Elco Dril-Flex Fasteners

Elco Dril-Flex

Precision-engineered and dual heat treated drill screws provide the strength, ductility and resistance to embrittlement required for critical applications.

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)

Elco Dril-Flex Fasteners

Specifications

  • Point Types: #3 and #4

  • Material: Alloy steel

  • Finish: Silver Stalgard® coating

  • Head Marking: Elco® logo in a raised circle

  • Diameters: #10 to 5/16"

  • Lengths: 3/4" to 3-3/8"

  • Head Styles: Hex washer and undercut flat

  • Drive Systems: Hex and phillips

 
 

Elco Dril-Flex Part Numbers

#10 Diameter, 5/16" Hex Washer Head

EAF430
EAF460
EAF470
EAF480

#10 Diameter, #2 Phillips Pan Head

EDX445

#10 Diameter, #2 Phillips Wafer Head

EBL530

#12 Diameter, 5/16" Hex Washer Head

EAF621
EAF641
EAF681
EAF690
EAF715

#12 Diameter, #3 Phillips Undercut
Flat Head

EBL215
EBL223

1/4" Diameter, 3/8" Hex Washer Head

EAF816
EAF841
EAF876
EAF846
EAF886
EAF865
EAF888
EAF890
EAF900
EAF910

1/4" Diameter, #3 Phillips Undercut
Flat Head

EBL330
EBL340

5/16" Diameter, 3/8" Hex Washer Head

EAF940
EAF960
EAF970

3/8" Diameter, 3/8" Hex Washer Head

EAF310

All Elco Fastener Lines