Carriage Bolts 18-8 Stainless Steel 3/8-16"

3/8"-16 Stainless Steel Carriage Bolt

Diameter - Thread Pitch: 3/8-16


  • Square section grips into the part being fixed (typically wood)
  • Carriage bolts are threaded all the way down to the square section beneath the head
  • Prevents the bolt from turning when the nut is tightened
  • 18-8 Stainless steel is corrosion and rust resistant
  • 18-8 Stainless steel is considered the fastener industry standard

3/8"-16 Carriage bolts have a domed or countersunk head, and the shank is topped by a short square section under the head.

All Carriage Bolts over 6" in length are Partially Threaded

Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded


Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Carriage Bolt 18-8 SS 3/8"-16 x 3/4"
SKU #78022
Carriage Bolt 18-8 SS 3/8"-16 x 3/4"
SKU #78022
1
$0.36 (0.36/ea)
100
$26.00 (0.26/ea)
1000
$230.00 (0.23/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 1"
SKU #78032
Carriage Bolt 18-8 SS 3/8"-16 x 1"
SKU #78032
1
$0.64 (0.64/ea)
100
$46.00 (0.46/ea)
1000
$420.00 (0.42/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 1-1/4"
SKU #78042
Carriage Bolt 18-8 SS 3/8"-16 x 1-1/4"
SKU #78042
1
$0.70 (0.7/ea)
100
$50.00 (0.5/ea)
1000
$450.00 (0.45/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 1-1/2"
SKU #78052
Carriage Bolt 18-8 SS 3/8"-16 x 1-1/2"
SKU #78052
1
$0.77 (0.77/ea)
100
$55.00 (0.55/ea)
1000
$500.00 (0.5/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 1-3/4"
SKU #78062
Carriage Bolt 18-8 SS 3/8"-16 x 1-3/4"
SKU #78062
1
$0.86 (0.86/ea)
100
$62.00 (0.62/ea)
1000
$560.00 (0.56/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 2"
SKU #78072
Carriage Bolt 18-8 SS 3/8"-16 x 2"
SKU #78072
1
$0.89 (0.89/ea)
100
$64.00 (0.64/ea)
1000
$570.00 (0.57/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 2-1/4"
SKU #78082
Carriage Bolt 18-8 SS 3/8"-16 x 2-1/4"
SKU #78082
1
$0.90 (0.9/ea)
100
$67.00 (0.67/ea)
1000
$600.00 (0.6/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 2-1/2"
SKU #78092
Carriage Bolt 18-8 SS 3/8"-16 x 2-1/2"
SKU #78092
1
$1.04 (1.04/ea)
100
$75.00 (0.75/ea)
1000
$670.00 (0.67/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 2-3/4"
SKU #78102
Carriage Bolt 18-8 SS 3/8"-16 x 2-3/4"
SKU #78102
1
$1.10 (1.1/ea)
100
$80.00 (0.8/ea)
1000
$700.00 (0.7/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 3"
SKU #78112
Carriage Bolt 18-8 SS 3/8"-16 x 3"
SKU #78112
1
$1.15 (1.15/ea)
100
$83.00 (0.83/ea)
1000
$750.00 (0.75/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 3-1/4"
SKU #78122
Carriage Bolt 18-8 SS 3/8"-16 x 3-1/4"
SKU #78122
1
$1.20 (1.2/ea)
100
$90.00 (0.9/ea)
1000
$800.00 (0.8/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 3-1/2"
SKU #78132
Carriage Bolt 18-8 SS 3/8"-16 x 3-1/2"
SKU #78132
1
$1.26 (1.26/ea)
100
$90.00 (0.9/ea)
1000
$820.00 (0.82/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 3-3/4"
SKU #78142
Carriage Bolt 18-8 SS 3/8"-16 x 3-3/4"
SKU #78142
1
$1.52 (1.52/ea)
100
$141.00 (1.41/ea)
1000
$1,390.00 (1.39/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 4"
SKU #78152
Carriage Bolt 18-8 SS 3/8"-16 x 4"
SKU #78152
1
$1.45 (1.45/ea)
100
$103.00 (1.03/ea)
1000
$940.00 (0.94/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 4-1/2"
SKU #78162
Carriage Bolt 18-8 SS 3/8"-16 x 4-1/2"
SKU #78162
1
$1.54 (1.54/ea)
100
$110.00 (1.1/ea)
1000
$990.00 (0.99/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 5"
SKU #78172
Carriage Bolt 18-8 SS 3/8"-16 x 5"
SKU #78172
1
$1.85 (1.85/ea)
100
$132.00 (1.32/ea)
1000
$1,190.00 (1.19/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 5-1/2"
SKU #78182
Carriage Bolt 18-8 SS 3/8"-16 x 5-1/2"
SKU #78182
1
$2.09 (2.09/ea)
100
$150.00 (1.5/ea)
1000
$1,340.00 (1.34/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 6"
SKU #78192
Carriage Bolt 18-8 SS 3/8"-16 x 6"
SKU #78192
1
$2.25 (2.25/ea)
100
$160.00 (1.6/ea)
1000
$1,450.00 (1.45/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 6-1/2"
SKU #78202
Carriage Bolt 18-8 SS 3/8"-16 x 6-1/2"
SKU #78202
1
$5.86 (5.86/ea)
100
$418.00 (4.18/ea)
1000
$3,760.00 (3.76/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 7"
SKU #78212
Carriage Bolt 18-8 SS 3/8"-16 x 7"
SKU #78212
1
$6.02 (6.02/ea)
100
$419.00 (4.19/ea)
1000
$3,880.00 (3.88/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 7-1/2"
SKU #78222
Carriage Bolt 18-8 SS 3/8"-16 x 7-1/2"
SKU #78222
1
$6.31 (6.31/ea)
100
$451.00 (4.51/ea)
1000
$4,060.00 (4.06/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 8"
SKU #78232
Carriage Bolt 18-8 SS 3/8"-16 x 8"
SKU #78232
1
$6.37 (6.37/ea)
100
$455.00 (4.55/ea)
1000
$4,100.00 (4.1/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 8-1/2"
SKU #78242
Carriage Bolt 18-8 SS 3/8"-16 x 8-1/2"
SKU #78242
1
$6.61 (6.61/ea)
100
$472.00 (4.72/ea)
1000
$4,250.00 (4.25/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 9"
SKU #78252
Carriage Bolt 18-8 SS 3/8"-16 x 9"
SKU #78252
1
$6.87 (6.87/ea)
100
$491.00 (4.91/ea)
1000
$4,420.00 (4.42/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 9-1/2"
SKU #78262
Carriage Bolt 18-8 SS 3/8"-16 x 9-1/2"
SKU #78262
1
$7.33 (7.33/ea)
100
$524.00 (5.24/ea)
1000
$4,720.00 (4.72/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 10"
SKU #78272
Carriage Bolt 18-8 SS 3/8"-16 x 10"
SKU #78272
1
$7.92 (7.92/ea)
100
$565.00 (5.65/ea)
1000
$5,090.00 (5.09/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 12"
SKU #78282
Carriage Bolt 18-8 SS 3/8"-16 x 12"
SKU #78282
1
$9.75 (9.75/ea)
100
$659.00 (6.59/ea)
1000
$5,930.00 (5.93/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 3/8"-16 x 14"
SKU #78292
Carriage Bolt 18-8 SS 3/8"-16 x 14"
SKU #78292
1
$11.65 (11.65/ea)
100
$833.00 (8.33/ea)
1000
$7,500.00 (7.5/ea)
Subtotal: $0.00 /



FREQUENTLY USED WITH

1
$0.18 (0.18/ea)
100
$13.00 (0.13/ea)
1000
$110.00 (0.11/ea)
Subtotal: $0.00 /
1
$0.12 (0.12/ea)
100
$7.00 (0.07/ea)
1000
$60.00 (0.06/ea)
Subtotal: $0.00 /

Product Specifications
Color
Silver
Corner Radius on Square
0.047
Corrosion Resistant
Yes
Filet Radius
0.031
Grade
18-8
Head Diameter
Max 0.844 - Min 0.782
Head Height Max
0.208
Head Style
Dome
Material
Stainless Steel
Overall Head Height
Max 0.208 - Min 0.188
Product Type
Carriage Bolt
Square Neck Depth
Max 0.219 - Min 0.188
Square Neck Width
Max 0.388 - Min 0.368
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
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