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5/16UNC Hex Bolts Stainless Steel

Description

5/16” UNC Hex Head Bolts – 316 Stainless Steel for Reliable, Corrosion-Resistant Fastening

Our 5/16 inch UNC hex head bolts are manufactured from high-quality 316 stainless steel, delivering excellent strength, corrosion resistance, and long-lasting performance. Featuring a Unified National Coarse (UNC) thread, these bolts provide secure fastening with easy alignment, making them ideal for a variety of light to medium-duty applications.

With a standard hex head, they’re easy to install using spanners or sockets—perfect for use in marine fittings, brackets, framing, light structural assemblies, and outdoor projects.

Key Features of 5/16" UNC Stainless Steel Hex Head Bolts:

  • Made from 316 stainless steel for superior resistance to rust and corrosion

  • 5/16” UNC coarse thread – strong and easy to install

  • Hex head for quick tightening with standard tools

  • Ideal for marine use, outdoor construction, light framing, and hardware assemblies

  • Compatible with UNC stainless steel nuts and washers

  • Available in various lengths to suit your project needs

  • Suitable for trade, construction, marine, and DIY applications

  • Supplied in bulk packs or trade quantities with fast delivery

Choose our 5/16” UNC stainless steel hex head bolts for dependable, rust-resistant fastening in demanding environments.

Code Image Product Name Grade Price Quantity
3161777
Hex Bolt 5\16UNC x 1.1\2 304 x 1
Hex Bolt 5\16UNC x 1.1\2 304 x 1
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304
$2.10
3161778
Hex Bolt 5\16UNC x 1.1\2 316 x 1
Hex Bolt 5\16UNC x 1.1\2 316 x 1
More Info
316
$1.64
3161779
Hex Bolt 5\16UNC x 1.3\4 304 x 1
Hex Bolt 5\16UNC x 1.3\4 304 x 1
More Info
304
$1.55
3161780
Hex Bolt 5\16UNC x 1.3\4 316 x 1
Hex Bolt 5\16UNC x 1.3\4 316 x 1
More Info
316
$1.67
3161781
Hex Bolt 5\16UNC x 2 304 x 1
Hex Bolt 5\16UNC x 2 304 x 1
More Info
304
$1.58
3161782
Hex Bolt 5\16UNC x 2 316 x 1
Hex Bolt 5\16UNC x 2 316 x 1
More Info
316
$1.88
3161785
Hex Bolt 5\16UNC x 2.1\4 304 x 1
Hex Bolt 5\16UNC x 2.1\4 304 x 1
More Info
304
$1.88
3161783
Hex Bolt 5\16UNC x 2.1\2 304 x 1
Hex Bolt 5\16UNC x 2.1\2 304 x 1
More Info
304
$1.98
3161787
Hex Bolt 5\16UNC x 2.3\4 304 x 1
Hex Bolt 5\16UNC x 2.3\4 304 x 1
More Info
304
$2.70
3161786
Hex Bolt 5\16UNC x 2.1\4 316 x 1
Hex Bolt 5\16UNC x 2.1\4 316 x 1
More Info
316
$3.00
3161784
Hex Bolt 5\16UNC x 2.1\2 316 x 1
Hex Bolt 5\16UNC x 2.1\2 316 x 1
More Info
316
$3.35
3161788
Hex Bolt 5\16UNC x 3 304 x 1
Hex Bolt 5\16UNC x 3 304 x 1
More Info
304
$2.36
3161789
Hex Bolt 5\16UNC x 3 316 x 1
Hex Bolt 5\16UNC x 3 316 x 1
More Info
316
$3.68
3161790
Hex Bolt 5\16UNC x 3.1\4 304 x 1
Hex Bolt 5\16UNC x 3.1\4 304 x 1
More Info
304
$3.07
3161791
Hex Bolt 5\16UNC x 3.1\4 316 x 1
Hex Bolt 5\16UNC x 3.1\4 316 x 1
More Info
316
$4.38
3161792
Hex Bolt 5\16UNC x 4 304 x 1
Hex Bolt 5\16UNC x 4 304 x 1
More Info
304
$3.38
3161793
Hex Bolt 5\16UNC x 4 316 x 1
Hex Bolt 5\16UNC x 4 316 x 1
More Info
316
$3.55
3161794
Hex Bolt 5\16UNC x 4.1\2 304 x 1
Hex Bolt 5\16UNC x 4.1\2 304 x 1
More Info
304
$4.11
3161795
Hex Bolt 5\16UNC x 4.1\2 316 x 1
Hex Bolt 5\16UNC x 4.1\2 316 x 1
More Info
316
$5.17
3161796
Hex Bolt 5\16UNC x 5 304 x 1
Hex Bolt 5\16UNC x 5 304 x 1
More Info
304
$4.90
3161797
Hex Bolt 5\16UNC x 5 316 x 1
Hex Bolt 5\16UNC x 5 316 x 1
More Info
316
$5.75
3161798
Hex Bolt 5\16UNC x 5.1\2 304 x 1
Hex Bolt 5\16UNC x 5.1\2 304 x 1
More Info
304
$2.20
3161799
Hex Bolt 5\16UNC x 5.1\2 316 x 1
Hex Bolt 5\16UNC x 5.1\2 316 x 1
More Info
316
$2.46
3161800
Hex Bolt 5\16UNC x 6 304 x 1
Hex Bolt 5\16UNC x 6 304 x 1
More Info
304
$6.41
3161801
Hex Bolt 5\16UNC x 6 316 x 1
Hex Bolt 5\16UNC x 6 316 x 1
More Info
316
$7.35
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