PRODUCT SPECIFICATIONS
Part #: 0000-210111
Fastener Type: Self Drilling Screw Hex Washer Head #4 Point
Size Description: 1/4-20 x 1 1/4
Diameter/Nominal Size: 1/4"
Length: 1 1/4"
Wrench Size/Across Flats: 0.367-0.375"
Width Across Corners: 0.367"
Head Height: 0.172-0.190"
Flange Diameter: 0.480-0.520"
Flange Thickness: 0.030-0.050"
Point Length: 0.471-0.511"
Thread Pitch: 20
Thread Pitch Type: Coarse
Thread Direction: Right
Thread Coverage: Full
System of Measurement: Inch
Material: Low Carbon Steel
Finish: Zinc Plated
Head Type: Hex Washer
Drive Type: External Hex
Point Type: #4
Average Piece Weight: 0.0166250 lbs.
Self-Drilling Screws (sometimes incorrectly referred to as self-tapping screws) enable drilling without first creating a pilot hole. Self-drilling screws or (SDSs) are usually used to join materials like sheet metal to other materials, such as metal or wood.