Strong-Point R312 1/4"-20 x 3-1/2" Phillips Drive Flat Head Reamer w/Wings #4 Point Self-Drilling Zinc Plated Screws (800/Box)
Features
- Wings ream hole in wood preventing “jacking action”
- Used for attaching lumber or headers to steel
Specifications
- Size: 1/4-20 x 3-1/2"
- Point: #4
- Drill Cap (in.): .110 – .375
- Wood Range: 3/4” – 2-1/2”
- Recess Type: Phillips
- Head Type: Flat Head
- Coating: Zinc
- Box Quantity: 800
- Meets ASTM C 1513 for cold-formed steel framing connections
- Meets F.I.P.-1000.7 for torsional strength & drill speed
- Manufactured to SAE J78 for dimensional specifications
- Meets ASTM A 510 for carbon steel manufacturing
- Meets ASTM F1941 for corrosion resistance