1/4"-20 Spanner Oval Head Tamper Proof Machine Screw 18-8 Stainless Steel

1/4"-20 Stainless Steel Spanner Security Oval Head Machine Screws

Diameter - Thread Pitch: 1/4"-20

1/4"-20 Stainless Steel Spanner Oval Head Machine Screws in 18-8 stainless steel.

  • Spanner (snake eye) drive is considered an uncommon drive style making screws with this head type difficult to remove without the proper bit
  • Countersunk head with a raised domed top
  • Used to secure materials that may be tampered with
  • Ideal for fresh water moisture environments
  • Rust and corrosion resistant
FREE Bit Included With Purchase Of 25, 100 or 1000 Packs

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Product Specifications
Corrosion Resistant
Drive Style
Head Diameter
Max 0.507 - Min 0.452
Head Style
Oval Head
18-8 Stainless Steel
Overall Head Height
Max 0.232 - Min 0.178
Product Type
Spanner Oval Head Machine Screws are Fully Threaded
Spanner Drive
Thread Diameter
1/4" (#14) Max 0.2489 - Min 0.2408
Thread Direction
Right Hand
Thread Pitch (Count)
20 Per Inch (Coarse)
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