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Carriage Bolts 18-8 Stainless Steel 1/4-20"

1/4"-20 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
  • 18-8 Stainless steel is corrosion and rust resistant
  • 18-8 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.

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 1/4"-20 x 1/2"
SKU #76002
Carriage Bolt 18-8 SS 1/4"-20 x 1/2"
SKU #76002
1
 NA
25
 $5.75 (0.23/ea)
100
 $17.00 (0.17/ea)
1000
 $150.00 (0.15/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 5/8"
SKU #76012
Carriage Bolt 18-8 SS 1/4"-20 x 5/8"
SKU #76012
1
 NA
25
 $7.25 (0.29/ea)
100
 $23.00 (0.23/ea)
1000
 $220.00 (0.22/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 3/4"
SKU #76022
Carriage Bolt 18-8 SS 1/4"-20 x 3/4"
SKU #76022
1
 NA
25
 $6.75 (0.27/ea)
100
 $20.00 (0.2/ea)
1000
 $190.00 (0.19/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 1"
SKU #76032
Carriage Bolt 18-8 SS 1/4"-20 x 1"
SKU #76032
1
 NA
25
 $7.00 (0.28/ea)
100
 $23.00 (0.23/ea)
1000
 $210.00 (0.21/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 1-1/4"
SKU #76042
Carriage Bolt 18-8 SS 1/4"-20 x 1-1/4"
SKU #76042
1
 NA
25
 $7.25 (0.29/ea)
100
 $27.00 (0.27/ea)
1000
 $250.00 (0.25/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 1-1/2"
SKU #76052
Carriage Bolt 18-8 SS 1/4"-20 x 1-1/2"
SKU #76052
1
 NA
25
 $7.50 (0.3/ea)
100
 $29.00 (0.29/ea)
1000
 $280.00 (0.28/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 1-3/4"
SKU #76062
Carriage Bolt 18-8 SS 1/4"-20 x 1-3/4"
SKU #76062
1
 NA
25
 $8.75 (0.35/ea)
100
 $33.00 (0.33/ea)
1000
 $300.00 (0.3/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 2"
SKU #76072
Carriage Bolt 18-8 SS 1/4"-20 x 2"
SKU #76072
1
 NA
25
 $10.25 (0.41/ea)
100
 $39.00 (0.39/ea)
1000
 $370.00 (0.37/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 2-1/4"
SKU #76082
Carriage Bolt 18-8 SS 1/4"-20 x 2-1/4"
SKU #76082
1
 NA
25
 $21.50 (0.86/ea)
100
 $79.00 (0.79/ea)
1000
 $720.00 (0.72/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 2-1/2"
SKU #76092
Carriage Bolt 18-8 SS 1/4"-20 x 2-1/2"
SKU #76092
1
 NA
25
 $11.25 (0.45/ea)
100
 $42.00 (0.42/ea)
1000
 $390.00 (0.39/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 2-3/4"
SKU #76102
Carriage Bolt 18-8 SS 1/4"-20 x 2-3/4"
SKU #76102
1
 NA
25
 $13.25 (0.53/ea)
100
 $50.00 (0.5/ea)
1000
 $490.00 (0.49/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 3"
SKU #76112
Carriage Bolt 18-8 SS 1/4"-20 x 3"
SKU #76112
1
 NA
25
 $14.25 (0.57/ea)
100
 $53.00 (0.53/ea)
1000
 $510.00 (0.51/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 3-1/4"
SKU #76122
Carriage Bolt 18-8 SS 1/4"-20 x 3-1/4"
SKU #76122
1
 NA
25
 $12.75 (0.51/ea)
100
 $50.00 (0.5/ea)
1000
 $480.00 (0.48/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 3-1/2"
SKU #76132
Carriage Bolt 18-8 SS 1/4"-20 x 3-1/2"
SKU #76132
1
 $0.59 (0.59/ea)
25
 $14.25 (0.57/ea)
100
 $52.00 (0.52/ea)
1000
 $510.00 (0.51/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 3-3/4"
SKU #76142
Carriage Bolt 18-8 SS 1/4"-20 x 3-3/4"
SKU #76142
1
 $0.64 (0.64/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 1/4"-20 x 4"
SKU #76152
Carriage Bolt 18-8 SS 1/4"-20 x 4"
SKU #76152
1
 $0.65 (0.65/ea)
25
 $16.00 (0.64/ea)
100
 $60.00 (0.6/ea)
1000
 $590.00 (0.59/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 4-1/2"
SKU #76162
Carriage Bolt 18-8 SS 1/4"-20 x 4-1/2"
SKU #76162
1
 $0.73 (0.73/ea)
25
 $17.00 (0.68/ea)
100
 $64.00 (0.64/ea)
1000
 $610.00 (0.61/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 5"
SKU #76172
Carriage Bolt 18-8 SS 1/4"-20 x 5"
SKU #76172
1
 $0.81 (0.81/ea)
25
 $18.75 (0.75/ea)
100
 $70.00 (0.7/ea)
1000
 $640.00 (0.64/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 5-1/2"
SKU #76182
Carriage Bolt 18-8 SS 1/4"-20 x 5-1/2"
SKU #76182
1
 $0.90 (0.9/ea)
25
 $21.25 (0.85/ea)
100
 $78.00 (0.78/ea)
1000
 $720.00 (0.72/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 6"
SKU #76192
Carriage Bolt 18-8 SS 1/4"-20 x 6"
SKU #76192
1
 $1.00 (1/ea)
25
 $23.25 (0.93/ea)
100
 $86.00 (0.86/ea)
1000
 $810.00 (0.81/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 6-1/2"
SKU #76202
Carriage Bolt 18-8 SS 1/4"-20 x 6-1/2"
SKU #76202
1
 $6.37 (6.37/ea)
25
 $152.75 (6.11/ea)
100
 $585.00 (5.85/ea)
1000
 $5,830.00 (5.83/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 7"
SKU #76212
Carriage Bolt 18-8 SS 1/4"-20 x 7"
SKU #76212
1
 $9.18 (9.18/ea)
25
 $220.00 (8.8/ea)
100
 $843.00 (8.43/ea)
1000
 $8,400.00 (8.4/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 8"
SKU #76222
Carriage Bolt 18-8 SS 1/4"-20 x 8"
SKU #76222
1
 $9.29 (9.29/ea)
25
 $223.25 (8.93/ea)
100
 $853.00 (8.53/ea)
1000
 $8,510.00 (8.51/ea)
Subtotal: $0.00 /
Carriage Bolt 18-8 SS 1/4"-20 x 9"
SKU #76232
Carriage Bolt 18-8 SS 1/4"-20 x 9"
SKU #76232
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 /
Carriage Bolt 18-8 SS 1/4"-20 x 10"
SKU #76242
Carriage Bolt 18-8 SS 1/4"-20 x 10"
SKU #76242
1
 $20.39 (20.39/ea)
25
 $489.25 (19.57/ea)
100
 $1,871.00 (18.71/ea)
1000
 $18,700.00 (18.7/ea)
Subtotal: $0.00 /

Frequently Used With

Hex Finish Nuts 304 SS - 1/4"-20 (7/16" Flats x 7/32" Thick)
Hex Finish Nuts 304 SS - 1/4"-20 (7/16" Flats x 7/32" Thick) 123002
Hex Finish Nuts 304 SS - 1/4
1
 NA
25
 $2.25 (0.09/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1/4" (.281 ID x 5/8 OD x .050 Thick)
Flat Washers 304 SS - 1/4" (.281 ID x 5/8 OD x .050 Thick) 1000-105142
Flat Washers 304 SS - 1/4
1
 NA
25
 $1.50 (0.06/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz.
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz. 1050-106
MRO Solution 2400 - Marine Grade Anti-Seize Lubricant - 8 oz.
Anti Seize MRO Solution 2400 - 8oz
Prevent Fastener Galling & Locking Up with Anti-Seize Lubricants

Our Price: $18.11
Subtotal: $0.00 /
Product Specifications
Color
Silver
Corner Radius on Square
0.031
Corrosion Resistant
Yes
Filet Radius
0.031
Grade
18-8
Head Diameter
Max 0.594 - Min 0.563
Head Height Max
0.145
Head Style
Dome
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

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