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Hex Cap Screws, Stainless Steel 316, 3/8"-16 x 1, Full Thread

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

**1/4"-20 Hex Cap Screws listed as PT, usually have a threaded portion of about 3/4".
However, this can vary slightly from manufacturer to manufacturer.

Product number: 660052
Print this page
Click on a size/sku in the table to view product-specific details and specifications.
FT = Full Thread (threaded the entire length)  ·  PT = Partial Thread (unthreaded shoulder below the head)

Specifications

  • Across Flats (Width): 9/16" (Max 0.562 - Min 0.551)
  • asme: B18.2.1
  • Color (Duplicate): Silver
  • Color: Silver
  • Condition: New
  • Corrosion Resistant: Yes
  • Diameter: 3/8"
  • Drive Style: External Hex
  • Head Type: Hex Head
  • Thread Direction: Right Hand
  • Thread Type: Coarse
  • Fit: 2A
  • FT = Full Thread: Yes
  • Grade: 316
  • Head Height: Basic 15/16", Max 0.243 - Min 0.226
  • Head Height Basic: 15/64"
  • Head Height Max: 0.243
  • Head Style: Hex
  • Length: 1
  • Marine Grade: Yes
  • Material (Duplicate): 316 Stainless Steel
  • Material: Stainless Steel
  • Overall Head Height: Basic 15/64", Max 0.243 - Min 0.226
  • Part Number: 787392574394
  • Pattern: Hex Cap Screws
  • Product Type: Hex Cap Screws
  • Size Type: Regular
  • Standards Met: ASME B18.2.1
  • System of Measurement: Inch
  • Thread Direction: Right Hand
  • Thread Pitch: 16 Per Inch
  • Thread Size: 3/8"-16
  • Thread Standard: UNC
  • Thread Type: Coarse
  • Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
  • Weight: 1 lb
  • Width Across Corners: Max 0.650 - Min 0.628
  • Wrench Size: 9/16"

Frequently Used With

Hex Finish Nuts, Stainless Steel 316, 3/8"-16 (9/16" Flats x 21/64" Thick) Hex Finish Nuts, Stainless Steel 316, 3/8"-16 (9/16" Flats x 21/64" Thick)
Volume Pricing*
1
$0.20
($0.20/ea)
100
$18.00
($0.18/ea)
1000
$170.00
($0.17/ea)
$0.00
Fender Washers, Stainless Steel 316, (3/8" x 1-1/2") Fender Washers, Stainless Steel 316, (3/8" x 1-1/2")
Volume Pricing*
1
$0.81
($0.81/ea)
100
$67.00
($0.67/ea)
1000
$460.00
($0.46/ea)
$0.00
Flat Washers, Stainless Steel 316, 3/8" (0.406 ID x 7/8 OD x .050 THK) Flat Washers, Stainless Steel 316, 3/8" (0.406 ID x 7/8 OD x .050 THK)
Volume Pricing*
1
$0.11
($0.11/ea)
100
$9.00
($0.09/ea)
1000
$80.00
($0.08/ea)
$0.00
Lock Washers, Split Ring, Stainless Steel 316, 3/8" (0.377 ID x 0.680 OD x .094 THK) Lock Washers, Split Ring, Stainless Steel 316, 3/8" (0.377 ID x 0.680 OD x .094 THK)
Volume Pricing*
1
$0.17
($0.17/ea)
100
$10.00
($0.10/ea)
1000
$90.00
($0.09/ea)
$0.00
Nylon Lock Nuts, Stainless Steel 316, 3/8"-16 (563" Flats x .335" Thick) Nylon Lock Nuts, Stainless Steel 316, 3/8"-16 (563" Flats x .335" Thick)
Volume Pricing*
1
$0.42
($0.42/ea)
100
$35.00
($0.35/ea)
1000
$300.00
($0.30/ea)
$0.00
MRO Solution 2400, Marine Grade Anti-Seize Lubricant, 8 oz. MRO Solution 2400, Marine Grade Anti-Seize Lubricant, 8 oz.
Volume Pricing*
$20.03 ea.
$0.00
Select Size/SKU & Quantity
25 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
3/8"-16 x 1/2" FT
660012
1
$0.51 ($0.51/ea)
100
$34.00 ($0.34/ea)
1000
$300.00 ($0.30/ea)
$0.00
3/8"-16 x 5/8" FT
660022
1
$0.53 ($0.53/ea)
100
$37.00 ($0.37/ea)
1000
$320.00 ($0.32/ea)
$0.00
3/8"-16 x 3/4" FT
660032
1
$0.57 ($0.57/ea)
100
$41.00 ($0.41/ea)
1000
$360.00 ($0.36/ea)
$0.00
3/8"-16 x 7/8" FT
660042
1
$0.61 ($0.61/ea)
100
$45.00 ($0.45/ea)
1000
$400.00 ($0.40/ea)
$0.00
3/8"-16 x 1" FT
660052
1
$0.68 ($0.68/ea)
100
$50.00 ($0.50/ea)
1000
$440.00 ($0.44/ea)
$0.00
3/8"-16 x 1-1/4" FT
660072
1
$0.85 ($0.85/ea)
100
$63.00 ($0.63/ea)
1000
$550.00 ($0.55/ea)
$0.00
3/8"-16 x 1-1/2" PT
660092
1
$0.93 ($0.93/ea)
100
$69.00 ($0.69/ea)
1000
$610.00 ($0.61/ea)
$0.00
3/8"-16 x 1-3/4" PT
660102
1
$1.11 ($1.11/ea)
100
$82.00 ($0.82/ea)
1000
$720.00 ($0.72/ea)
$0.00
3/8"-16 x 2" PT
660112
1
$1.38 ($1.38/ea)
100
$101.00 ($1.01/ea)
1000
$890.00 ($0.89/ea)
$0.00
3/8"-16 x 2-1/4" PT
660122
1
$1.49 ($1.49/ea)
100
$112.00 ($1.12/ea)
1000
$980.00 ($0.98/ea)
$0.00
3/8"-16 x 2-1/2" PT
660132
1
$1.77 ($1.77/ea)
100
$125.00 ($1.25/ea)
1000
$1,100.00 ($1.10/ea)
$0.00
3/8"-16 x 2-3/4" PT
660142
1
$1.83 ($1.83/ea)
100
$133.00 ($1.33/ea)
1000
$1,170.00 ($1.17/ea)
$0.00
3/8"-16 x 3" PT
660152
1
$1.85 ($1.85/ea)
100
$143.00 ($1.43/ea)
1000
$1,260.00 ($1.26/ea)
$0.00
3/8"-16 x 3-1/4" PT
660162
1
$1.88 ($1.88/ea)
100
$150.00 ($1.50/ea)
1000
$1,320.00 ($1.32/ea)
$0.00
3/8"-16 x 3-1/2" PT
660172
1
$1.91 ($1.91/ea)
100
$157.00 ($1.57/ea)
1000
$1,380.00 ($1.38/ea)
$0.00
3/8"-16 x 3-3/4" PT
660182
1
$2.13 ($2.13/ea)
100
$174.00 ($1.74/ea)
1000
$1,530.00 ($1.53/ea)
$0.00
3/8"-16 x 4" PT
660192
1
$2.23 ($2.23/ea)
100
$182.00 ($1.82/ea)
1000
$1,600.00 ($1.60/ea)
$0.00
3/8"-16 x 4-1/4" PT
660202
1
$2.38 ($2.38/ea)
100
$195.00 ($1.95/ea)
1000
$1,720.00 ($1.72/ea)
$0.00
3/8"-16 x 4-1/2" PT
660212
1
$2.54 ($2.54/ea)
100
$209.00 ($2.09/ea)
1000
$1,840.00 ($1.84/ea)
$0.00
3/8"-16 x 4-3/4" PT
660222
1
$4.06 ($4.06/ea)
100
$249.00 ($2.49/ea)
1000
$2,190.00 ($2.19/ea)
$0.00
3/8"-16 x 5" PT
660232
1
$2.84 ($2.84/ea)
100
$233.00 ($2.33/ea)
1000
$2,050.00 ($2.05/ea)
$0.00
3/8"-16 x 5-1/2" PT
660242
1
$3.10 ($3.10/ea)
100
$260.00 ($2.60/ea)
1000
$2,290.00 ($2.29/ea)
$0.00
3/8"-16 x 6" PT
660252
1
$4.06 ($4.06/ea)
100
$284.00 ($2.84/ea)
1000
$2,500.00 ($2.50/ea)
$0.00
3/8"-16 x 7-1/2" PT
660272
1
$12.52 ($12.52/ea)
100
$823.00 ($8.23/ea)
1000
$7,250.00 ($7.25/ea)
$0.00
3/8"-16 x 8" PT
660282
1
$14.88 ($14.88/ea)
100
$947.00 ($9.47/ea)
1000
$8,340.00 ($8.34/ea)
$0.00

*Volume pricing available on select products. Products without quantity breaks are priced per unit.

Page Total: $0.00

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