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5/16" Hex Bolts Zinc Plated Steel Grade 2
5/16" Hex Bolts Zinc Plated Steel Grade 2
Please Note: We try very hard to present accurate product images, but product changes occur constantly. All images should be considered approximations. If a particular product feature, color or characteristic is especially important, please call us to verify that information before placing your order. Thank you.
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5/16-18 Hex Bolts Grade 2

  • Bright (silver) zinc plated for rust protection
  • Low or Medium carbon steel
  • Coarse thread pitch only

  • 30% Discount on Full Box Quantities

Stocking Data is current as of 6/16/2025 12:45:02 PM CT

Product SKU Mfr Part # Selling Unit Qty Avail/Qty On-order Price Order
5/16-18 X 1/2 Hex Bolt Zinc Steel Grade 2 HB516.12 COX-111369 EA 300/0In Stock
1- 99
$.170
100-499
$.119
500+
$.111
5/16-18 X 3/4 Hex Bolt Zinc Steel Grade 2 HB516.34 COX-111370 EA 354/0In Stock
1- 99
$.230
100-499
$.161
500+
$.150
5/16-18 X 1 Hex Bolt Zinc Steel Grade 2 HB516.1 COX-111371 EA 372/0In Stock
1- 99
$.270
100-499
$.189
500+
$.176
5/16-18 X 1-1/4 Hex Bolt Zinc Steel Grade 2 HB516.114 COX-111373 EA 368/0In Stock
1- 99
$.320
100-499
$.224
500+
$.208
5/16-18 X 1-1/2 Hex Bolt Zinc Steel Grade 2 HB516.112 COX-111374 EA 284/100In Stock
1- 99
$.340
100-499
$.238
500+
$.221
5/16-18 X 1-3/4 Hex Bolt Zinc Steel Grade 2 HB516.134 COX-111375 EA 147/0In Stock
1- 99
$.540
100-499
$.378
500+
$.351
5/16-18 X 2 Hex Bolt Zinc Steel Grade 2 HB516.2 COX-111376 EA 225/100In Stock
1- 99
$.590
100-499
$.413
500+
$.384
5/16-18 X 2-1/2 Hex Bolt Zinc Steel Grade 2 HB516.212 COX-111377 EA 150/0In Stock
1- 99
$.620
100-499
$.434
500+
$.403
5/16-18 X 3 Hex Bolt Zinc Steel Grade 2 HB516.3 COX-111378 EA 195/0In Stock
1- 99
$.690
100-499
$.483
500+
$.449
5/16-18 X 3-1/2 Hex Bolt Zinc Steel Grade 2 HB516.312 COX-110843 EA 45/0In Stock
1- 49
$.790
50-249
$.553
250+
$.514
5/16-18 X 4 Hex Bolt Zinc Steel Grade 2 HB516.4 COX-110844 EA 97/0In Stock
1- 49
$.930
50-249
$.651
250+
$.605
5/16-18 X 4-1/2 Hex Bolt Zinc Steel Grade 2 HB516.412 COX-110845 EA 52/0In Stock
1- 49
$.950
50-249
$.665
250+
$.618
5/16-18 X 5 Hex Bolt Zinc Steel Grade 2 HB516.5 COX-110846 EA 46/0In Stock
1- 49
$1.010
50-249
$.707
250+
$.657
5/16-18 X 5-1/2 Hex Bolt Zinc Steel Grade 2 HB516.512 2C516512 EA 27/0In Stock
1- 49
$1.110
50-249
$.777
250+
$.722
5/16-18 X 6 Hex Bolt Zinc Steel Grade 2 HB516.6 HTB5166 EA 38/0In Stock
1- 49
$1.210
50-249
$.847
250+
$.787
5/16-18 X 6-1/2 Hex Bolt Zinc Steel Grade 2 HB516.612 2C516612 EA 16/0In Stock
1- 49
$1.500
50-249
$1.050
250+
$.975
5/16-18 X 7 Hex Bolt Zinc Steel Grade 2 HB516.7 COX-110865 EA 49/0In Stock
1- 49
$1.990
50-249
$1.393
250+
$1.294
5/16-18 X 8 Hex Bolt Zinc Steel Grade 2 HB516.8 2C5168 EA 21/0In Stock
1- 49
$2.180
50-249
$1.526
250+
$1.417