

Simpson Strong-Tie T12400HDUM (#12 x 4") Self-Drilling Hex-Washer Head SS Screw - Type 316 (1000 Pack)
Simpson Strong-Tie T12400HDUM Description
The Self-Drilling Hex-Washer Head Screw is a durable and corrosion-resistant fastener, ideal for aluminum and fiberglass applications.
Simpson Strong-Tie T12400HDUM Includes
- (1000) Self-Drilling Hex-Washer Head Screw
Simpson Strong-Tie T12400HDUM Features
- Indented hex-washer head for secure fastening
- Tapping screw thread for efficient installation
- #3 drill point for precise drilling
Simpson Strong-Tie T12400HDUM Applications
- Aluminum and fiberglass fastening
Simpson Strong-Tie T12400HDUM Specifications
| Fastener Type | Hand-Drive Screw |
| Application | Fastening for Cold-Formed Steel |
| Material | Type 316 Stainless Steel |
| Screw Size | #12 |
| Length | 4 in. |
| Drive Type | 5/16 in. Hex |
| Head Type | Hex Washer Head |
| Thread Type | Tapping Threads |
| TPI | 14 |
| Point Type | Drill Point |
| Packaging Quantity | 1000 |
NOTE: Types 316 and 305 stainless steel provide superior corrosion resistance and are suitable for softer materials such as aluminum and fiberglass (not steel).
Original: $989.27
-70%$989.27
$296.78Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Simpson Strong-Tie T12400HDUM Description
The Self-Drilling Hex-Washer Head Screw is a durable and corrosion-resistant fastener, ideal for aluminum and fiberglass applications.
Simpson Strong-Tie T12400HDUM Includes
- (1000) Self-Drilling Hex-Washer Head Screw
Simpson Strong-Tie T12400HDUM Features
- Indented hex-washer head for secure fastening
- Tapping screw thread for efficient installation
- #3 drill point for precise drilling
Simpson Strong-Tie T12400HDUM Applications
- Aluminum and fiberglass fastening
Simpson Strong-Tie T12400HDUM Specifications
| Fastener Type | Hand-Drive Screw |
| Application | Fastening for Cold-Formed Steel |
| Material | Type 316 Stainless Steel |
| Screw Size | #12 |
| Length | 4 in. |
| Drive Type | 5/16 in. Hex |
| Head Type | Hex Washer Head |
| Thread Type | Tapping Threads |
| TPI | 14 |
| Point Type | Drill Point |
| Packaging Quantity | 1000 |
NOTE: Types 316 and 305 stainless steel provide superior corrosion resistance and are suitable for softer materials such as aluminum and fiberglass (not steel).





