Hex Cap Screws Aluminum 3/8-16

3/8"-16 Aluminum Hex Cap Screws

Lightweight Aluminum Hex Head Bolts | 3/8" Diameter - 16 Threads per Inch


  • Size: 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
  • 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 3/8"-16 x 3/4" FT
SKU #1000-118-0002
Aluminum Hex Cap Screws 3/8"-16 x 3/4" FT
SKU #1000-118-0002
1
$1.07 (1.07/ea)
25
$26.00 (1.04/ea)
100
$100.00 (1/ea)
1000
$990.00 (0.99/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 3/8"-16 x 1" FT
SKU #1000-118-0012
Aluminum Hex Cap Screws 3/8"-16 x 1" FT
SKU #1000-118-0012
1
$1.24 (1.24/ea)
25
$30.75 (1.23/ea)
100
$116.00 (1.16/ea)
1000
$1,140.00 (1.14/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 3/8"-16 x 1-1/4" FT
SKU #1000-118-0022
Aluminum Hex Cap Screws 3/8"-16 x 1-1/4" FT
SKU #1000-118-0022
1
$1.28 (1.28/ea)
25
$31.00 (1.24/ea)
100
$118.00 (1.18/ea)
1000
$1,170.00 (1.17/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 3/8"-16 x 1-1/2" FT
SKU #1000-118-0032
Aluminum Hex Cap Screws 3/8"-16 x 1-1/2" FT
SKU #1000-118-0032
1
$1.56 (1.56/ea)
25
$37.75 (1.51/ea)
100
$144.00 (1.44/ea)
1000
$1,430.00 (1.43/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 3/8"-16 x 1-3/4" FT
SKU #1000-118-0034
Aluminum Hex Cap Screws 3/8"-16 x 1-3/4" FT
SKU #1000-118-0034
1
$1.76 (1.76/ea)
25
$42.25 (1.69/ea)
100
$164.00 (1.64/ea)
1000
$1,610.00 (1.61/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 3/8"-16 x 2" FT
SKU #1000-118-0042
Aluminum Hex Cap Screws 3/8"-16 x 2" FT
SKU #1000-118-0042
1
$1.80 (1.8/ea)
25
$43.50 (1.74/ea)
100
$166.00 (1.66/ea)
1000
$1,650.00 (1.65/ea)
Subtotal: $0.00 /
Aluminum Hex Cap Screws 3/8"-16 x 2-1/2" FT
SKU #1000-118-0052
Aluminum Hex Cap Screws 3/8"-16 x 2-1/2" FT
SKU #1000-118-0052
1
$2.19 (2.19/ea)
25
$52.75 (2.11/ea)
100
$202.00 (2.02/ea)
1000
$2,000.00 (2/ea)
Subtotal: $0.00 /

Frequently Used With

1
NA
25
$7.50 (0.3/ea)
100
$21.00 (0.21/ea)
1000
$190.00 (0.19/ea)
Subtotal: $0.00 /
1
NA
25
$4.75 (0.19/ea)
100
$17.00 (0.17/ea)
1000
$150.00 (0.15/ea)
Subtotal: $0.00 /
1
NA
25
$9.00 (0.36/ea)
100
$33.00 (0.33/ea)
1000
$290.00 (0.29/ea)
Subtotal: $0.00 /
1
NA
25
$15.00 (0.6/ea)
100
$42.00 (0.42/ea)
1000
$340.00 (0.34/ea)
Subtotal: $0.00 /

Product Specifications
Color
Silver
Diameter
3/8"
Drive Style
External Hex
FT = Full Thread
Yes
Head Height
5/16"
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
3/8" Diameter Hex Cap Screws over 1-1/4" in length will have a shoulder (partial thread)
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"