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1/4-14 x 1-1/2" Dril-Flex Hex Washer Head Structural Self-Drilling Screws - Pack of 500
For Use in Structural Applications
Dril-Flex Structural Drill Screws
Precision-engineered and dual heat treated drill screws provide the strength, ductility and resistance to embrittlement required for critical applications.
Download the Dril-Flex brochure (PDF)
Features and Benefits
- High-hardness points and lead threads for drilling and tapping
- Lower-hardness in load-bearing threads for ductility
- Virtually immune to delayed embrittlement failures
- Stalgard coating provides 800 hours of salt spray resistance (per ASTM B117)
Specifications
- Diameters: #10 to 5/16"
- Lengths: 3/4" to 3-3/8"
- Head Styles: Hex washer and undercut flat
- Drive Systems: Hex and Phillips
- Point Types: #3 and #4
- Material: Alloy steel
- Finish: Silver Stalgard coating
- Head Marking: Elco logo in a raised circle
Part # 137DF14T150SG