Grade 8 for reliable strength...
    $2.61
    $2.61
  • BBI - 3/8"-16x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451428
    BBI - 3/8"-16x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451428
    BBI - 3/8"-16x3 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451428This BBI 3/8"-16x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x3 Thread: UNC Grade: Grade 8 for reliable strength...
    $1.66
    $1.66
  • BBI - 3/8"-16x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451427
    BBI - 3/8"-16x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451427
    BBI - 3/8"-16x3 1/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451427This BBI 3/8"-16x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x3 Thread: UNC Grade: Grade 8 for reliable strength...
    $1.87
    $1.87
  • BBI - 3/8"-16x3" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451426
    BBI - 3/8"-16x3" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451426
    BBI - 3/8"-16x3" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451426This BBI 3/8"-16x3" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x3" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $1.66
    $1.66
  • BBI - 3/8"-16x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451425
    BBI - 3/8"-16x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451425
    BBI - 3/8"-16x2 3/4" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451425This BBI 3/8"-16x2 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x2 Thread: UNC Grade: Grade 8 for reliable strength...
    $1.62
    $1.62
  • BBI - 3/8"-16x2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451421
    BBI - 3/8"-16x2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451421
    BBI - 3/8"-16x2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451421This BBI 3/8"-16x2" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x2" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $1.21
    $1.21
  • BBI - 3/8"-16x9" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451078
    BBI - 3/8"-16x9" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451078
    BBI - 3/8"-16x9" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451078This BBI 3/8"-16x9" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x9" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $11.14
    $11.14
  • BBI - 3/8"-16x8" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451077
    BBI - 3/8"-16x8" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451077
    BBI - 3/8"-16x8" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451077This BBI 3/8"-16x8" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x8" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $10.00
    $10.00
  • BBI - 3/8"-16x7 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451075
    BBI - 3/8"-16x7 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451075
    BBI - 3/8"-16x7 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451075This BBI 3/8"-16x7 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x7 Thread: UNC Grade: Grade 8 for reliable strength...
    $9.67
    $9.67
  • BBI - 3/8"-16x7" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451074
    BBI - 3/8"-16x7" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451074
    BBI - 3/8"-16x7" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451074This BBI 3/8"-16x7" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x7" Thread: UNC Grade: Grade 8 for reliable strength Material:...
    $9.25
    $9.25
  • BBI - 3/8"-16x6 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451072
    BBI - 3/8"-16x6 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451072
    BBI - 3/8"-16x6 1/2" (Pt) - Imperial Grade 8 Hex Bolt UNC | 451072This BBI 3/8"-16x6 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x6 Thread: UNC Grade: Grade 8 for reliable strength...
    $8.38
    $8.38
  • BBI - 3/8"-24x1 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440224
    BBI - 3/8"-24x1 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440224
    BBI - 3/8"-24x1 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNF | 440224This BBI 3/8"-24x1 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-24x1 Thread: UNF Finish: Zinc Yellow Plated...
    $6.66
    $6.66
  • BBI - 3/8"-16x6" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440210
    BBI - 3/8"-16x6" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440210
    BBI - 3/8"-16x6" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440210This BBI 3/8"-16x6" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x6" Thread: UNC Finish: Zinc Yellow Plated for...
    $30.14
    $30.14
  • BBI - 3/8"-16x5" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440206
    BBI - 3/8"-16x5" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440206
    BBI - 3/8"-16x5" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440206This BBI 3/8"-16x5" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x5" Thread: UNC Finish: Zinc Yellow Plated for...
    $25.74
    $25.74
  • BBI - 3/8"-16x4 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440204
    BBI - 3/8"-16x4 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440204
    BBI - 3/8"-16x4 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440204This BBI 3/8"-16x4 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x4 Thread: UNC Finish: Zinc Yellow Plated...
    $21.79
    $21.79
  • BBI - 3/8"-16x4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440202
    BBI - 3/8"-16x4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440202
    BBI - 3/8"-16x4" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440202This BBI 3/8"-16x4" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x4" Thread: UNC Finish: Zinc Yellow Plated for...
    $17.81
    $17.81
  • BBI - 3/8"-16x3 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440198
    BBI - 3/8"-16x3 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440198
    BBI - 3/8"-16x3 1/2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440198This BBI 3/8"-16x3 is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x3 Thread: UNC Finish: Zinc Yellow Plated...
    $13.32
    $13.32
  • BBI - 3/8"-16x3" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440194
    BBI - 3/8"-16x3" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440194
    BBI - 3/8"-16x3" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440194This BBI 3/8"-16x3" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x3" Thread: UNC Finish: Zinc Yellow Plated for...
    $10.07
    $10.07
  • BBI - 3/8"-16x2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440186
    BBI - 3/8"-16x2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440186
    BBI - 3/8"-16x2" (Pt) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440186This BBI 3/8"-16x2" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x2" Thread: UNC Finish: Zinc Yellow Plated for...
    $7.39
    $7.39
  • BBI - 3/8"-16x3/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440174
    BBI - 3/8"-16x3/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440174
    BBI - 3/8"-16x3/4" (Ft) - Imperial L-9 Hi-tensile Hex Bolts Zinc-yellow (u.s.a) UNC | 440174This BBI 3/8"-16x3/4" is a hex head bolt for structural and general fastening, tightened with a spanner or socket.► Key Features Size: 3/8"-16x3/4" Thread: UNC Finish: Zinc Yellow Plated for...
    $4.67
    $4.67

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