Tamper Proof Machine Screws, Spanner Pan Head, Stainless Steel 18-8, #4-40

Tamper Proof Machine Screws, Spanner Pan Head, Stainless Steel 18-8, #4-40

Diameter - Thread Pitch: #4-40


  • Spanner (snake eye) drive style which is uncommon and may add security to an installation
  • A machine screw is commonly identified by its small size
  • 18-8 stainless steel spanner pan head machine screws are corrosion and rust resistant
  • 18-8 stainless steel are best used in freshwater environments or in areas where contact with water is frequent
  • Commonly found in:
    • Public Restroom Dividers
    • Gutters
    • License Plate Brackets

#4-40 Tamper proof spanner pan head machine screws are available in 18-8 stainless steel.

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size/SKU
Select Package Quantity Price
SubTotal
#4-40 x 1/4"
#4-40 x 1/4"
1 $0.58 (0.58/ea)
100 $37.00 (0.37/ea)
1000 $300.00 (0.3/ea)
Subtotal: $0.00 /
#4-40 x 3/8"
#4-40 x 3/8"
1 $0.61 (0.61/ea)
100 $39.00 (0.39/ea)
1000 $310.00 (0.31/ea)
Subtotal: $0.00 /
#4-40 x 1/2"
#4-40 x 1/2"
1 $0.86 (0.86/ea)
100 $38.00 (0.38/ea)
1000 $320.00 (0.32/ea)
Subtotal: $0.00 /

Frequently Used With

1 $0.07 (0.07/ea)
100 $2.00 (0.02/ea)
1000 $10.00 (0.01/ea)
Subtotal: $0.00
1 $0.07 (0.07/ea)
100 $3.00 (0.03/ea)
1000 $20.00 (0.02/ea)
Subtotal: $0.00
1 $0.07 (0.07/ea)
100 $4.00 (0.04/ea)
1000 $30.00 (0.03/ea)
Subtotal: $0.00
1 $0.07 (0.07/ea)
100 $4.00 (0.04/ea)
1000 $30.00 (0.03/ea)
Subtotal: $0.00
1 $1.83 (1.83/ea)
100 $152.00 (1.52/ea)
1000 $1,480.00 (1.48/ea)
Subtotal: $0.00

Product Specifications
Color
Silver
Corrosion Resistant
Yes
Diameter
#4
Drive Style
Spanner
Grade
18-8
Head Diameter
Max 0.219 - Min 0.205
Head Style
Pan
Material
Stainless Steel
Overall Head Height
Max 0.068 - Min 0.058
Product Type
Tamper Proof Machine Screws
Spanner Drive
#4
System of Measurement (Unit)
Inch
Thread Diameter
(#4) Max 0.1112 - Min 0.1061
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