#8-18 Stainless Steel Roofing Self Drilling Screws
Diameter - Thread Pitch: #8-18
#8 Hex washer head self drill with EPDM rubber metal beaked washer for metal roofing and siding.
- Comes with a drill point (TEK)
- Used for attaching metal roofing and siding panels to metal stud framing
- Normally fully threaded minus the drill point
- Based on the thickness of the metal you are penetrating
The typical 25 to 16 gauge will use a TEK 3 and 14 gauge and below will require TEK 4-5.
Product Specifications
Application
Roofing & Siding
Color
Silver
Corrosion Resistant
Yes
Diameter
#8
Drive Style
External Hex
Head Diameter
1/4"
Head Style
Hex
Head Thickness with Integral Washer
Max 0.136 - Min .134
Material
Stainless Steel 410
Other
Includes Stainless Steel Backed Neoprene EPDM Washers
Point Type
TEK
Product Type
Self Drilling Screws
Self Drilling
Yes
TEK Self Drilling Point
TEK 2 (0.304 Long)
Thread Diameter Major
(#8) 0.166"
Thread Diameter Minor
(#8) 0.122"
Thread Direction
Right Hand
Thread Pitch (Count)
18
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Washer OD
0.50"
Washer Thickness
0.166"
Wrench Size
1/4"
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