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1-1/2-Inch 21404 #9 Fine Thread Hex Drive Washer Head Roofing Screw Pack Of 100
- Mfg.#
- 21404
- Sku#
- 3962750
- Precise sharp point designed to drill, tap and fasten all in one motion
- Self-sealing EPDM washer provides a waterproof seal in harsh outdoor environments
- For metal-to-wood applications
- Capable of self-piercing metal up to 20 gauge thick
- Corrosion-resistant finish protects the job's appearance with long lasting coating
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
Self-sealing neoprene washer for waterproof applications. Premium finish provides exceptional corrosion resistance in harsh outdoor environments. For metal-to-metal or metal-to-wood applications. Applications: Attaching roofing and wall panels to steel framing, roofing panels over insulation to wood structure, pole barn construction.
Specifications
General
| Applicable Materials | Metal to Wood |
|---|---|
| Color | Silver |
| Color Family | Metallic |
| Drive Size | 1/4 in |
| Drive Type | Hex |
| Finish | Zinc |
| Head Type | Washer |
| Material | Steel |
| Pack Qty | 100 |
| Point Type | Type 17 Sharp |
| Thread Size | 9 |
| Thread Type | Fine |
| Type | Roofing Screw |
Dimensions
| Length | 1.5 in |
|---|---|
| Size | #9 X 1-1/2 in |
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | TW |
|---|---|
| Shop USA | No |
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