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Hex Cap Screws, Stainless Steel 316, 1/4"-20 X 1-1/8, Full Thread

Diameter - Thread Pitch: 1/4" - 20
  • 1/4"-20
  • 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: 620072
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): 7/16" (Max 0.437 - Min 0.428)
  • asme: B18.2.1
  • Color (Duplicate): Silver
  • Color: Silver
  • Condition: New
  • Corrosion Resistant: Yes
  • Diameter: 1/4"
  • 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: 5/32"
  • Head Height Max: 0.163
  • Head Style: Hex
  • Length: 1-1/8
  • Marine Grade: Yes
  • Material (Duplicate): 316 Stainless Steel
  • Material: Stainless Steel
  • Overall Head Height: Basic 5/32", Max 0.163 - Min 0.150
  • Part Number: 046737892501
  • Pattern: Hex Cap Screws
  • Product Type: Hex Cap Screws
  • Size System: US
  • Size Type: Regular
  • Standards Met: ASME B18.2.1
  • System of Measurement: Inch
  • Thread Direction: Right Hand
  • Thread Pitch: 20 Per Inch
  • Thread Size: 1/4"-20
  • 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 0.505 - Min 0.488
  • Wrench Size: 7/16"

Frequently Used With

Hex Finish Nuts, Stainless Steel 316, 1/4"-20 (7/16" Flats x 7/32" Thick) Hex Finish Nuts, Stainless Steel 316, 1/4"-20 (7/16" Flats x 7/32" Thick)
Volume Pricing*
1
$0.10
($0.10/ea)
100
$8.00
($0.08/ea)
1000
$70.00
($0.07/ea)
$0.00
Flat Washers, Stainless Steel 316, 1/4" (0.281 ID x 5/8 OD x .050 THK) Flat Washers, Stainless Steel 316, 1/4" (0.281 ID x 5/8 OD x .050 THK)
Volume Pricing*
1
$0.08
($0.08/ea)
100
$6.00
($0.06/ea)
1000
$50.00
($0.05/ea)
$0.00
Nylon Lock Nuts, Stainless Steel 316, 1/4"-20 (439" Flats x .328" Thick) Nylon Lock Nuts, Stainless Steel 316, 1/4"-20 (439" Flats x .328" Thick)
Volume Pricing*
1
$0.21
($0.21/ea)
100
$18.00
($0.18/ea)
1000
$160.00
($0.16/ea)
$0.00
Fender Washers, Stainless Steel 316, (1/4" x 1-1/2") Fender Washers, Stainless Steel 316, (1/4" x 1-1/2")
Volume Pricing*
1
$0.56
($0.56/ea)
100
$50.00
($0.50/ea)
1000
$450.00
($0.45/ea)
$0.00
Lock Washers, Split Ring, Stainless Steel 316, 1/4" (0.252 ID x 0.487 OD x .062 THK) Lock Washers, Split Ring, Stainless Steel 316, 1/4" (0.252 ID x 0.487 OD x .062 THK)
Volume Pricing*
1
$0.09
($0.09/ea)
100
$5.00
($0.05/ea)
1000
$40.00
($0.04/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
23 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
1/4"-20 x 1/2 FT
620022
1
$0.24 ($0.24/ea)
100
$17.00 ($0.17/ea)
1000
$150.00 ($0.15/ea)
$0.00
1/4"-20 x 5/8 FT
620032
1
$0.30 ($0.30/ea)
100
$20.00 ($0.20/ea)
1000
$170.00 ($0.17/ea)
$0.00
1/4"-20 x 3/4 FT
620042
1
$0.31 ($0.31/ea)
100
$23.00 ($0.23/ea)
1000
$210.00 ($0.21/ea)
$0.00
1/4"-20 x 7/8" FT
620052
1
$0.32 ($0.32/ea)
100
$24.00 ($0.24/ea)
1000
$210.00 ($0.21/ea)
$0.00
1/4"-20 x 1 FT
620062
1
$0.35 ($0.35/ea)
100
$26.00 ($0.26/ea)
1000
$230.00 ($0.23/ea)
$0.00
1/4"-20 x 1-1/8 FT
620072
1
$0.39 ($0.39/ea)
100
$29.00 ($0.29/ea)
1000
$250.00 ($0.25/ea)
$0.00
1/4"-20 x 1-1/4 PT
620082
1
$0.45 ($0.45/ea)
100
$31.00 ($0.31/ea)
1000
$280.00 ($0.28/ea)
$0.00
1/4"-20 x 1-3/8 PT
620092
1
$0.58 ($0.58/ea)
100
$40.00 ($0.40/ea)
1000
$350.00 ($0.35/ea)
$0.00
1/4"-20 x 1-1/2 PT
620102
1
$0.62 ($0.62/ea)
100
$44.00 ($0.44/ea)
1000
$390.00 ($0.39/ea)
$0.00
1/4"-20 x 1-3/4 PT
620122
1
$0.68 ($0.68/ea)
100
$46.00 ($0.46/ea)
1000
$410.00 ($0.41/ea)
$0.00
1/4"-20 x 2 PT
620132
1
$0.70 ($0.70/ea)
100
$49.00 ($0.49/ea)
1000
$430.00 ($0.43/ea)
$0.00
1/4"-20 x 2-1/4 PT
620142
1
$0.77 ($0.77/ea)
100
$55.00 ($0.55/ea)
1000
$480.00 ($0.48/ea)
$0.00
1/4"-20 x 2-1/2 PT
620152
1
$0.92 ($0.92/ea)
100
$63.00 ($0.63/ea)
1000
$550.00 ($0.55/ea)
$0.00
1/4"-20 x 2-3/4 PT
620162
1
$1.07 ($1.07/ea)
100
$72.00 ($0.72/ea)
1000
$640.00 ($0.64/ea)
$0.00
1/4"-20 x 3 PT
620172
1
$1.12 ($1.12/ea)
100
$75.00 ($0.75/ea)
1000
$660.00 ($0.66/ea)
$0.00
1/4"-20 x 3-1/4 PT
620182
1
$1.23 ($1.23/ea)
100
$85.00 ($0.85/ea)
1000
$750.00 ($0.75/ea)
$0.00
1/4"-20 x 3-1/2 PT
620192
1
$1.29 ($1.29/ea)
100
$90.00 ($0.90/ea)
1000
$790.00 ($0.79/ea)
$0.00
1/4"-20 x 3-3/4 PT
620202
1
$1.34 ($1.34/ea)
100
$91.00 ($0.91/ea)
1000
$800.00 ($0.80/ea)
$0.00
1/4"-20 x 4 PT
620212
1
$1.35 ($1.35/ea)
100
$91.00 ($0.91/ea)
1000
$800.00 ($0.80/ea)
$0.00
1/4"-20 x 4-1/2 PT
620232
1
$1.42 ($1.42/ea)
100
$92.00 ($0.92/ea)
1000
$81,000.00 ($81.00/ea)
$0.00
1/4"-20 x 5 PT
620242
1
$1.46 ($1.46/ea)
100
$98.00 ($0.98/ea)
1000
$870.00 ($0.87/ea)
$0.00
1/4"-20 x 5-1/2 PT
620252
1
$1.49 ($1.49/ea)
100
$104.00 ($1.04/ea)
1000
$910.00 ($0.91/ea)
$0.00
1/4"-20 x 6 PT
620262
1
$1.54 ($1.54/ea)
100
$109.00 ($1.09/ea)
1000
$960.00 ($0.96/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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