Undercut Flat
Hex Washer
Pan Head

Drill Flex

Available in head types:

  • UnderCut Flat
  • Hex
  • Phillips Pan

Drill-Flex Structural Screws are heat treated self-drilling tapping screws that give the strength and resistance to embrittlement required for critical applications.

Undercut Flat Head

Description Drive Size Shank Diameter Threads Per Inch Fastener Length Point Type Anchor Material
#12-14 x 1" #3 Phillips #12 14 1" #3 Alloy Steel
#12-14 x 1-1/4" #3 Phillips #12 14 1-1/4" #3 Alloy Steel
#12-14 x 1-1/2" #3 Phillips #12 14 1-1/2" #3 Alloy Steel
1/4"-20 x 3" #3 Phillips 1/4" 20 3" #4 Alloy Steel
1/4"-20 x 4" #3 Phillips 1/4" 20 4" #4 Alloy Steel
1/4"-20 x 4" #3 Phillips 1/4" 20 4" #4 Alloy Steel

Hex Head

Description Drive Size Shank Diameter Threads Per Inch Fastener Length Point Type Anchor Material
#10-16 x 3/4" 5/16" #10 16 3/4" #3 Alloy Steel
#10-16 x 1-1/2" 5/16" #10 16 1-1/2" #3 Alloy Steel
#10-16 x 2" 5/16" #10 16 2" #3 Alloy Steel
#10-16 x 2-1/2" 5/16" #10 16 2-1/2" #3 Alloy Steel
#12-14 x 7/8" 5/16" #12 14 7/8" #3 Alloy Steel
#12-14 x 1" 5/16" #12 14 1" #3 Alloy Steel
#12-14 x 1-1/4" 5/16" #12 14 1-1/4" #3 Alloy Steel
#12-14 x 1-1/2" 5/16" #12 14 1-1/2" #3 Alloy Steel
#12-14 x 1-1/2" 5/16" #12 14 1-1/2" AB Alloy Steel
#12-24 x 1-3/4" 5/16" #12 24 1-3/4" #5 Alloy Steel
#12-14 x 1-3/4" 5/16" #12 14 1-3/4" AB Alloy Steel
#12-14 x 2" 5/16" #12 14 2" #3 Alloy Steel
#12-14 x 3" 5/16" #12 14 3" #2 Alloy Steel
1/4"-14 x 1" 3/8" 1/4" 14 1" #3 Alloy Steel
1/4"-20 x 1-1/8" 3/8" 1/4" 20 1-1/8" #4 Alloy Steel
1/4"-20 x 1-1/2" 3/8" 1/4" 20 1-1/2" #4 Alloy Steel
1/4"-14 x 1-1/2" 3/8" 1/4" 14 1-1/2" #3 Alloy Steel
1/4"-20 x 1-1/2" 3/8" 1/4" 20 1-1/2" #4 Alloy Steel
1/4"-20 x 1-3/4" 3/8" 1/4" 20 1-3/4" #5 Alloy Steel
1/4"-14 x 2" 3/8" 1/4" 14 2" #3 Alloy Steel
1/4"-20 x 2" 3/8" 1/4" 20 2" #4 Alloy Steel
1/4"-20 x 2-1/2" 3/8" 1/4" 20 2-1/2" #4 Alloy Steel
1/4"-20 x 3-3/8" 3/8" 1/4" 20 3-3/8" #4 Alloy Steel
1/4"-20 x 4" 3/8" 1/4" 20 4" #4 Alloy Steel
5/16"-24 x 2" 3/8" 5/16" 24 2" #4 Alloy Steel