5/16"-24 Hex Cap Screws 18-8 Stainless Steel

5/16"-24 Stainless Steel Hex Cap Screws

Diameter - Thread Pitch: 5/16" - 24


  • 5/16"-24
  • Hexagon head designed to be driven by a wrench or socket
  • Called hex cap bolts or hex cap screws
  • 18-8 Stainless steel hex cap screws offer protection from weather and corrosive environments
  • Rust resistant in fresh water environments
  • For salt water environments use the 316 stainless steel version

Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded

Select Products Below
Product Specifications
Across Flats (Width)
1/2", Max 0.50 - Min 0.489
ASME
B18.2.1
Body Diameter
5/16" (Max 0.3113 - Min 0.3026)
Color
Silver
Corrosion Resistant
Yes
Diameter
5/16"
Drive Style
External Hex
Head Height
Basic 13/16", Max 0.211 - Min 0.195
Head Height Max
0.211
Head Style
Hex
Material
Stainless Steel 18-8
Product Type
Hex Cap Screws
Standards Met
ASME B18.2.1
Thread Direction
Right Hand
Thread Pitch (Count)
24
Thread Standard
UNF
Thread Type
Fine
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Width Across Corners
0.577
Wrench Size
1/2"
Select Products Below
Qty
Size
Select Package Quantity
SubTotal
5/16"-24 x 1/2" FT
SKU #88002
5/16"-24 x 1/2" FT
SKU #88002
1
$0.18 (0.18/ea)
25
$4.25 (0.17/ea)
100
$15.00 (0.15/ea)
1000
$140.00 (0.14/ea)
 
5/16"-24 x 5/8" FT
SKU #88012
5/16"-24 x 5/8" FT
SKU #88012
1
$0.20 (0.20/ea)
25
$4.75 (0.19/ea)
100
$17.00 (0.17/ea)
1000
$150.00 (0.15/ea)
 
5/16"-24 x 3/4" FT
SKU #88022
5/16"-24 x 3/4" FT
SKU #88022
1
$0.22 (0.22/ea)
25
$5.00 (0.20/ea)
100
$19.00 (0.19/ea)
1000
$170.00 (0.17/ea)
 
5/16"-24 x 7/8" FT
SKU #88032
5/16"-24 x 7/8" FT
SKU #88032
1
$0.24 (0.24/ea)
25
$5.50 (0.22/ea)
100
$20.00 (0.20/ea)
1000
$180.00 (0.18/ea)
 
5/16"-24 x 1" FT
SKU #88042
5/16"-24 x 1" FT
SKU #88042
1
$0.26 (0.26/ea)
25
$6.00 (0.24/ea)
100
$22.00 (0.22/ea)
1000
$190.00 (0.19/ea)
 
5/16"-24 x 1-1/4" FT
SKU #88052
5/16"-24 x 1-1/4" FT
SKU #88052
1
$0.31 (0.31/ea)
25
$7.00 (0.28/ea)
100
$26.00 (0.26/ea)
1000
$230.00 (0.23/ea)
 
5/16"-24 x 1-1/2" PT
SKU #88062
5/16"-24 x 1-1/2" PT
SKU #88062
1
$0.36 (0.36/ea)
25
$8.25 (0.33/ea)
100
$30.00 (0.30/ea)
1000
$270.00 (0.27/ea)
 
5/16"-24 x 1-3/4" PT
SKU #88072
5/16"-24 x 1-3/4" PT
SKU #88072
1
$0.41 (0.41/ea)
25
$9.50 (0.38/ea)
100
$34.00 (0.34/ea)
1000
$310.00 (0.31/ea)
 
5/16"-24 x 2" PT
SKU #88082
5/16"-24 x 2" PT
SKU #88082
1
$0.46 (0.46/ea)
25
$10.50 (0.42/ea)
100
$39.00 (0.39/ea)
1000
$350.00 (0.35/ea)
 
5/16"-24 x 2-1/4" PT
SKU #88092
5/16"-24 x 2-1/4" PT
SKU #88092
1
$0.51 (0.51/ea)
25
$11.75 (0.47/ea)
100
$43.00 (0.43/ea)
1000
$380.00 (0.38/ea)
 
5/16"-24 x 2-1/2" PT
SKU #88102
5/16"-24 x 2-1/2" PT
SKU #88102
1
$0.56 (0.56/ea)
25
$12.75 (0.51/ea)
100
$47.00 (0.47/ea)
1000
$420.00 (0.42/ea)
 
5/16"-24 x 2-3/4" PT
SKU #88112
5/16"-24 x 2-3/4" PT
SKU #88112
1
$0.61 (0.61/ea)
25
$14.00 (0.56/ea)
100
$51.00 (0.51/ea)
1000
$460.00 (0.46/ea)
 
5/16"-24 x 3" PT
SKU #88122
5/16"-24 x 3" PT
SKU #88122
1
$0.66 (0.66/ea)
25
$15.25 (0.61/ea)
100
$55.00 (0.55/ea)
1000
$500.00 (0.50/ea)
 
5/16"-24 x 3-1/4" PT
SKU #88132
5/16"-24 x 3-1/4" PT
SKU #88132
1
$0.71 (0.71/ea)
25
$16.25 (0.65/ea)
100
$59.00 (0.59/ea)
1000
$530.00 (0.53/ea)
 
5/16"-24 x 3-1/2" PT
SKU #88142
5/16"-24 x 3-1/2" PT
SKU #88142
1
$0.76 (0.76/ea)
25
$17.25 (0.69/ea)
100
$63.00 (0.63/ea)
1000
$570.00 (0.57/ea)
 
5/16"-24 x 3-3/4" PT
SKU #88152
5/16"-24 x 3-3/4" PT
SKU #88152
1
$0.81 (0.81/ea)
25
$18.50 (0.74/ea)
100
$68.00 (0.68/ea)
1000
$610.00 (0.61/ea)
 
5/16"-24 x 4" PT
SKU #88162
5/16"-24 x 4" PT
SKU #88162
1
$0.86 (0.86/ea)
25
$19.75 (0.79/ea)
100
$72.00 (0.72/ea)
1000
$660.00 (0.66/ea)
 
5/16"-24 x 4-1/2" PT
SKU #88172
5/16"-24 x 4-1/2" PT
SKU #88172
1
$0.96 (0.96/ea)
25
$22.00 (0.88/ea)
100
$80.00 (0.80/ea)
1000
$720.00 (0.72/ea)
 
5/16"-24 x 5" PT
SKU #88182
5/16"-24 x 5" PT
SKU #88182
1
$1.06 (1.06/ea)
25
$24.25 (0.97/ea)
100
$88.00 (0.88/ea)
1000
$790.00 (0.79/ea)
 
5/16"-24 x 5-1/2" PT
SKU #88192
5/16"-24 x 5-1/2" PT
SKU #88192
1
$1.16 (1.16/ea)
25
$26.50 (1.06/ea)
100
$96.00 (0.96/ea)
1000
$870.00 (0.87/ea)
 
5/16"-24 x 6" PT
SKU #88202
5/16"-24 x 6" PT
SKU #88202
1
$1.26 (1.26/ea)
25
$28.75 (1.15/ea)
100
$105.00 (1.05/ea)
1000
$940.00 (0.94/ea)