Product Description
The ASSY A2 Stainless Steel wood screw is structural, corrosion-resistant, and self-tapping with a large washer head that eliminates the need for an additional washer. The screw design also reduces wood splitting while offering a precise setting without the need for pre-drilling. Code-approved reliability, the ASSY A2 SK has been awarded an ICC-ESR approval in the United States.
| Diameters | 1/4″ (6 mm), 5/16″ (8 mm) |
| Lengths | 3-1/8” (80 mm) to 14-1/4” (360 mm) |
The ASSY A2 SK is suitable for a broad range of projects from log home building to multi-story mass timber construction.
Specifications 
| Specification | ASSY A2 SK | Thread Length | AW Drive Bit | Packaging Qty. | ||||
|---|---|---|---|---|---|---|---|---|
| # Item | Material | Head Type | in. | mm | in. | mm | ||
| A2SK0680 | Stainless Steel | Washer Head | 1/4" x 3-1/8" | 6 x 80 | 2" | 50 | AW 30 | 100 |
| A2SK0690 | Stainless Steel | Washer Head | 1/4" x 3-1/2" | 6 x 90 | 2" | 50 | AW 30 | 100 |
| A2SK06100 | Stainless Steel | Washer Head | 1/4" x 4" | 6 x 100 | 2 3/8" | 60 | AW 30 | 100 |
| A2SK06120 | Stainless Steel | Washer Head | 1/4" x 4-3/4" | 6 x 120 | 2 3/4" | 70 | AW 30 | 100 |
| A2SK06140 | Stainless Steel | Washer Head | 1/4" x 5-1/2" | 6 x 140 | 2 3/4" | 70 | AW 30 | 100 |
| A2SK0880 | Stainless Steel | Washer Head | 5/16" x 3-1/8" | 8 x 80 | 2" | 50 | AW 40 | 50 |
| A2SK08100 | Stainless Steel | Washer Head | 5/16" x 4" | 8 x 100 | 2" | 50 | AW 40 | 50 |
| A2SK08120 | Stainless Steel | Washer Head | 5/16" x 4-3/4" | 8 x 120 | 3 1/8" | 80 | AW 40 | 50 |
| A2SK08140 | Stainless Steel | Washer Head | 5/16" x 5-1/2" | 8 x 140 | 3 1/8" | 80 | AW 40 | 50 |
| A2SK08160 | Stainless Steel | Washer Head | 5/16" x 6-1/4" | 8 x 160 | 3 1/8" | 80 | AW 40 | 50 |
| A2SK08180 | Stainless Steel | Washer Head | 5/16" x 7-1/8" | 8 x 180 | 3 1/8" | 80 | AW 40 | 50 |
| A2SK08200 | Stainless Steel | Washer Head | 5/16" x 7-7/8" | 8 x 200 | 3 1/8" | 80 | AW 40 | 50 |
| A2SK08220 | Stainless Steel | Washer Head | 5/16" x 8-5/8" | 8 x 220 | 3 1/8" | 80 | AW 40 | 50 |
| A2SK08260 | Stainless Steel | Washer Head | 5/16" x 10-1/4" | 8 x 260 | 4" | 100 | AW 40 | 50 |
| A2SK08300 | Stainless Steel | Washer Head | 5/16" x 11-7/8" | 8 x 300 | 4" | 100 | AW 40 | 50 |
| A2SK08360 | Stainless Steel | Washer Head | 5/16" x 14-1/4" | 8 x 360 | 4" | 100 | AW 40 | 50 |
CAD Drawings
Design Guides
The most complete tool for high-capacity mass timber connections design using ICC and CCMC code approved ASSY structural fasteners.
Companion to the Structural Screws Design Guide, it provides pre-designed, easy-to-read tables for tens of mass timber connections using high-capacity ASSY self-tapping screws.
Code Approvals
Installation Instructions
The structural fasteners installation guide is a practical document designed to simplify the installation process of ASSY self-tapping screws.
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