Flat Head w/ Wings Self-Drilling Screws - Type 410 SS
Type 410 stainless steel flat head style screw with drill point and shank slot enhances thread formation and removes exhaust in heavier steel. These self-drilling are designed to tap into heavier gauge metal up to .250" thick. The deep No. 3 square recess virtually eliminates cam-out. The Type 410 stainless steel with protective coating provides maiximum corrosion resistance.
Type 410 stainless steel flat head style screw with drill point and shank slot enhances thread formation and removes exhaust in heavier steel. These self-drilling are designed to tap into heavier gauge metal up to .250" thick. The deep No. 3 square recess virtually eliminates cam-out. The Type 410 stainless steel with protective coating provides maiximum corrosion resistance.
Features:
- Type 410 stainless steel with protective coating for maximum corrosion resistance
- No. 3 square-drive, flat countersunk head with self-countersinking nibs
- No. 3 & 4 drilling point taps machine screw threads, full length threads into metal
- Wings above the drill point to provide clearance hole in work piece so it won't climb up the shank and break off as point engages the steel substrate
- Shank slot enhances thread formation in steel and removes partical exhaust
- 2-1/2" length for 2x4 wood header; 2" length for 1" and 5/4" boards
- Drilling thickness capacities: up to .209" (171 mils, 7 ga) for #1, up to .250" (229 mils, 3 ga) for #14
Applications: Fasten wood, plywood and fiber cement to heavier steel - up to .250" thick