Carriage Bolts 316 Stainless Steel 1/4-20"

1/4"-20 316 Stainless Steel Carriage Bolt

Diameter - Thread Pitch: 1/4-20


  • 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
  • 316 Stainless steel is corrosion and rust resistant
  • 316 Stainless steel is considered the fastener industry standard

1/4"-20 Carriage bolts have a domed or countersunk head, and the shank is topped by a short square section under the head.

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 316 Stainless Steel 1/4"-20 x 1/2" FT
SKU #6006-004-002
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1/2" FT
SKU #6006-004-002
1
$1.03 (1.03/ea)
25
$25.00 (1/ea)
100
$97.00 (0.97/ea)
1000
$940.00 (0.94/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3/4" FT
SKU #6006-004-004
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3/4" FT
SKU #6006-004-004
1
$1.36 (1.36/ea)
25
$32.75 (1.31/ea)
100
$124.00 (1.24/ea)
1000
$1,230.00 (1.23/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1" FT
SKU #6006-004-006
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1" FT
SKU #6006-004-006
1
$1.43 (1.43/ea)
25
$34.25 (1.37/ea)
100
$133.00 (1.33/ea)
1000
$1,310.00 (1.31/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1-1/4" FT
SKU #6006-004-008
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1-1/4" FT
SKU #6006-004-008
1
$1.75 (1.75/ea)
25
$41.75 (1.67/ea)
100
$162.00 (1.62/ea)
1000
$1,600.00 (1.6/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1-1/2" FT
SKU #6006-004-010
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1-1/2" FT
SKU #6006-004-010
1
$1.95 (1.95/ea)
25
$47.50 (1.9/ea)
100
$181.00 (1.81/ea)
1000
$1,780.00 (1.78/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1-3/4" FT
SKU #6006-004-012
Carriage Bolt 316 Stainless Steel 1/4"-20 x 1-3/4" FT
SKU #6006-004-012
1
$2.23 (2.23/ea)
25
$54.00 (2.16/ea)
100
$204.00 (2.04/ea)
1000
$2,030.00 (2.03/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2" FT
SKU #6006-004-014
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2" FT
SKU #6006-004-014
1
$2.25 (2.25/ea)
25
$54.50 (2.18/ea)
100
$209.00 (2.09/ea)
1000
$2,060.00 (2.06/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2-1/4" FT
SKU #6006-004-016
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2-1/4" FT
SKU #6006-004-016
1
$2.76 (2.76/ea)
25
$66.00 (2.64/ea)
100
$254.00 (2.54/ea)
1000
$2,530.00 (2.53/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2-1/2" FT
SKU #6006-004-018
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2-1/2" FT
SKU #6006-004-018
1
$2.69 (2.69/ea)
25
$64.75 (2.59/ea)
100
$249.00 (2.49/ea)
1000
$2,460.00 (2.46/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2-3/4" FT
SKU #6006-004-020
Carriage Bolt 316 Stainless Steel 1/4"-20 x 2-3/4" FT
SKU #6006-004-020
1
$3.12 (3.12/ea)
25
$75.00 (3/ea)
100
$287.00 (2.87/ea)
1000
$2,850.00 (2.85/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3" FT
SKU #6006-004-022
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3" FT
SKU #6006-004-022
1
$3.07 (3.07/ea)
25
$73.75 (2.95/ea)
100
$283.00 (2.83/ea)
1000
$2,820.00 (2.82/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3-1/4" FT
SKU #6006-004-024
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3-1/4" FT
SKU #6006-004-024
1
$3.63 (3.63/ea)
25
$87.25 (3.49/ea)
100
$333.00 (3.33/ea)
1000
$3,300.00 (3.3/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3-1/2" FT
SKU #6006-004-026
Carriage Bolt 316 Stainless Steel 1/4"-20 x 3-1/2" FT
SKU #6006-004-026
1
$3.66 (3.66/ea)
25
$87.75 (3.51/ea)
100
$336.00 (3.36/ea)
1000
$3,340.00 (3.34/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 4" FT
SKU #6006-004-028
Carriage Bolt 316 Stainless Steel 1/4"-20 x 4" FT
SKU #6006-004-028
1
$4.17 (4.17/ea)
25
$100.50 (4.02/ea)
100
$385.00 (3.85/ea)
1000
$3,830.00 (3.83/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 4-1/2" FT
SKU #6006-004-030
Carriage Bolt 316 Stainless Steel 1/4"-20 x 4-1/2" FT
SKU #6006-004-030
1
$4.81 (4.81/ea)
25
$115.50 (4.62/ea)
100
$444.00 (4.44/ea)
1000
$4,420.00 (4.42/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 5" FT
SKU #6006-004-032
Carriage Bolt 316 Stainless Steel 1/4"-20 x 5" FT
SKU #6006-004-032
1
$4.81 (4.81/ea)
25
$115.50 (4.62/ea)
100
$443.00 (4.43/ea)
1000
$4,400.00 (4.4/ea)
Subtotal: $0.00 /
Carriage Bolt 316 Stainless Steel 1/4"-20 x 6" FT
SKU #6006-004-034
Carriage Bolt 316 Stainless Steel 1/4"-20 x 6" FT
SKU #6006-004-034
1
$5.71 (5.71/ea)
25
$137.25 (5.49/ea)
100
$526.00 (5.26/ea)
1000
$5,240.00 (5.24/ea)
Subtotal: $0.00 /




Product Specifications
Color
Silver
Corner Radius on Square
0.031
Corrosion Resistant
Yes
Filet Radius
0.031
Grade
316
Head Diameter
Max 0.594 - Min 0.563
Head Height Max
0.145
Head Style
Dome
Marine Grade
Yes
Material
Stainless Steel
Overall Head Height
Max 0.145 - Min 0.125
Product Type
Carriage Bolt
Square Neck Depth
Max 0.156 - Min 0.125
Square Neck Width
Max 0.260 - Min 0.245
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
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