Zinc Plated - #12-24 x 3/4"Phillips Flat Head Undercut Self Drilling Screw Type:Package 3/8" - 1/2" To be

3/8" - 1/2"  To be used with 3/8" Grade 70 or 1/2" Grade 43 Chain

ASTM  A307 GRADE A Low Carbon Steel Threaded Rod

Working Load Limit: 4

Description for:  5/8"-11    Flat Socket Head Cap Screws Grade: Grade 8 Diameter: 5/8 Plating: Black Thread Count: 11 Material: Steel Thread Length: Approx

Heavy Duty 2'' x 20 Ft

Zinc Plated - #12-24 x 3/4"Phillips Flat Head Undercut Self Drilling Screw Type:Package 3/8" - 1/2" To bePhillips Flat Head Undercut Self Drilling Screw #3 point: Zinc Undercut self drilling screws have a wide head with a flat taper beneath. They are generally used when connecting two pieces of metal together, that is why they have a tight thread pattern. Used largely for commercial door frames. A fastener that drills and taps its own hole during application. A fastener that drills and taps its own hole during application. Attaches back up plates,