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🔧 Build Stronger, Last Longer — The Screw That Means Business
The Simpson Strong-Tie SD9112R100 #9 x 1-1/2" Structural-Connector Screws (100-pack) are engineered to replace nails in specific connectors, offering superior load capacity and corrosion resistance with a mechanically galvanized Class 55 finish. Featuring a 1/4" hex head with integrated washer for quick installation and easy identification, these screws are optimized for strength and durability in demanding structural applications, trusted by professionals for safer, longer-lasting builds.








| ASIN | B003YHCLYO |
| Best Sellers Rank | #297,699 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Structural Bolts |
| Brand | SIMPSON |
| Colour | Galvanized |
| Compatible Groove Diameter | 0.22 Inches |
| Country Of Origin | USA |
| Customer Reviews | 4.8 out of 5 stars 1,073 Reviews |
| Drive System | External Hex |
| EU Spare Part Availability Duration | 1 Years |
| Exterior Finish | Galvanized |
| Fastener Size | #9 |
| Fastener Type | Wood Screws |
| Finish Types | Mechanically Galvanized |
| Global Trade Identification Number | 00707392977001 |
| Head Style | Hex |
| Head Type | Hex |
| Included Components | Simpson Structural Screws SD9112R100 No.9 by 1-1/2-Inch Structural-Connector Screw, 100-Pack |
| Item Diameter | 0.37 Inches |
| Item Dimensions | 9 x 9 x 41 Millimeters |
| Item Type Name | Simpson Structural Screws SD9112R100 No.9 by 1-1/2-Inch Structural-Connector Screw, 100-Pack |
| Item Weight | 0.77 Pounds |
| Item dimensions L x W x H | 9 x 9 x 41 Millimeters |
| Manufacturer | Simpson Strong-Tie |
| Material | Steel |
| Material Type | Steel |
| Metal Type | Stainless Steel |
| Model | SD9112R100 |
| Number Of Items | 100 |
| Number of Pieces | 100 |
| Outside Diameter | 0.37 Inches |
| Part Number | SD9112R100 |
| Point Style | Type A Point |
| Screw Head Style | Hex |
| Screw Point Style | Type A Point |
| Set Name | 100-Piece UNC Set |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size Name | 1-(Set of 100 pack) |
| Thread Class | Product-specific (Strong-Drive) |
| Thread Coverage | Partially Threaded |
| Thread Size | 1 1/8 |
| Thread Style | Right Hand |
| Thread Type | UN |
| UPC | 784497810785 783961889937 707392977001 |
| Unit Count | 100.0 Count |
T**D
Good quality
As described
E**E
High Strength and high-grade
The screws were high quality.
C**E
The BEST
These are the BEST screws/bolts to use with simpson strong ties or hurricaine ties. And they come with a driver, THANK YOU; and they're cheaper with Amazon than Home Depot.
D**T
Strong tight screws
Hanging over 60 4 X4 holders for 4 x 4 beams. This item speeds the work. They even give you the hex head bit to use in the drill. What more can you ask for. Great Product.
N**A
Name speaks for themselves
These fasteners are amazing. If you’re doing any kind of framing, you’ll know Simpson is the standard. May be more expensive than others, but you get the strength and quality with this brand. They drive easy and hold tough. Only brand I’ll buy.
Trustpilot
1 week ago
3 weeks ago