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#4-40 Phillips Flat Head Screws Black Oxide 18-8 Stainless Steel

#4-40 Black Stainless Steel Phillips Flat Head Machine Screws

Diameter - Thread Pitch: #4-40

  • Black oxide finish adds an extra layer of corrosion and abrasion resistance to stainless steel
  • A machine screw is commonly identified by its small size
  • Commonly used for its sleek black look
  • Chemically treated with a layer of wax or oil
  • Commonly used for:
    • Tattoo Guns
    • Black Tools
    • Cars
    • Motorcycles

#4-40 Phillips flat head machine screws are available in black oxide stainless steel.

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

Size
Select Package Quantity
SubTotal
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 1/8" (FT)
SKU #1016-73000000-0001
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 1/8" (FT)
SKU #1016-73000000-0001
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 MS Black Oxide 18-8 SS - #4-40 x 3/16" (FT)
SKU #1016-73000000-0014
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 3/16" (FT)
SKU #1016-73000000-0014
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 MS Black Oxide 18-8 SS - #4-40 x 1/4" (FT)
SKU #1016-73000000-0028
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 1/4" (FT)
SKU #1016-73000000-0028
1
 NA
25
 $4.25 (0.17/ea)
100
 $11.00 (0.11/ea)
1000
 $100.00 (0.1/ea)
Subtotal: $0.00 /
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 5/16" (FT)
SKU #1016-73000000-0040
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 5/16" (FT)
SKU #1016-73000000-0040
1
 NA
25
 $4.25 (0.17/ea)
100
 $11.00 (0.11/ea)
1000
 $100.00 (0.1/ea)
Subtotal: $0.00 /
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 3/8" (FT)
SKU #1016-73000000-0052
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 3/8" (FT)
SKU #1016-73000000-0052
1
 NA
25
 $4.25 (0.17/ea)
100
 $11.00 (0.11/ea)
1000
 $100.00 (0.1/ea)
Subtotal: $0.00 /
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 7/16" (FT)
SKU #1016-73000000-0064
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 7/16" (FT)
SKU #1016-73000000-0064
1
 NA
25
 $4.75 (0.19/ea)
100
 $13.00 (0.13/ea)
1000
 $110.00 (0.11/ea)
Subtotal: $0.00 /
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 1/2" (FT)
SKU #1016-73000000-0076
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 1/2" (FT)
SKU #1016-73000000-0076
1
 NA
25
 $4.75 (0.19/ea)
100
 $13.00 (0.13/ea)
1000
 $110.00 (0.11/ea)
Subtotal: $0.00 /
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 5/8" (FT)
SKU #1016-73000000-0088
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 5/8" (FT)
SKU #1016-73000000-0088
1
 NA
25
 $4.75 (0.19/ea)
100
 $13.00 (0.13/ea)
1000
 $110.00 (0.11/ea)
Subtotal: $0.00 /
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 3/4" (FT)
SKU #1016-73000000-0100
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 3/4" (FT)
SKU #1016-73000000-0100
1
 NA
25
 $4.75 (0.19/ea)
100
 $13.00 (0.13/ea)
1000
 $110.00 (0.11/ea)
Subtotal: $0.00 /
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 1" (FT)
SKU #1016-73000000-0112
Phillips Flat Head MS Black Oxide 18-8 SS - #4-40 x 1" (FT)
SKU #1016-73000000-0112
1
 NA
25
 $5.00 (0.2/ea)
100
 $15.00 (0.15/ea)
1000
 $130.00 (0.13/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 /
Hex Machine Nuts Black Oxide 18-8 SS - #4-40 (1/4 Flats x 3/32 Thick)
Hex Machine Nuts Black Oxide 18-8 SS - #4-40 (1/4 Flats x 3/32 Thick) 12300014
Hex Machine Nuts Black Oxide 18-8 SS - #4-40 (1/4 Flats x 3/32 Thick)
1
 NA
25
 $3.00 (0.12/ea)
100
 $9.00 (0.09/ea)
1000
 $80.00 (0.08/ea)
Subtotal: $0.00 /
Flat Washer Black Oxide 18-8 SS - #4 (0.125 ID x 0.312 OD x 1/32 Thick)
Flat Washer Black Oxide 18-8 SS - #4 (0.125 ID x 0.312 OD x 1/32 Thick) 12290014
Flat Washer Black Oxide 18-8 SS - #4 (0.125 ID x 0.312 OD x 1/32 Thick)
1
 NA
25
 $5.00 (0.2/ea)
100
 $15.00 (0.15/ea)
1000
 $130.00 (0.13/ea)
Subtotal: $0.00 /
Product Specifications
Color
Black
Corrosion Resistant
Yes
Countersink
82 Degree
Drive Style
Phillips
Finish
Black Oxide
Grade
18-8
Head Diameter
Max 0.225 - Min 0.195
Head Style
Flat
Material
Stainless Steel
Overall Head Height
Max 0.067 - Min 0.055
Phillips Drive
#1
Product Type
Phillips Flat Head Machine Screws
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

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