LABOR DAY SALE IS LIVE! SAVE UP TO 20% OFF YOUR ENTIRE ORDER.

Apply code in shopping cart. Limited time offer.

Labor Day Holiday Hours

We will be closing at 2:00 PM EST on September 4th, and will remain closed through Monday, September 7th in observance of Labor Day, reopening on Tuesday, September 8th. For same-day express shipping, please order by 11:00 AM EST today.

All orders, including express orders, may experience slight delays.

AlbanyCountyFasteners.com wishes our Fastener Family a safe and happy Labor Day!

Blog Fasteners101 FAQ's Reviews About Us Tax Exempt Customers
Go to homepage
Shipping Info
Request A Quote
Live Chat
CONTACT US
866-573-0445
Mon-Fri 8am-5pm EST
0
Shopping cart
0 / $0.00*
Orders & Buy Again
Skip image gallery
Print this page

Machine Screws, Phillips Flat Head, Stainless Steel 18-8, 5/16"-18 x 1-1/4"

Diameter - Thread Pitch: 5/16"-18
  • 18-8 Stainless steel includes 303 and 304 stainless steel
  • A machine screw is commonly identified by its small size
  • Considered the fastener industry standard for stainless steel
  • Flat head screws are made to sit flush against their installed material
  • Corrosion and rust resistant
  • Excellent in applications exposed to fresh water or moisture

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

Product number: 2400042
Print this page
Click on a size/sku in the table to view product-specific details and specifications.

Specifications

  • ANSI: ANSI B18.6.3
  • Class: 2A
  • Color: Silver
  • Condition: New
  • Corrosion Resistant: Yes
  • Countersink: 82 Degree
  • Diameter: 5/16"
  • Drive Style: Phillips
  • Head Type: Flat Head
  • Thread Direction: Right Hand
  • Thread Type: Coarse
  • Fit: 2A
  • Grade: 18-8
  • Head Height Max: 0.191
  • Head Diameter: Max 0.635 - Min 0.568
  • Head Style: Flat
  • Length: 1-1/4"
  • Material: Stainless Steel
  • Overall Head Height: Max 0.191 - Min 0.165
  • Part Number: 717029162861
  • Phillips Drive: #4
  • Product Type: Machine Screws
  • Size System: US
  • Size Type: Regular
  • Standards Met: ANSI B18.6.3
  • 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

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)
SKU: 1000-105152
Volume Pricing*
1
$0.09
($0.09/ea)
100
$5.00
($0.05/ea)
1000
$40.00
($0.04/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)
SKU: 123022
Volume Pricing*
1
$0.11
($0.11/ea)
100
$8.00
($0.08/ea)
1000
$60.00
($0.06/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)
SKU: 108112
Volume Pricing*
1
$0.11
($0.11/ea)
100
$6.00
($0.06/ea)
1000
$50.00
($0.05/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)
SKU: 128112
Volume Pricing*
1
$0.22
($0.22/ea)
100
$16.00
($0.16/ea)
1000
$140.00
($0.14/ea)
$0.00
Phillips Power Bits, #4, Length 2-3/4" Phillips Power Bits, #4, Length 2-3/4"
SKU: 1050-500-0041
Volume Pricing*
1
$1.46
($1.46/ea)
10
$12.00
($1.20/ea)
50
$57.00
($1.14/ea)
$0.00
Select Size/SKU & Quantity
14 Available Sizes
SIZE/SKU Review Volume Pricing* Enter Any Qty
5/16"-18 x 1/2"
2400002
1
$0.52 ($0.52/ea)
100
$36.00 ($0.36/ea)
1000
$320.00 ($0.32/ea)
$0.00
5/16"-18 x 5/8"
2400012
1
$0.54 ($0.54/ea)
100
$37.00 ($0.37/ea)
1000
$340.00 ($0.34/ea)
$0.00
5/16"-18 x 3/4"
2400022
1
$0.57 ($0.57/ea)
100
$39.00 ($0.39/ea)
1000
$350.00 ($0.35/ea)
$0.00
5/16"-18 x 1"
2400032
1
$0.61 ($0.61/ea)
100
$41.00 ($0.41/ea)
1000
$370.00 ($0.37/ea)
$0.00
5/16"-18 x 1-1/4"
2400042
1
$0.64 ($0.64/ea)
100
$42.00 ($0.42/ea)
1000
$380.00 ($0.38/ea)
$0.00
5/16"-18 x 1-1/2"
2400052
1
$0.65 ($0.65/ea)
100
$43.00 ($0.43/ea)
1000
$390.00 ($0.39/ea)
$0.00
5/16"-18 x 1-3/4"
2400062
1
$0.82 ($0.82/ea)
100
$56.00 ($0.56/ea)
1000
$500.00 ($0.50/ea)
$0.00
5/16"-18 x 2"
2400072
1
$0.86 ($0.86/ea)
100
$59.00 ($0.59/ea)
1000
$530.00 ($0.53/ea)
$0.00
5/16"-18 x 2-1/4"
2400082
1
$1.06 ($1.06/ea)
100
$71.00 ($0.71/ea)
1000
$630.00 ($0.63/ea)
$0.00
5/16"-18 x 2-1/2"
2400092
1
$1.09 ($1.09/ea)
100
$77.00 ($0.77/ea)
1000
$700.00 ($0.70/ea)
$0.00
5/16"-18 x 3"
2400102
1
$1.20 ($1.20/ea)
100
$91.00 ($0.91/ea)
1000
$810.00 ($0.81/ea)
$0.00
5/16"-18 x 3-1/2"
2400112
1
$1.63 ($1.63/ea)
100
$122.00 ($1.22/ea)
1000
$1,100.00 ($1.10/ea)
$0.00
5/16"-18 x 4"
2400122
1
$1.96 ($1.96/ea)
100
$147.00 ($1.47/ea)
1000
$1,320.00 ($1.32/ea)
$0.00
5/16"-18 x 5"
2400132
1
$3.26 ($3.26/ea)
100
$239.00 ($2.39/ea)
1000
$2,150.00 ($2.15/ea)
$0.00

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

Page Total: $0.00

Subscribe to our regular newsletter now to stay tuned on the latest products and special offers.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Privacy*