Type T4PF flat head Tek 4 winged drill point screws are designed for attaching plywood and sheathing to heavy gauge metal. NanoGard exterior grade coating improves corrosion resistance. Performance range is lumber (1/4 to 1") to 16 gauge steel to .210 steel.
Bit: ZP3 (No. 3 Phillips)

Type T4PF flat head Tek 4 winged drill point screws are designed for attaching plywood and sheathing to heavy gauge metal. NanoGard exterior grade coating improves corrosion resistance. Performance range is lumber (1/4 to 1") to 16 gauge steel to .210 steel.
Bit: ZP3 (No. 3 Phillips)
Specifications
Application:Sheathing to Metal
Bit Tip:Phillips Bit Tip
Coating:NanoGard
Head Type:Flat Head
Length:3-1/4-in
- Type 17 cut - Wings
Type T4PF flat head Tek 4 winged drill point screws are designed for attaching plywood and sheathing to heavy gauge metal. NanoGard exterior grade coating improves corrosion resistance. Performance range is lumber (1/4 to 1") to 16 gauge steel to .210 steel.
Bit: ZP3 (No. 3 Phillips)Specifications
Application:Sheathing to MetalBit Tip:Phillips Bit TipCoating:NanoGardHead Type:Flat HeadLength:3-1/4-inPackage Type:Mini PackThread Type:Fine Thread