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5/16-18 Phillips Truss Head Machine Screw 18-8 Stainless Steel"

5/16"-18 Stainless Steel Phillips Truss Head Machine Screws

Diameter - Thread Pitch: 5/16"-18

  • Truss Head: Over-sized head with undercut bottom and low profile domed top
  • A machine screw is commonly identified by its small size
  • Lower profile than pan head screws
  • Distributes the force of the screw over a wider surface area
  • 18-8 Stainless steel Phillips head machine screws are rust and corrosion resistant in applications exposed to freshwater moisture

5/16"-18 Phillips truss head machine screws are available in 18-8 stainless steel.

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

Size
Select Package Quantity
SubTotal
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1/2"
SKU #11620002
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1/2"
SKU #11620002
1
 NA
25
 $11.75 (0.47/ea)
100
 $43.00 (0.43/ea)
1000
 $370.00 (0.37/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 5/8"
SKU #11620012
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 5/8"
SKU #11620012
1
 NA
25
 $12.00 (0.48/ea)
100
 $47.00 (0.47/ea)
1000
 $400.00 (0.4/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 3/4"
SKU #11620022
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 3/4"
SKU #11620022
1
 NA
25
 $13.75 (0.55/ea)
100
 $52.00 (0.52/ea)
1000
 $450.00 (0.45/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1"
SKU #11620032
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1"
SKU #11620032
1
 NA
25
 $15.25 (0.61/ea)
100
 $56.00 (0.56/ea)
1000
 $490.00 (0.49/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1-1/4"
SKU #11620042
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1-1/4"
SKU #11620042
1
 NA
25
 $16.50 (0.66/ea)
100
 $64.00 (0.64/ea)
1000
 $560.00 (0.56/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1-1/2"
SKU #11620052
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1-1/2"
SKU #11620052
1
 NA
25
 $19.25 (0.77/ea)
100
 $73.00 (0.73/ea)
1000
 $630.00 (0.63/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1-3/4"
SKU #11620062
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 1-3/4"
SKU #11620062
1
 $2.19 (2.19/ea)
25
 $52.75 (2.11/ea)
100
 $93.00 (0.93/ea)
1000
 $810.00 (0.81/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 2"
SKU #11620072
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 2"
SKU #11620072
1
 $1.05 (1.05/ea)
25
 $25.00 (1/ea)
100
 $98.00 (0.98/ea)
1000
 $850.00 (0.85/ea)
Subtotal: $0.00 /
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 2-1/2"
SKU #11620082
Phillips Truss Head Machine Screw 18-8 SS - 5/16"-18 x 2-1/2"
SKU #11620082
1
 $1.30 (1.3/ea)
25
 $31.25 (1.25/ea)
100
 $118.00 (1.18/ea)
1000
 $1,020.00 (1.02/ea)
Subtotal: $0.00 /

Frequently Used With

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
 $2.75 (0.11/ea)
100
 $7.00 (0.07/ea)
1000
 $60.00 (0.06/ea)
Subtotal: $0.00 /
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 /
Product Specifications
ANSI
ANSI B18.6.3
Class
2A
Color
Silver
Corrosion Resistant
Yes
Diameter
5/16"
Drive Style
Phillips
Elongation
30%
Fit
Class 2A
Grade
18-8
Hardness
100 Rockwell B
Head Diameter
Max 0.698 - Min 0.666
Head Height Max
0.183
Head Style
Truss
Material
Stainless Steel
Overall Head Height
Max 0.183 - Min 0.161
Phillips Drive
#4
Product Type
Machine Screws
Reduction
40%
Standards Met
ANSI B18.6.3
System of Measurement (Unit)
Inch
Tensile PSI
100,000 - 125,000 PSI
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
Yield PSI
55,000 - 75,000 PSI

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