Type,
Style,
Drive,
Material,
Finish,
Diameter,
Length,
Point,
Thread Pitch,
Specifications
Type:
Flat Head
Style:
Standard
Drive:
Star (Torx)
Material:
410 Stainless Steel
Finish:
Strong-Shield Coated
Diameter:
0.25 (1/4)
Length:
3.250 (3-1/4)
Point:
Drill Point, Tek #4 w/ Wings
Thread Pitch:
Machine Screw Thread, UNC
Description
1/4"-20 x 3-1/4 Torx Drive, Countersunk Head Tek 4 Self-Drilling Screw with Wings, 410 Stainless Steel Strong-Shield Coated (Box of 500)
ATTACHES WOOD to METAL (3/4" - 2-1/4" Wood Thickness to .110" - .375" Metal Thickness)
WINGS - allow screw to ream through wood before the screw reaches metal, preventing jacking action and providing smooth installation all the way through. Wings break off as they come into contact with metal.