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Hex Tap Bolts 18-8 Stainless Steel 5/16-18"

5/16"-18 Stainless Steel Hex Tap Bolts

Diameter - Thread Pitch: 5/16" - 18 | 18-8 SS

5/16"-18 Stainless Steel Hex Tap Bolts:

  • 5/16"-18
  • Hexagon head designed to be driven by a wrench or socket
  • A Tap bolt is always full threaded regardless of length
  • Also referred to as a hex bolt
  • 18-8 Stainless steel tap screws offer protection from weather and corrosive environments
  • Rust resistant in freshwater environments
  • For saltwater environments use the 316 stainless steel version

A Hex Bolt is measured as: Diameter x Thread Pitch x Length from Under Head

Select Products Below See Product Specifications
NA = "Not Sold In Single Quantity"

Size/SKU
Select Package Quantity Price
SubTotal
5/16"-18 x 1/2"
SKU #102002
5/16"-18 x 1/2"
SKU #102002
1 $0.36 (0.36/ea)
100 $19.00 (0.19/ea)
1000 $160.00 (0.16/ea)
Subtotal: $0.00 /
5/16"-18 x 5/8"
SKU #102012
5/16"-18 x 5/8"
SKU #102012
1 $0.36 (0.36/ea)
100 $22.00 (0.22/ea)
1000 $200.00 (0.2/ea)
Subtotal: $0.00 /
5/16"-18 x 3/4"
SKU #102022
5/16"-18 x 3/4"
SKU #102022
1 $0.36 (0.36/ea)
100 $23.00 (0.23/ea)
1000 $220.00 (0.22/ea)
Subtotal: $0.00 /
5/16"-18 x 7/8"
SKU #102032
5/16"-18 x 7/8"
SKU #102032
1 $0.36 (0.36/ea)
100 $25.00 (0.25/ea)
1000 $230.00 (0.23/ea)
Subtotal: $0.00 /
5/16"-18 x 1"
SKU #102042
5/16"-18 x 1"
SKU #102042
1 $0.36 (0.36/ea)
100 $28.00 (0.28/ea)
1000 $250.00 (0.25/ea)
Subtotal: $0.00 /
5/16"-18 x 1-1/8"
SKU #102052
5/16"-18 x 1-1/8"
SKU #102052
1 $0.38 (0.38/ea)
100 $33.00 (0.33/ea)
1000 $310.00 (0.31/ea)
Subtotal: $0.00 /
5/16"-18 x 1-1/4"
SKU #102062
5/16"-18 x 1-1/4"
SKU #102062
1 $0.36 (0.36/ea)
100 $31.00 (0.31/ea)
1000 $300.00 (0.3/ea)
Subtotal: $0.00 /
5/16"-18 x 1-1/2"
SKU #102082
5/16"-18 x 1-1/2"
SKU #102082
1 $0.64 (0.64/ea)
100 $42.00 (0.42/ea)
1000 $360.00 (0.36/ea)
Subtotal: $0.00 /
5/16"-18 x 1-3/4"
SKU #102102
5/16"-18 x 1-3/4"
SKU #102102
1 $0.68 (0.68/ea)
100 $48.00 (0.48/ea)
1000 $420.00 (0.42/ea)
Subtotal: $0.00 /
5/16"-18 x 2"
SKU #102112
5/16"-18 x 2"
SKU #102112
1 $0.75 (0.75/ea)
100 $56.00 (0.56/ea)
1000 $480.00 (0.48/ea)
Subtotal: $0.00 /
5/16"-18 x 2-1/4"
SKU #102122
5/16"-18 x 2-1/4"
SKU #102122
1 $0.81 (0.81/ea)
100 $60.00 (0.6/ea)
1000 $520.00 (0.52/ea)
Subtotal: $0.00 /
5/16"-18 x 2-1/2"
SKU #102132
5/16"-18 x 2-1/2"
SKU #102132
1 $0.88 (0.88/ea)
100 $65.00 (0.65/ea)
1000 $560.00 (0.56/ea)
Subtotal: $0.00 /
5/16"-18 x 2-3/4"
SKU #102142
5/16"-18 x 2-3/4"
SKU #102142
1 $0.85 (0.85/ea)
100 $77.00 (0.77/ea)
1000 $740.00 (0.74/ea)
Subtotal: $0.00 /
5/16"-18 x 3"
SKU #102152
5/16"-18 x 3"
SKU #102152
1 $1.07 (1.07/ea)
100 $78.00 (0.78/ea)
1000 $670.00 (0.67/ea)
Subtotal: $0.00 /
5/16"-18 x 3-1/2"
SKU #102162
5/16"-18 x 3-1/2"
SKU #102162
1 $1.28 (1.28/ea)
100 $102.00 (1.02/ea)
1000 $880.00 (0.88/ea)
Subtotal: $0.00 /
5/16"-18 x 4"
SKU #102172
5/16"-18 x 4"
SKU #102172
1 $1.35 (1.35/ea)
100 $109.00 (1.09/ea)
1000 $930.00 (0.93/ea)
Subtotal: $0.00 /
5/16"-18 x 4-1/2"
SKU #102182
5/16"-18 x 4-1/2"
SKU #102182
1 $1.56 (1.56/ea)
100 $130.00 (1.3/ea)
1000 $1,110.00 (1.11/ea)
Subtotal: $0.00 /
5/16"-18 x 5"
SKU #102192
5/16"-18 x 5"
SKU #102192
1 $1.83 (1.83/ea)
100 $152.00 (1.52/ea)
1000 $1,300.00 (1.3/ea)
Subtotal: $0.00 /
5/16"-18 x 6"
SKU #102202
5/16"-18 x 6"
SKU #102202
1 $2.03 (2.03/ea)
100 $170.00 (1.7/ea)
1000 $1,460.00 (1.46/ea)
Subtotal: $0.00 /

Frequently Used With

Flat Washers 304 SS - 5/16" (.343 ID x 3/4 OD x .050 Thick)
Flat Washers 304 SS - 5/16" (.343 ID x 3/4 OD x .050 Thick) 1000-105152
Flat Washers 304 SS - 5/16
1 $0.09 (0.09/ea)
100 $5.00 (0.05/ea)
1000 $40.00 (0.04/ea)
Subtotal: $0.00
Hex Finish Nuts 304 SS - 5/16"-18 (1/2" Flats x 17/64" Thick)
Hex Finish Nuts 304 SS - 5/16"-18 (1/2" Flats x 17/64" Thick) 123022
Hex Finish Nuts 304 SS - 5/16
1 $0.11 (0.11/ea)
100 $8.00 (0.08/ea)
1000 $60.00 (0.06/ea)
Subtotal: $0.00
Fender Washers 304 SS - 5/16 x 1-1/4" (.343 ID x 1-1/4 OD x .050 Thick)
Fender Washers 304 SS - 5/16 x 1-1/4" (.343 ID x 1-1/4 OD x .050 Thick) 106122
Fender Washers 304 SS - 5/16 x 1-1/4
1 $0.26 (0.26/ea)
100 $17.00 (0.17/ea)
1000 $150.00 (0.15/ea)
Subtotal: $0.00
Lock Washer Split Ring 304 SS - 5/16" (.314 ID x .583 OD x .078 Thick)
Lock Washer Split Ring 304 SS - 5/16" (.314 ID x .583 OD x .078 Thick) 108112
Lock Washer Split Ring 304 SS - 5/16
1 $0.11 (0.11/ea)
100 $6.00 (0.06/ea)
1000 $50.00 (0.05/ea)
Subtotal: $0.00
Nylon Lock Nut 304 SS - 5/16-18 (.502 Flats x .359 Height)
Nylon Lock Nut 304 SS - 5/16-18 (.502 Flats x .359 Height) 128112
Nylon Lock Nut 304 SS - 5/16-18 (.502 Flats x .359 Height)
1 $0.22 (0.22/ea)
100 $16.00 (0.16/ea)
1000 $140.00 (0.14/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
Product Specifications
ANSI
B18.2.1
Color
Silver
Corrosion Resistant
Yes
Diameter
5/16"
Drive Style
External Hex
Elongation
30%
FT = Full Thread
Yes
Grade
18-8
Hardness
100 Rockwell B
Head Height Max
0.211
Head Style
Hex
Material
Stainless Steel
Overall Head Height
Max 0.211 - Min 0.195
Product Type
Hex Tap Bolts
Reduction
40%
Standards Met
ANSI B18.2.1
System of Measurement (Unit)
Inch
Tensile PSI
100,000 - 125,000
Thread Direction
Right Hand
Thread Pitch (Count)
18 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Wrench Size
1/2"
Yield PSI
55,000 - 75,000

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