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1/4-20 Round Head One Way Tamper Proof Machine Screws - 18-8 Stainless Steel

1/4"-20 Stainless Steel One Way Round Head Security Machine Screws

Diameter - Thread Pitch: 1/4"-20

  • One way screws are driven by a slotted or flat head drive
  • Commonly seen in public places where theft or vandalism is considered a risk
  • Very difficult to remove
  • A machine screw is commonly identified by its small size
  • Recommended for long lasting applications
  • Corrosion resistant
  • Suitable for exterior applications where freshwater moisture is present

1/4"-20 One way round head security machine screws are available in grade 18-8 stainless steel.

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

Size
Select Package Quantity
SubTotal
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1/2"
SKU #6208-012-0002
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1/2"
SKU #6208-012-0002
1
 NA
25
 $12.00 (0.48/ea)
100
 $47.00 (0.47/ea)
1000
 $330.00 (0.33/ea)
Subtotal: $0.00 /
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 5/8"
SKU #6208-012-0012
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 5/8"
SKU #6208-012-0012
1
 NA
25
 $14.25 (0.57/ea)
100
 $51.00 (0.51/ea)
1000
 $360.00 (0.36/ea)
Subtotal: $0.00 /
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 3/4"
SKU #6208-012-0022
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 3/4"
SKU #6208-012-0022
1
 $1.32 (1.32/ea)
25
 $31.00 (1.24/ea)
100
 $54.00 (0.54/ea)
1000
 $370.00 (0.37/ea)
Subtotal: $0.00 /
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1"
SKU #6208-012-0032
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1"
SKU #6208-012-0032
1
 $1.62 (1.62/ea)
25
 $38.25 (1.53/ea)
100
 $61.00 (0.61/ea)
1000
 $450.00 (0.45/ea)
Subtotal: $0.00 /
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1-1/4"
SKU #6208-012-0042
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1-1/4"
SKU #6208-012-0042
1
 $0.83 (0.83/ea)
25
 $19.50 (0.78/ea)
100
 $75.00 (0.75/ea)
1000
 $510.00 (0.51/ea)
Subtotal: $0.00 /
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1-1/2"
SKU #6208-012-0052
Round Head One Way Machine Screws 18-8 SS - 1/4-20 x 1-1/2"
SKU #6208-012-0052
1
 $1.94 (1.94/ea)
25
 $46.00 (1.84/ea)
100
 $94.00 (0.94/ea)
1000
 $630.00 (0.63/ea)
Subtotal: $0.00 /

Frequently Used With

32 Piece Industrial Driver Bit Set - Security Tamper Proof - V32-1TP
32 Piece Industrial Driver Bit Set - Security Tamper Proof - V32-1TP 1050-312
32 Piece Industrial Driver Bit Set - Security Tamper Proof - V32-1TP
Security Tamper Proof Insert Bits - 32 Piece Industrial Driver Bit Set
Tamper Proof Insert Bit Set - V32-1TP

Our Price: $36.79
Subtotal: $0.00 /
100 Piece Master Screwdriver Bit Set - Standard and Security - VHS100A
100 Piece Master Screwdriver Bit Set - Standard and Security - VHS100A 1050-306
100 Piece Master Screwdriver Bit Set - Standard and Security - VHS100A
100 Piece Master Screwdriver Bit Set - Standard and Security (Tamper Proof) Bits
Master Screwdriver Bit Set - VHS100A

Our Price: $79.50
Subtotal: $0.00 /
50 Piece Industrial Driver Bit Set - Standard - V50-1P
50 Piece Industrial Driver Bit Set - Standard - V50-1P 1050-308
50 Piece Industrial Driver Bit Set - Standard - V50-1P
50 Piece Industrial Driver Bit Set - Standard Insert Bits
Insert Bit Screwdriver Bit Set - V50-1P

Our Price: $36.79
Subtotal: $0.00 /
Product Specifications
ANSI
B1.1
Class
2A Fit
Color
Silver
Corrosion Resistant
Yes
Drive Style
One Way
Grade
18-8
Head Diameter
Max 0.437 - Min 0.419
Head Style
Round
Material
Stainless Steel
Overall Head Height
Max 0.132 - Min 0.122
Product Type
One Way Round Head Tamper Proof Machine Screws
System of Measurement (Unit)
Inch
Thread Diameter
1/4" (#14)�
Thread Diameter Major
0.2489
Thread Diameter Minor
0.2408
Thread Direction
Right Hand
Thread Pitch (Count)
20 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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