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SCREW - for Plastics Delta PT D40 X 12.0 TORX Round Washer S424

Product Description

DELTA PT® SCREWS optimize thread forming in plastic materials to

  • minimize stress
  • reduce boss size and
  • increase fastening integrity.
The Delta PT thin thread technology for thermoplastics features a newly-designed multi compound 30° flank geometry to provide optimal material flow. Used in a wide range of thermoplastic materials, Delta PT screws offer the following advantages:
  • Better clamp loads
  • Increased joint life
  • Improved vibrational safety
  • Improved dynamic safety by new shear area
  • Higher clamp load at smaller contact pressure
  • Increased flank engagement
Configurations available:
  • Diameters - 1.8mm to 10mm
  • Length - 3mm – 100mm
  • Head Styles - Any
  • Recommended Drives - TORX Plus®, TORX®, ACR®, Phillips II®, Phillips Square-Driv®, Quadrex®, Type 1A, Type 1 (click on chart of drives under image)
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Features & Benefits
Stocking Program
EFC stocks the following select parts:
25S9000435-FD1Δ40-1.46X12 FORD S424 120Hrs Salt Spray
25S9000436-FD1 Δ40-1.46X16 FORD S424 120Hrs Salt Spray
25S3000319-G29 Δ50-1.80X12 GMW4205 480Hrs Salt Spray
25S9000437-G18 Δ50-1.80X14 GMW4205 480Hrs Salt Spray
25S3000397-FD4 Δ50-1.80X16 FORD S437 384Hrs Salt Spray
25S9000439-FD4 Δ60-2.14X25 FORD S437 384Hrs Salt Spray
Click “Buy Online” below to purchase low minimum quantities immediately, or contact an EFC Representative at 1-800-888-3326.

  • Stress is minimized on plastic host
  • Joint Life - Increased in both static & dynamic stress
  • Strength - Torsional & Tensional improve by up to 50% for the same nominal diameter
  • Shorter fasteners and smaller diameters
  • Load Distribution - increased head diameter
  • Eliminate Inserts
Calculation Program
Delta Calc is a program that can calculate a foregoing dimensioning of the joint. This program aids in the dimensioning of the fastener and assists you in determining the load carrying ability and forecasted life of the joint. Contact an EFC Representative to learn how Delta Calc can benefit your current applications.

Part Number
25S9000435-FD1
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