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Hex Cap Screws, Stainless Steel 316, 3/8"-24 x 5/8, Full Thread

Diameter - Thread Pitch: 3/8" - 24
  • 3/8"-24
  • 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: 670012
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: Fine
  • Fit: 2A
  • FT = Full Thread: Yes
  • Grade: 316
  • Head Height Basic: 15/64"
  • Head Height Max: 0.243
  • Head Style: Hex
  • Length: 5/8
  • 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: 787392575391
  • 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: 24 Per Inch
  • Thread Size: 3/8"-24
  • Thread Standard: UNF
  • Thread Type: Fine
  • 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"-24 (9/16" Flats x 21/64" Thick) Hex Finish Nuts, Stainless Steel 316, 3/8"-24 (9/16" Flats x 21/64" Thick)
Volume Pricing*
1
$0.29
($0.29/ea)
100
$20.00
($0.20/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"-24 (563" Flats x .335" Thick) Nylon Lock Nuts, Stainless Steel 316, 3/8"-24 (563" Flats x .335" Thick)
Volume Pricing*
1
$0.45
($0.45/ea)
100
$38.00
($0.38/ea)
1000
$330.00
($0.33/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
21 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
3/8"-24 x 5/8" FT
670012
1
$0.91 ($0.91/ea)
100
$61.00 ($0.61/ea)
1000
$540.00 ($0.54/ea)
$0.00
3/8"-24 x 3/4" FT
670022
1
$0.93 ($0.93/ea)
100
$65.00 ($0.65/ea)
1000
$580.00 ($0.58/ea)
$0.00
3/8"-24 x 7/8" FT
670032
1
$1.02 ($1.02/ea)
100
$7,100.00 ($71.00/ea)
1000
$63,000.00 ($63.00/ea)
$0.00
3/8"-24 x 1 FT"
670042
1
$1.08 ($1.08/ea)
100
$76.00 ($0.76/ea)
1000
$670.00 ($0.67/ea)
$0.00
3/8"-24 x 1-1/8" FT
670052
1
$1.15 ($1.15/ea)
100
$83.00 ($0.83/ea)
1000
$700.00 ($0.70/ea)
$0.00
3/8"-24 x 1-1/4" FT
670062
1
$1.25 ($1.25/ea)
100
$87.00 ($0.87/ea)
1000
$760.00 ($0.76/ea)
$0.00
3/8"-24 x 1-1/2" PT
670072
1
$1.45 ($1.45/ea)
100
$99.00 ($0.99/ea)
1000
$870.00 ($0.87/ea)
$0.00
3/8"-24 x 1-3/4" PT
670082
1
$1.64 ($1.64/ea)
100
$113.00 ($1.13/ea)
1000
$990.00 ($0.99/ea)
$0.00
3/8"-24 x 2" PT
670092
1
$1.90 ($1.90/ea)
100
$130.00 ($1.30/ea)
1000
$1,150.00 ($1.15/ea)
$0.00
3/8"-24 x 2-1/4" PT
670102
1
$2.10 ($2.10/ea)
100
$140.00 ($1.40/ea)
1000
$1,250.00 ($1.25/ea)
$0.00
3/8"-24 x 2-1/2" PT
670112
1
$2.23 ($2.23/ea)
100
$153.00 ($1.53/ea)
1000
$1,350.00 ($1.35/ea)
$0.00
3/8"-24 x 2-3/4" PT
670122
1
$1.64 ($1.64/ea)
100
$152.00 ($1.52/ea)
1000
$1,500.00 ($1.50/ea)
$0.00
3/8"-24 x 3" PT
670132
1
$2.60 ($2.60/ea)
100
$181.00 ($1.81/ea)
1000
$1,590.00 ($1.59/ea)
$0.00
3/8"-24 x 3-1/4" PT
670142
1
$2.00 ($2.00/ea)
100
$190.00 ($1.90/ea)
1000
$1,700.00 ($1.70/ea)
$0.00
3/8"-24 x 3-1/2" PT
670152
1
$3.03 ($3.03/ea)
100
$214.00 ($2.14/ea)
1000
$1,880.00 ($1.88/ea)
$0.00
3/8"-24 x 3-3/4" PT
670162
1
$3.50 ($3.50/ea)
100
$245.00 ($2.45/ea)
1000
$2,000.00 ($2.00/ea)
$0.00
3/8"-24 x 4" PT
670172
1
$3.71 ($3.71/ea)
100
$255.00 ($2.55/ea)
1000
$2,240.00 ($2.24/ea)
$0.00
3/8"-24 x 4-1/2" PT
670182
1
$4.26 ($4.26/ea)
100
$298.00 ($2.98/ea)
1000
$2,620.00 ($2.62/ea)
$0.00
3/8"-24 x 5" PT
670192
1
$4.53 ($4.53/ea)
100
$317.00 ($3.17/ea)
1000
$1,790.00 ($1.79/ea)
$0.00
3/8"-24 x 5-1/2" PT
670202
1
$4.75 ($4.75/ea)
100
$333.00 ($3.33/ea)
1000
$2,930.00 ($2.93/ea)
$0.00
3/8"-24 x 6" PT
670212
1
$5.62 ($5.62/ea)
100
$390.00 ($3.90/ea)
1000
$3,430.00 ($3.43/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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