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Socket Cap Screws, Flat Head, Stainless Steel 18-8, 5/16"-18 x 4"

Screw Diameter - Thread Pitch: 5/16"-18

5/16"-18 Flat Head Socket Cap Screws are machine screws with a Hex drive style.

  • Countersunk bottom that runs flush with the installation surface
  • Cylindrical head
  • Hexagonal drive style
  • Fully threaded up to the countersink
  • Corrosion and rust resistant
  • Ideal for exterior or long lasting applications exposed to fresh water moisture
Head height is measured from the bottom of the countersink to the top of the head

Sizes Listed As:
Diameter - Thread Pitch x Length from Top of Head

Product number: 45142
Print this page
Click on a size/sku in the table to view product-specific details and specifications.

Specifications

  • Color: Silver
  • Condition: New
  • Corrosion Resistant: Yes
  • Countersink: 82 Degrees
  • Diameter: 5/16"
  • Drive Style: Internal Hex (Allen)
  • Head Type: Flat Head
  • Thread Direction: Right Hand
  • Thread Type: Coarse
  • Fit: 3A
  • Grade: 18-8
  • Head Height Max: 0.198
  • Head Diameter: Max 0.656 - Min 0.600
  • Head Style: Flat
  • Hex Drive: 3/16"
  • Length: 4"
  • Material: Stainless Steel
  • Overall Head Height: Max 0.198 - Min 0.181
  • Part Number: 717029183736
  • Product Type: Socket Cap Screws
  • Size System: US
  • Size Type: Regular
  • Standards Met: ASTM F 835
  • System of Measurement: Inch
  • Thread Direction: Right Hand
  • Thread Pitch: 18 Per Inch
  • Thread Size: 5/16"-18
  • Thread Standard: UNC
  • Thread Type: Coarse
  • Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
  • Weight: 1 lb

Frequently Used With

Finishing Cup Washers, Stainless Steel 18-8, 5/16" Finishing Cup Washers, Stainless Steel 18-8, 5/16"
Volume Pricing*
1
$0.26
($0.26/ea)
100
$18.00
($0.18/ea)
1000
$160.00
($0.16/ea)
$0.00
Flat Washers, Stainless Steel 304, 5/16" (.343 ID x 3/4 OD x .050 Thick) Flat Washers, Stainless Steel 304, 5/16" (.343 ID x 3/4 OD x .050 Thick)
Volume Pricing*
1
$0.09
($0.09/ea)
100
$5.00
($0.05/ea)
1000
$40.00
($0.04/ea)
$0.00
Lock Washers, Split Ring, Stainless Steel 304, 5/16" (.314 ID x .583 OD x .078 Thick) Lock Washers, Split Ring, Stainless Steel 304, 5/16" (.314 ID x .583 OD x .078 Thick)
Volume Pricing*
1
$0.11
($0.11/ea)
100
$6.00
($0.06/ea)
1000
$50.00
($0.05/ea)
$0.00
Hex Finish Nuts, Stainless Steel 304, 5/16"-18 (1/2" Flats x 17/64" Thick) Hex Finish Nuts, Stainless Steel 304, 5/16"-18 (1/2" Flats x 17/64" Thick)
Volume Pricing*
1
$0.11
($0.11/ea)
100
$8.00
($0.08/ea)
1000
$60.00
($0.06/ea)
$0.00
Nylon Lock Nuts, Stainless Steel 304, 5/16-18 (.502 Flats x .359 Height) Nylon Lock Nuts, Stainless Steel 304, 5/16-18 (.502 Flats x .359 Height)
Volume Pricing*
1
$0.22
($0.22/ea)
100
$16.00
($0.16/ea)
1000
$140.00
($0.14/ea)
$0.00
Hex Socket Head Allen Power Bits, 3/16, Length 2" Hex Socket Head Allen Power Bits, 3/16, Length 2"
Volume Pricing*
1
$3.15
($3.15/ea)
10
$29.80
($2.98/ea)
50
$129.50
($2.59/ea)
$0.00
Hex Allen Key, Short Arm, Black Alloy Steel, 3/16" Hex Allen Key, Short Arm, Black Alloy Steel, 3/16"
Volume Pricing*
1
$0.50
($0.50/ea)
100
$45.00
($0.45/ea)
1000
$400.00
($0.40/ea)
$0.00
Select Size/SKU & Quantity
13 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
5/16"-18 x 1/2"
45012
1
$0.40 ($0.40/ea)
100
$31.00 ($0.31/ea)
1000
$260.00 ($0.26/ea)
$0.00
5/16"-18 x 5/8"
45022
1
$0.42 ($0.42/ea)
100
$32.00 ($0.32/ea)
1000
$270.00 ($0.27/ea)
$0.00
5/16"-18 x 3/4"
45032
1
$0.49 ($0.49/ea)
100
$39.00 ($0.39/ea)
1000
$320.00 ($0.32/ea)
$0.00
5/16"-18 x 7/8"
45042
1
$0.47 ($0.47/ea)
100
$41.00 ($0.41/ea)
1000
$390.00 ($0.39/ea)
$0.00
5/16"-18 x 1"
45052
1
$0.51 ($0.51/ea)
100
$39.00 ($0.39/ea)
1000
$340.00 ($0.34/ea)
$0.00
5/16"-18 x 1-1/4"
45062
1
$0.55 ($0.55/ea)
100
$42.00 ($0.42/ea)
1000
$370.00 ($0.37/ea)
$0.00
5/16"-18 x 1-1/2"
45072
1
$0.62 ($0.62/ea)
100
$48.00 ($0.48/ea)
1000
$420.00 ($0.42/ea)
$0.00
5/16"-18 x 1-3/4"
45082
1
$0.74 ($0.74/ea)
100
$57.00 ($0.57/ea)
1000
$500.00 ($0.50/ea)
$0.00
5/16"-18 x 2"
45092
1
$0.81 ($0.81/ea)
100
$62.00 ($0.62/ea)
1000
$540.00 ($0.54/ea)
$0.00
5/16"-18 x 2-1/2"
45112
1
$1.35 ($1.35/ea)
100
$104.00 ($1.04/ea)
1000
$910.00 ($0.91/ea)
$0.00
5/16"-18 x 3"
45122
1
$2.00 ($2.00/ea)
100
$154.00 ($1.54/ea)
1000
$1,360.00 ($1.36/ea)
$0.00
5/16"-18 x 3-1/2"
45132
1
$2.40 ($2.40/ea)
100
$184.00 ($1.84/ea)
1000
$1,620.00 ($1.62/ea)
$0.00
5/16"-18 x 4"
45142
1
$2.63 ($2.63/ea)
100
$203.00 ($2.03/ea)
1000
$1,780.00 ($1.78/ea)
$0.00

*Volume pricing available on select products. Products without quantity breaks are priced per unit.

Page Total: $0.00

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