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
$0.67 (0.67/ea)
25
$16.50 (0.66/ea)
100
$60.00 (0.6/ea)
1000
$590.00 (0.59/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
$0.61 (0.61/ea)
25
$15.00 (0.6/ea)
100
$58.00 (0.58/ea)
1000
$560.00 (0.56/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
$0.85 (0.85/ea)
25
$20.25 (0.81/ea)
100
$77.00 (0.77/ea)
1000
$740.00 (0.74/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
$0.86 (0.86/ea)
25
$21.00 (0.84/ea)
100
$83.00 (0.83/ea)
1000
$810.00 (0.81/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
$0.99 (0.99/ea)
25
$23.50 (0.94/ea)
100
$89.00 (0.89/ea)
1000
$880.00 (0.88/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
$0.94 (0.94/ea)
25
$22.50 (0.9/ea)
100
$87.00 (0.87/ea)
1000
$860.00 (0.86/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
$1.23 (1.23/ea)
25
$29.25 (1.17/ea)
100
$111.00 (1.11/ea)
1000
$1,090.00 (1.09/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
$1.09 (1.09/ea)
25
$26.75 (1.07/ea)
100
$102.00 (1.02/ea)
1000
$1,010.00 (1.01/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
$1.16 (1.16/ea)
25
$27.75 (1.11/ea)
100
$108.00 (1.08/ea)
1000
$1,060.00 (1.06/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
$1.26 (1.26/ea)
25
$30.75 (1.23/ea)
100
$117.00 (1.17/ea)
1000
$1,150.00 (1.15/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
$1.33 (1.33/ea)
25
$32.25 (1.29/ea)
100
$124.00 (1.24/ea)
1000
$1,230.00 (1.23/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
$1.64 (1.64/ea)
25
$40.00 (1.6/ea)
100
$152.00 (1.52/ea)
1000
$1,500.00 (1.5/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)
25
$36.25 (1.45/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
$1.84 (1.84/ea)
25
$44.25 (1.77/ea)
100
$170.00 (1.7/ea)
1000
$1,680.00 (1.68/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
$1.91 (1.91/ea)
25
$46.00 (1.84/ea)
100
$176.00 (1.76/ea)
1000
$1,750.00 (1.75/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
$2.12 (2.12/ea)
25
$50.75 (2.03/ea)
100
$196.00 (1.96/ea)
1000
$1,950.00 (1.95/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
$2.32 (2.32/ea)
25
$56.00 (2.24/ea)
100
$216.00 (2.16/ea)
1000
$2,140.00 (2.14/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
$2.19 (2.19/ea)
25
$52.50 (2.1/ea)
100
$201.00 (2.01/ea)
1000
$1,990.00 (1.99/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
$5.87 (5.87/ea)
25
$140.75 (5.63/ea)
100
$541.00 (5.41/ea)
1000
$5,380.00 (5.38/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
$6.11 (6.11/ea)
25
$146.75 (5.87/ea)
100
$562.00 (5.62/ea)
1000
$5,610.00 (5.61/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
$5.77 (5.77/ea)
25
$138.50 (5.54/ea)
100
$530.00 (5.3/ea)
1000
$5,290.00 (5.29/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
$5.81 (5.81/ea)
25
$139.75 (5.59/ea)
100
$534.00 (5.34/ea)
1000
$5,320.00 (5.32/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
$6.24 (6.24/ea)
25
$145.25 (5.81/ea)
100
$543.00 (5.43/ea)
1000
$5,410.00 (5.41/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
$8.79 (8.79/ea)
25
$204.25 (8.17/ea)
100
$756.00 (7.56/ea)
1000
$6,940.00 (6.94/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
$7.15 (7.15/ea)
25
$166.75 (6.67/ea)
100
$617.00 (6.17/ea)
1000
$5,780.00 (5.78/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
$7.64 (7.64/ea)
25
$183.50 (7.34/ea)
100
$702.00 (7.02/ea)
1000
$7,000.00 (7/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)
25
$233.75 (9.35/ea)
100
$896.00 (8.96/ea)
1000
$8,940.00 (8.94/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
$11.73 (11.73/ea)
25
$281.50 (11.26/ea)
100
$1,075.00 (10.75/ea)
1000
$10,730.00 (10.73/ea)
Subtotal: $0.00 /

Frequently Used With

1
NA
25
$4.25 (0.17/ea)
100
$15.00 (0.15/ea)
1000
$130.00 (0.13/ea)
Subtotal: $0.00 /
1
NA
25
$2.50 (0.1/ea)
100
$8.00 (0.08/ea)
1000
$70.00 (0.07/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