Hex Cap Screws Aluminum 1/4-20

1/4"-20 Aluminum Hex Cap Screws

Lightweight Aluminum Hex Head Bolts | 1/4" Diameter - 20 Threads per Inch


  • Size: 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
  • Lightweight 2024-T4 Aluminum Alloy
  • High strength-to-weight ratio
  • Commonly used in the automotive and aerospace industries
  • Resistant to atmospheric corrosion

Hex Cap Screws feature a hexagonal head designed to be driven with a wrench or socket and are commonly used with nuts and washers as a fastener assembly.

Important: We recommend not mixing metals; aluminum fasteners should be used with aluminum fasteners. For more information, please read our article on the subject HERE.

A Hex Bolt is measured as: Diameter x Thread Pitch x Length from Under Head
*Aluminum Hex Cap Screws are Fully Threaded Regardless of Length. A fully threaded hex cap screw can also be called a tap bolt.

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Aluminum Hex Cap Screws 1/4"-20 x 1/2"
SKU #1000-114-0002
Aluminum Hex Cap Screws 1/4"-20 x 1/2"
SKU #1000-114-0002
1
NA
25
$14.50 (0.58/ea)
100
$57.00 (0.57/ea)
1000
$530.00 (0.53/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 1/4"-20 x 3/4" FT
SKU #1000-114-0012
Aluminum Hex Cap Screws 1/4"-20 x 3/4" FT
SKU #1000-114-0012
1
NA
25
$14.50 (0.58/ea)
100
$57.00 (0.57/ea)
1000
$530.00 (0.53/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 1/4"-20 x 1" FT
SKU #1000-114-0022
Aluminum Hex Cap Screws 1/4"-20 x 1" FT
SKU #1000-114-0022
1
NA
25
$16.25 (0.65/ea)
100
$60.00 (0.6/ea)
1000
$590.00 (0.59/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 1/4"-20 x 1-1/4" FT
SKU #1000-114-0032
Aluminum Hex Cap Screws 1/4"-20 x 1-1/4" FT
SKU #1000-114-0032
1
$0.73 (0.73/ea)
25
$17.50 (0.7/ea)
100
$67.00 (0.67/ea)
1000
$660.00 (0.66/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 1/4"-20 x 1-1/2" FT
SKU #1000-114-0042
Aluminum Hex Cap Screws 1/4"-20 x 1-1/2" FT
SKU #1000-114-0042
1
$0.79 (0.79/ea)
25
$19.50 (0.78/ea)
100
$75.00 (0.75/ea)
1000
$730.00 (0.73/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 1/4"-20 x 1-3/4" FT
SKU #1000-114-0052
Aluminum Hex Cap Screws 1/4"-20 x 1-3/4" FT
SKU #1000-114-0052
1
$0.89 (0.89/ea)
25
$22.00 (0.88/ea)
100
$86.00 (0.86/ea)
1000
$830.00 (0.83/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 1/4"-20 x 2" FT
SKU #1000-114-0062
Aluminum Hex Cap Screws 1/4"-20 x 2" FT
SKU #1000-114-0062
1
$1.00 (1/ea)
25
$24.75 (0.99/ea)
100
$97.00 (0.97/ea)
1000
$940.00 (0.94/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 1/4"-20 x 2-1/2" FT
SKU #1000-114-0072
Aluminum Hex Cap Screws 1/4"-20 x 2-1/2" FT
SKU #1000-114-0072
1
$1.18 (1.18/ea)
25
$29.00 (1.16/ea)
100
$114.00 (1.14/ea)
1000
$1,100.00 (1.1/ea)
Subtotal: $0.00 /



FREQUENTLY USED WITH

1
NA
25
$4.50 (0.18/ea)
100
$11.00 (0.11/ea)
1000
$100.00 (0.1/ea)
Subtotal: $0.00 /
1
NA
25
$7.50 (0.3/ea)
100
$22.00 (0.22/ea)
1000
$170.00 (0.17/ea)
Subtotal: $0.00 /
1
NA
25
$3.75 (0.15/ea)
100
$14.00 (0.14/ea)
1000
$120.00 (0.12/ea)
Subtotal: $0.00 /
1
NA
25
$2.50 (0.1/ea)
100
$9.00 (0.09/ea)
1000
$70.00 (0.07/ea)
Subtotal: $0.00 /

Product Specifications
Color
Silver
Diameter
1/4"
Drive Style
External Hex
Grade
2024-T4
Head Height
5/32"
Head Style
Hex
Material
Aluminum
Product Type
Hex Cap Screw
Standards Met
ASME B18.2.1
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Length Max
1/4" Diameter Hex Cap Screws 1-1/4" in length and up will have a shoulder (partial thread)
Thread Pitch (Count)
20 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 0.505 - Min 0.488
Wrench Size
7/16"