1/4"-20 X 1/2" Tamper Resistant Machine Screws | Flat Undercut Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual ScrewSKU: 1408UCSMF

Price:
Sale price$64.17per 100( $0.64 each)
Pieces 100
Measurement type Inch
Thread size 1/4-20
Length 1/2
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Spanner
Head style Flat Undercut
Threads per inch 20
Weight 1.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Industrial fasteners engineered for secure, corrosion-resistant performance in harsh environments. Flat head spanner drive machine screws deliver flush seating in countersunk holes, producing a clean finish with reduced seating friction.

Specs

  • Length: 1/2
  • Thread size: 1/4-20
  • Thread type: UNC
  • Drive type: Spanner
  • Material grade: 18/8 Stainless Steel (304)

Features

  • Material: 18/8 Stainless Steel composition provides inherent corrosion resistance in challenging environments
  • Head geometry: Flat head (countersunk) designed for flush seating in countersunk holes
  • Undercut design: Undercut geometry minimizes seating friction and promotes a consistent, secure seat
  • Drive engagement: Spanner drive enables precise torque application and controlled seating, reducing risk of overtightening
  • Torque guidance: Recommended to torque to manufacturer specifications to ensure secure fit and long-term performance
  • Applications: Suitable for electronics enclosures, machinery housings, panel assemblies, and metal fabrication where flush mounting and corrosion resistance are critical
  • Unit count: 100 per package

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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