#12 x 1‑1/2" Tap Screws with Washer Head (100‑Pack)
Model 70322 – High‑Strength Fasteners for Metal, Wood, and Multi‑Material Assembly
The Model 70322 #12 x 1‑1/2" Tap Screw with Washer Head is engineered for strong, reliable fastening where cutting power, stability, and long‑term hold are essential. These versatile tap screws are built to create their own threads as they drive, allowing installers to secure components firmly into metal, wood, plastics, and composite materials without the need for pre‑tap threading.
Each screw features a durable integrated washer head, designed to provide a wide bearing surface for improved load distribution and reduced risk of material damage or pull‑through. The design enhances stability during driving, making it ideal for high‑torque applications or work environments requiring consistent, controlled fastening.
Packaged in a 100‑count contractor‑grade box, these screws are excellent for professional shops, construction teams, and maintenance technicians needing a reliable, multi‑purpose fastener that performs across a variety of applications.
Key Features
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Self‑Tapping Threading Action
Cuts and forms threads as it drives, allowing secure installation without pre‑threading holes.
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Washer Head Design
Integrated washer provides broader surface contact, improving clamp strength and preventing sinking or deformation.
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Strong #12 Shaft Diameter
Offers dependable holding power for medium‑to‑heavy‑duty fastening.
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Durable 1‑1/2" Length
Suitable for deeper or multi‑layered material engagement.
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High‑Strength Steel Composition
Built to resist stripping, bending, or premature wear under load.
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Corrosion‑Resistant Finish
Designed to withstand moisture, daily weathering, and routine environmental exposure.
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Contractor‑Sized 100‑Pack
Provides ample supply for job sites, workshop stocking, or maintenance facilities.
Specifications
- Model: 70322
- Screw Size: #12
- Length: 1‑1/2 inches
- Head Style: Washer head (integrated)
- Point Style: Tap screw (self‑tapping)
- Thread Type: Coarse thread
- Material: Hardened steel
- Finish: Corrosion‑resistant coating
- Quantity: 100 screws per pack
- Ideal Tools: Drill drivers, impact drivers, magnetic nut drivers
- Compatible Materials:
- Sheet metal
- Aluminum
- Thin and lightweight steel
- Wood
- Particle board
- Plastics
- Composite assembly materials
Typical Applications
These multi‑purpose tap screws excel in both metal‑focused and general construction tasks. Common uses include:
Construction & General Building
- Mounting brackets, plates, and structural components
- Fastening sheet metal to wood or metal bases
- Securing reinforcement pieces and hardware
HVAC Installation & Service
- Attaching ductwork, register frames, access panels, and equipment housings
- Securing metal flanges, straps, and hangers
Electrical & Mechanical Trades
- Installing utility boxes, fittings, conduit supports, and panel accessories
- Fastening enclosures, guards, and surface‑mounted hardware
Automotive, Trailer & Equipment Use
- Securing panels, interior mounts, fittings, and various components
- Attaching brackets or reinforcement plates on equipment or trailers
Fabrication & Maintenance
- Shop repairs, assemblies, and retrofits
- General maintenance tasks involving wood‑metal junctions
- Custom fabrication projects requiring a strong, stable fastener
DIY & Home Projects
- Mounting fixtures, assembling utility racks, repairing equipment, and more