Print this page
#4-40 Phillips Flat Head Machine Screw 18-8 Stainless Steel

#4-40 Stainless Steel Phillips Flat Head Machine Screws

Diameter - Thread Pitch: #4-40

  • 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

#4-40 Stainless steel Phillips flat 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 Flat Head Machine Screw 18-8 SS - #4-40 x 1/8"
SKU #1600002
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1/8"
SKU #1600002
1
 NA
25
 $2.25 (0.09/ea)
100
 $7.00 (0.07/ea)
1000
 $60.00 (0.06/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 3/16"
SKU #1600012
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 3/16"
SKU #1600012
1
 NA
25
 $2.25 (0.09/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1/4"
SKU #1600022
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1/4"
SKU #1600022
1
 NA
25
 $2.25 (0.09/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 5/16"
SKU #1600032
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 5/16"
SKU #1600032
1
 NA
25
 $2.25 (0.09/ea)
100
 $4.00 (0.04/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 3/8"
SKU #1600042
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 3/8"
SKU #1600042
1
 NA
25
 $2.25 (0.09/ea)
100
 $4.00 (0.04/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 7/16"
SKU #1600052
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 7/16"
SKU #1600052
1
 NA
25
 $2.25 (0.09/ea)
100
 $4.00 (0.04/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1/2"
SKU #1600062
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1/2"
SKU #1600062
1
 NA
25
 $2.50 (0.1/ea)
100
 $4.00 (0.04/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 9/16"
SKU #1600072
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 9/16"
SKU #1600072
1
 NA
25
 $2.50 (0.1/ea)
100
 $6.00 (0.06/ea)
1000
 $50.00 (0.05/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 5/8"
SKU #1600082
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 5/8"
SKU #1600082
1
 NA
25
 $3.00 (0.12/ea)
100
 $4.00 (0.04/ea)
1000
 $30.00 (0.03/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 11/16"
SKU #1600092
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 11/16"
SKU #1600092
1
 NA
25
 $4.00 (0.16/ea)
100
 $10.00 (0.1/ea)
1000
 $80.00 (0.08/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 3/4"
SKU #1600102
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 3/4"
SKU #1600102
1
 NA
25
 $3.50 (0.14/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 7/8"
SKU #1600112
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 7/8"
SKU #1600112
1
 NA
25
 $3.75 (0.15/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1"
SKU #1600122
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1"
SKU #1600122
1
 NA
25
 $4.00 (0.16/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-1/8"
SKU #1600132
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-1/8"
SKU #1600132
1
 NA
25
 $8.00 (0.32/ea)
100
 $24.00 (0.24/ea)
1000
 $200.00 (0.2/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-1/4"
SKU #1600142
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-1/4"
SKU #1600142
1
 NA
25
 $4.00 (0.16/ea)
100
 $7.00 (0.07/ea)
1000
 $60.00 (0.06/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-1/2"
SKU #1600152
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-1/2"
SKU #1600152
1
 NA
25
 $4.50 (0.18/ea)
100
 $10.00 (0.1/ea)
1000
 $80.00 (0.08/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-3/4"
SKU #1600162
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 1-3/4"
SKU #1600162
1
 NA
25
 $5.25 (0.21/ea)
100
 $11.00 (0.11/ea)
1000
 $90.00 (0.09/ea)
Subtotal: $0.00 /
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 2"
SKU #1600172
Phillips Flat Head Machine Screw 18-8 SS - #4-40 x 2"
SKU #1600172
1
 NA
25
 $5.75 (0.23/ea)
100
 $12.00 (0.12/ea)
1000
 $100.00 (0.1/ea)
Subtotal: $0.00 /

Frequently Used With

Phillips Power Bits - #1 - Length 2"
Phillips Power Bits - #1 - Length 2" 1050-500-0011
Phillips Power Bits - #1 - Length 2
1
 $1.04 (1.04/ea)
10
 $8.10 (0.81/ea)
25
 $19.50 (0.78/ea)
50
 $38.00 (0.76/ea)
Subtotal: $0.00 /
ACR Phillips Power Bits - #1 x 2"
ACR Phillips Power Bits - #1 x 2" 1050-802-0012
ACR Phillips Power Bits - #1 x 2
1
 $2.54 (2.54/ea)
10
 $22.80 (2.28/ea)
25
 $55.00 (2.2/ea)
50
 $99.50 (1.99/ea)
Subtotal: $0.00 /
Hex Machine Nuts 304 Stainless Steel - #4-40 (1/4 Flats x 3/32 Thick)
Hex Machine Nuts 304 Stainless Steel - #4-40 (1/4 Flats x 3/32 Thick) 125052
Hex Machine Nuts 304 Stainless Steel - #4-40 (1/4 Flats x 3/32 Thick)
1
 NA
25
 $1.50 (0.06/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
Product Specifications
ANSI
ANSI B18.6.3
Class
2A
Color
Silver
Corrosion Resistant
Yes
Countersink
82 Degree
Diameter
#4
Drive Style
Phillips
Fit
Class 2A
Grade
18-8
Head Diameter
Max 0.225 - Min 0.195
Head Height Max
0.067
Head Style
Flat
Material
Stainless Steel
Overall Head Height
Max 0.067 - Min 0.055
Phillips Drive
#1
Product Type
Machine Screws
Standards Met
ANSI B18.6.3
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Pitch (Count)
40 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances

Your item has been added to your wish list.

Login

Please login to your customer account to create or access your wish list.

Forgot Password?

If you don't have an account click here to register.

Tell a friend about #4-40 Phillips Flat Head Machine Screw 18-8 Stainless Steel

Volume Pricing: Buy in volume, get a discount. The larger the pack, the lower the cost per piece. Visit the New Site Features Page for additional details.