Hex Cap Screws 316 Stainless Steel 3/8-16"

3/8"-16 | 316 Stainless Steel Hex Cap Screws

Diameter - Thread Pitch: 3/8" - 16


  • 3/8"-16
  • Hexagon head designed to be driven by a wrench or socket
  • Also called hex cap bolts, hex bolts, tap bolts or hex cap screws
  • 316 Stainless Steel Hex Cap Screws are suitable for saltwater, marine and hash environment installations
  • Commonly used for:
    • Boats
    • Docks
    • Piers
    • Other harsh environments

A hex cap screw in smaller sizes may not have a shoulder. When a hex cap screw is fully threaded it can also be referred to as a tap bolt.

Hex Bolts are measured as: Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded


**3/8"-16 Hex Cap Screws listed as PT, usually have a threaded portion of about 1".
However, this can vary slightly from manufacturer to manufacturer.

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1/2 Full Thread
SKU #660012
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1/2 Full Thread
SKU #660012
1
NA
25
$10.75 (0.43/ea)
100
$33.00 (0.33/ea)
1000
$250.00 (0.25/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 5/8 Full Thread
SKU #660022
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 5/8 Full Thread
SKU #660022
1
NA
25
$11.25 (0.45/ea)
100
$36.00 (0.36/ea)
1000
$270.00 (0.27/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3/4 Full Thread
SKU #660032
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3/4 Full Thread
SKU #660032
1
NA
25
$12.00 (0.48/ea)
100
$40.00 (0.4/ea)
1000
$300.00 (0.3/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 7/8 Full Thread
SKU #660042
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 7/8 Full Thread
SKU #660042
1
NA
25
$13.00 (0.52/ea)
100
$44.00 (0.44/ea)
1000
$330.00 (0.33/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1 Full Thread
SKU #660052
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1 Full Thread
SKU #660052
1
NA
25
$15.50 (0.62/ea)
100
$57.00 (0.57/ea)
1000
$520.00 (0.52/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1-1/4 Full Thread
SKU #660072
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1-1/4 Full Thread
SKU #660072
1
$0.81 (0.81/ea)
25
$18.00 (0.72/ea)
100
$61.00 (0.61/ea)
1000
$450.00 (0.45/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1-1/2 Partial Thread
SKU #660092
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1-1/2 Partial Thread
SKU #660092
1
$0.88 (0.88/ea)
25
$19.75 (0.79/ea)
100
$67.00 (0.67/ea)
1000
$500.00 (0.5/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1-3/4 Partial Thread
SKU #660102
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 1-3/4 Partial Thread
SKU #660102
1
$1.05 (1.05/ea)
25
$23.50 (0.94/ea)
100
$80.00 (0.8/ea)
1000
$590.00 (0.59/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2 Partial Thread
SKU #660112
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2 Partial Thread
SKU #660112
1
$1.31 (1.31/ea)
25
$29.25 (1.17/ea)
100
$98.00 (0.98/ea)
1000
$720.00 (0.72/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2-1/4 Partial Thread
SKU #660122
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2-1/4 Partial Thread
SKU #660122
1
$1.42 (1.42/ea)
25
$31.75 (1.27/ea)
100
$109.00 (1.09/ea)
1000
$810.00 (0.81/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2-1/2 Partial Thread
SKU #660132
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2-1/2 Partial Thread
SKU #660132
1
$1.68 (1.68/ea)
25
$37.75 (1.51/ea)
100
$122.00 (1.22/ea)
1000
$920.00 (0.92/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2-3/4 Partial Thread
SKU #660142
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 2-3/4 Partial Thread
SKU #660142
1
$1.74 (1.74/ea)
25
$39.00 (1.56/ea)
100
$130.00 (1.3/ea)
1000
$970.00 (0.97/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3 Partial Thread
SKU #660152
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3 Partial Thread
SKU #660152
1
$1.76 (1.76/ea)
25
$39.50 (1.58/ea)
100
$140.00 (1.4/ea)
1000
$1,040.00 (1.04/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3-1/4 Partial Thread
SKU #660162
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3-1/4 Partial Thread
SKU #660162
1
$1.79 (1.79/ea)
25
$40.25 (1.61/ea)
100
$146.00 (1.46/ea)
1000
$1,090.00 (1.09/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3-1/2 Partial Thread
SKU #660172
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3-1/2 Partial Thread
SKU #660172
1
$1.81 (1.81/ea)
25
$40.50 (1.62/ea)
100
$153.00 (1.53/ea)
1000
$1,140.00 (1.14/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3-3/4 Partial Thread
SKU #660182
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 3-3/4 Partial Thread
SKU #660182
1
$2.02 (2.02/ea)
25
$45.25 (1.81/ea)
100
$170.00 (1.7/ea)
1000
$1,340.00 (1.34/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4 Partial Thread
SKU #660192
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4 Partial Thread
SKU #660192
1
$2.12 (2.12/ea)
25
$47.50 (1.9/ea)
100
$178.00 (1.78/ea)
1000
$1,370.00 (1.37/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4-1/4 Partial Thread
SKU #660202
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4-1/4 Partial Thread
SKU #660202
1
$2.26 (2.26/ea)
25
$50.75 (2.03/ea)
100
$191.00 (1.91/ea)
1000
$1,430.00 (1.43/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4-1/2 Partial Thread
SKU #660212
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4-1/2 Partial Thread
SKU #660212
1
$2.41 (2.41/ea)
25
$54.00 (2.16/ea)
100
$204.00 (2.04/ea)
1000
$1,520.00 (1.52/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4-3/4 Partial Thread
SKU #660222
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 4-3/4 Partial Thread
SKU #660222
1
$3.86 (3.86/ea)
25
$86.75 (3.47/ea)
100
$244.00 (2.44/ea)
1000
$1,960.00 (1.96/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 5 Partial Thread
SKU #660232
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 5 Partial Thread
SKU #660232
1
$2.70 (2.7/ea)
25
$55.25 (2.21/ea)
100
$210.00 (2.1/ea)
1000
$1,710.00 (1.71/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 5-1/2 Partial Thread
SKU #660242
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 5-1/2 Partial Thread
SKU #660242
1
$2.95 (2.95/ea)
25
$61.75 (2.47/ea)
100
$235.00 (2.35/ea)
1000
$1,890.00 (1.89/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 6 Partial Thread
SKU #660252
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 6 Partial Thread
SKU #660252
1
$3.86 (3.86/ea)
25
$67.50 (2.7/ea)
100
$257.00 (2.57/ea)
1000
$2,070.00 (2.07/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 7-1/2 Partial Thread
SKU #660272
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 7-1/2 Partial Thread
SKU #660272
1
$11.89 (11.89/ea)
25
$195.50 (7.82/ea)
100
$743.00 (7.43/ea)
1000
$7,420.00 (7.42/ea)
Subtotal: $0.00 /
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 8 Partial Thread
SKU #660282
Hex Cap Screws 316 Stainless Steel - 3/8-16 x 8 Partial Thread
SKU #660282
1
$14.14 (14.14/ea)
25
$225.00 (9/ea)
100
$855.00 (8.55/ea)
1000
$8,540.00 (8.54/ea)
Subtotal: $0.00 /

Frequently Used With

1
NA
25
$5.00 (0.2/ea)
100
$18.00 (0.18/ea)
1000
$160.00 (0.16/ea)
Subtotal: $0.00 /

Product Specifications
Color
Silver
Corrosion Resistant
Yes
Diameter
3/8"
Drive Style
External Hex
Grade
316
Head Height Max
0.243
Head Style
Hex
Marine Grade
Yes
Material
Stainless Steel
Overall Head Height
Basic 15/64", Max 0.243 - Min 0.226
Product Type
Hex Cap Screws
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Pitch (Count)
16 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Width Across Corners
Max 0.650 - Min 0.628
Wrench Size
9/16"