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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

This item qualifies for FREE SHIPPING on orders $250+
Select Products Below See Product Specifications
NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1/2"
SKU #102002
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1/2"
SKU #102002
1
 NA
25
 $6.75 (0.27/ea)
100
 $19.00 (0.19/ea)
1000
 $160.00 (0.16/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 5/8"
SKU #102012
Hex Tap Bolt 18-8 SS - 5/16"-18 x 5/8"
SKU #102012
1
 NA
25
 $7.25 (0.29/ea)
100
 $22.00 (0.22/ea)
1000
 $200.00 (0.2/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 3/4"
SKU #102022
Hex Tap Bolt 18-8 SS - 5/16"-18 x 3/4"
SKU #102022
1
 NA
25
 $7.25 (0.29/ea)
100
 $23.00 (0.23/ea)
1000
 $220.00 (0.22/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 7/8"
SKU #102032
Hex Tap Bolt 18-8 SS - 5/16"-18 x 7/8"
SKU #102032
1
 NA
25
 $7.75 (0.31/ea)
100
 $25.00 (0.25/ea)
1000
 $230.00 (0.23/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1"
SKU #102042
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1"
SKU #102042
1
 NA
25
 $7.50 (0.3/ea)
100
 $28.00 (0.28/ea)
1000
 $250.00 (0.25/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-1/8"
SKU #102052
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-1/8"
SKU #102052
1
 NA
25
 $8.75 (0.35/ea)
100
 $33.00 (0.33/ea)
1000
 $310.00 (0.31/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-1/4"
SKU #102062
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-1/4"
SKU #102062
1
 NA
25
 $8.25 (0.33/ea)
100
 $31.00 (0.31/ea)
1000
 $300.00 (0.3/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-1/2"
SKU #102082
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-1/2"
SKU #102082
1
 NA
25
 $12.00 (0.48/ea)
100
 $45.00 (0.45/ea)
1000
 $430.00 (0.43/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-3/4"
SKU #102102
Hex Tap Bolt 18-8 SS - 5/16"-18 x 1-3/4"
SKU #102102
1
 NA
25
 $14.00 (0.56/ea)
100
 $50.00 (0.5/ea)
1000
 $490.00 (0.49/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2"
SKU #102112
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2"
SKU #102112
1
 NA
25
 $14.75 (0.59/ea)
100
 $57.00 (0.57/ea)
1000
 $530.00 (0.53/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2-1/4"
SKU #102122
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2-1/4"
SKU #102122
1
 $0.70 (0.7/ea)
25
 $16.75 (0.67/ea)
100
 $66.00 (0.66/ea)
1000
 $640.00 (0.64/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2-1/2"
SKU #102132
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2-1/2"
SKU #102132
1
 $0.77 (0.77/ea)
25
 $18.50 (0.74/ea)
100
 $70.00 (0.7/ea)
1000
 $680.00 (0.68/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2-3/4"
SKU #102142
Hex Tap Bolt 18-8 SS - 5/16"-18 x 2-3/4"
SKU #102142
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 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 3"
SKU #102152
Hex Tap Bolt 18-8 SS - 5/16"-18 x 3"
SKU #102152
1
 $0.88 (0.88/ea)
25
 $21.50 (0.86/ea)
100
 $85.00 (0.85/ea)
1000
 $820.00 (0.82/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 3-1/2"
SKU #102162
Hex Tap Bolt 18-8 SS - 5/16"-18 x 3-1/2"
SKU #102162
1
 $1.02 (1.02/ea)
25
 $24.75 (0.99/ea)
100
 $95.00 (0.95/ea)
1000
 $930.00 (0.93/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 4"
SKU #102172
Hex Tap Bolt 18-8 SS - 5/16"-18 x 4"
SKU #102172
1
 $1.14 (1.14/ea)
25
 $27.25 (1.09/ea)
100
 $106.00 (1.06/ea)
1000
 $1,030.00 (1.03/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 4-1/2"
SKU #102182
Hex Tap Bolt 18-8 SS - 5/16"-18 x 4-1/2"
SKU #102182
1
 $1.34 (1.34/ea)
25
 $32.75 (1.31/ea)
100
 $124.00 (1.24/ea)
1000
 $1,230.00 (1.23/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 5"
SKU #102192
Hex Tap Bolt 18-8 SS - 5/16"-18 x 5"
SKU #102192
1
 $1.47 (1.47/ea)
25
 $35.75 (1.43/ea)
100
 $137.00 (1.37/ea)
1000
 $1,360.00 (1.36/ea)
Subtotal: $0.00 /
Hex Tap Bolt 18-8 SS - 5/16"-18 x 6"
SKU #102202
Hex Tap Bolt 18-8 SS - 5/16"-18 x 6"
SKU #102202
1
 $1.76 (1.76/ea)
25
 $42.25 (1.69/ea)
100
 $162.00 (1.62/ea)
1000
 $1,600.00 (1.6/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
 NA
25
 $2.00 (0.08/ea)
100
 $6.00 (0.06/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 /
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
 NA
25
 $2.25 (0.09/ea)
100
 $7.00 (0.07/ea)
1000
 $60.00 (0.06/ea)
Subtotal: $0.00 /
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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