Designed to drill through steel

230" diameter casing-style head and slender #7 diameter for finish work and trim

1-8 x 7 size and A325 Type 1 are designed to secure multiple parts together

Hardness for plain and zinc plated washers is HRC 38-45 and HRC 26-45 for hot-dip galvanized washers per ASTM F436

7/8-9 x 11 Socket Cap Screw Alloy

0.59 x 4 Strong-Drive® SDHR COMBO-HEAD Screw Blue Zinc Type 17 Point - Box (100) Phillips Drive Framing Screws Designed to drill through steel0. 59 x 4 Strong Drive SDHR COMBO HEAD Screw Blue Zinc Type 17 Point Box (100) is a structural fastener designed for cross laminated timber construction, mass timber construction and general interior applications. These partially threaded, sturdy 0. 390 in. and 0. 470 in. diameter structural fasteners are designed to pull structural members together while providing excellent connection strength. The combination head allows for driving using either a