
8" Professional Gutter Screw #14 - 5/16" Hex Head
Superior Strength | Rust-Resistant Coating | Professional Grade | Local + Nationwide Shipping
Trusted by GutterAll.com
Professional Gutter & Fastener Supplies Since 2010
19759 SE Sunnyside Rd
Damascus, OR 97089
Local Damascus + Nationwide Shipping
sales@gutterall.com
(503) 496-7017
PROFESSIONAL GRADE GUTTER FASTENER SYSTEM
Premium 8-inch #14 screw with 5/16" hex head for superior gutter installation performance
Save Big with Contractor Direct Pricing - Professional Quality for Everyone!
LOCAL DAMASCUS DELIVERY + NATIONWIDE SHIPPING AVAILABLE

Professional Grade 8" Gutter Screw #14 with 5/16" Hex Head
Professional Installation Diagram
Professional Gutter Installation with 8" Screw Penetrating Rafter Tail
Professional-Grade 8" Gutter Screw with Superior Holding Power
Secure your gutter installations with our premium 8-inch Professional Gutter Screw #14, engineered with a 5/16" hex head for superior strength and professional installation efficiency. This high-grade steel fastener features aggressive threading and rust-resistant coating, providing decades of reliable performance in all weather conditions. The optimal 8-inch length ensures proper penetration into rafter tails for maximum holding power and structural integrity.
Professional installation efficiency
All-weather protection
Maximum rafter penetration
Cost-effective project quantities
Advanced Technical Specifications & Performance Features
Core Specifications
- Length: 8 inches (203mm)
- Screw Size: #14 (6.3mm diameter)
- Head Type: 5/16" hex head
- Material: High-grade steel
- Coating: Rust-resistant finish
- Threading: Aggressive self-tapping
- Drive Type: 5/16" hex driver required
Performance Advantages
- Superior Holding Power: Maximum rafter penetration
- Professional Installation: Hex head prevents stripping
- Weather Resistance: All-season durability
- Corrosion Protection: Long-term performance
- Self-Tapping Design: No pre-drilling required
- Consistent Performance: Professional-grade reliability
- Time-Saving: Efficient installation process
Available Colors & Finish Options
Standard finish
Wood tone match
Clean finish
Natural zinc coating
Premium finish
Modern neutral
Professional Applications & Installation Benefits
Gutter Installation
- Secure gutter hangers to fascia boards
- Penetrate rafter tails for maximum strength
- Professional 24" on-center spacing
- Superior holding power in all weather
- Prevents gutter sagging and failure
Perfect for: Residential and commercial gutter systems
Fascia Mounting
- Secure fascia boards to rafter tails
- Professional-grade structural connection
- Weather-resistant long-term performance
- Prevents fascia board movement
- Enhanced structural integrity
Perfect for: New construction and renovation projects
Exterior Construction
- Heavy-duty exterior fastening applications
- Superior corrosion resistance
- Professional contractor preferred
- Structural-grade holding power
- All-weather durability
Perfect for: Professional construction and repair projects
SAFETY & PROFESSIONAL INSTALLATION NOTICE
PROFESSIONAL INSTALLATION RECOMMENDED
Gutter installation requires working at dangerous heights with proper safety equipment and knowledge of structural requirements. NEVER walk on roofs or work without OSHA-approved fall protection for work 6+ feet high. Professional contractors have proper equipment, insurance, and expertise for safe installation. Use appropriate 5/16" hex driver and ensure proper rafter tail penetration for maximum holding power.
Contractor Direct Pricing - Local Damascus Delivery + Nationwide Shipping
Small Quantity (10-50 pieces)
$1.25 each
Perfect for: Small repairs and testing
Minimum order: 10 pieces
250-Count Box
$0.95 each
Perfect for: Residential gutter projects
Professional contractor quantity
Bulk Orders (1000+ pieces)
$0.75 each
Perfect for: Commercial projects
Maximum savings for large projects
Custom Project Orders
Contact for Pricing
Perfect for: Large developments
Custom colors and quantities
Shipping & Delivery Options
Local Damascus Delivery
- Same-day or next-day delivery available
- Free delivery on orders over $100
- Personal consultation and support
- Direct contractor pricing
- Technical assistance included
Service Area: Damascus, Boring, Happy Valley, Gresham
Nationwide Shipping
- Standard shipping: 3-5 business days
- Expedited shipping: 1-2 business days
- Free shipping on orders over $200
- Professional packaging for safe delivery
- Tracking information provided
Coverage: All 50 states, professional delivery
Installation Videos & Technical Resources
Professional Installation Video
Gutter Screw Installation Techniques
Professional methods for maximum holding power
- Proper rafter tail penetration
- Correct spacing and alignment
- Professional installation tips
- Safety procedures and best practices
Technical Specifications Video
8" Gutter Screw Features & Benefits
Detailed product overview and applications
- Material composition and coating
- Threading design and performance
- Hex head advantages
- Weather resistance testing
Professional Gutter Screw Installation Guide
Follow these professional techniques for optimal gutter screw installation and maximum holding power.
- Mark hanger locations at maximum 24" on center spacing
- Position gutter hanger against fascia board
- Use 5/16" hex driver to install 8" screw through hanger
- Ensure screw penetrates rafter tail for maximum holding power
- Tighten securely but avoid over-tightening
- Verify proper gutter alignment and slope
- Test installation for secure mounting and stability
GutterAll Professional Performance Guarantee
Superior holding power and professional installation guaranteed. Our premium 8-inch Gutter Screws with 5/16" hex heads provide the ultimate combination of strength, durability, and weather protection for your most demanding gutter installation projects. Trusted by contractors throughout the Damascus area and nationwide for decades of maintenance-free performance.
Local Damascus Delivery & Nationwide Shipping: (503) 496-7017
PROFESSIONAL GUTTER FASTENER SYSTEM
Complete gutter installation with superior 8-inch screw technology
8-inch optimal length
5/16" hex head design
Rust-resistant coating
Local + nationwide shipping
CONTACT FOR WHOLESALE PRICING - DELIVERY + SHIPPING AVAILABLE
Professional Gutter Screw FAQ - All Objections Addressed
Why choose 8-inch screws over shorter alternatives?
8-inch screws provide optimal penetration into rafter tails for maximum holding power, which is essential for supporting heavy gutters filled with water, snow, and ice. Shorter screws may only penetrate fascia boards, providing insufficient structural support. Professional contractors prefer 8-inch length for superior performance and long-term reliability in all weather conditions.
What makes the 5/16" hex head better than Phillips or slotted heads?
The 5/16" hex head provides superior torque transfer, prevents cam-out and stripping, and allows for consistent professional installation. Unlike Phillips or slotted heads that can strip under high torque, hex heads maintain their grip throughout the installation process. This design also allows for easier removal if needed and provides a more professional finished appearance.
How does the rust-resistant coating perform in extreme weather?
Our rust-resistant coating is specifically formulated for exterior applications and provides superior protection against moisture, UV rays, temperature cycling, and corrosive elements. The coating penetrates the steel surface and creates a barrier that prevents oxidation and corrosion. This ensures decades of reliable performance even in coastal environments, high-humidity areas, and extreme temperature variations.
What's the difference between #14 and smaller screw sizes?
#14 screws (6.3mm diameter) provide significantly more holding power than smaller sizes like #10 or #12. The larger diameter creates more thread engagement with the wood, distributes load over a larger area, and provides superior resistance to pull-out forces. For gutter applications supporting substantial weight loads, #14 is the professional standard for maximum structural integrity.
Do I need to pre-drill holes for these screws?
No, these screws feature aggressive self-tapping threading that eliminates the need for pre-drilling in most wood applications. The sharp point and aggressive thread design allow the screw to create its own path through fascia boards and into rafter tails. This saves installation time and ensures a tight, secure fit. However, in extremely hard woods, a small pilot hole may be beneficial.
How many screws do I need for a typical gutter installation?
Professional installation requires hangers spaced maximum 24" on center, with closer spacing in high-wind or heavy-load areas. A typical single-story home (100-150 linear feet of gutter) requires 50-75 screws. Two-story homes may need 100-150 screws. Our 250-count box covers most residential projects with extras for future repairs. Always order 10-15% extra for waste and future maintenance.
What color should I choose for my gutter system?
Choose colors that complement your gutter and fascia system. Professional Black is the most versatile and popular choice. Brown works well with wood-tone fascia and earth-tone gutters. White matches white gutters and trim. Galvanized provides a natural metal appearance. Copper Tone complements premium copper or bronze systems. Pewter Gray offers a modern neutral option for contemporary designs.
What's included with contractor direct pricing?
Contractor direct pricing includes wholesale rates up to 40% off retail, technical support for installation guidance, project consultation, and access to bulk pricing tiers. You also get priority scheduling for local Damascus delivery, nationwide shipping options, color selection assistance, and ongoing project support. No contractor license required - everyone gets professional pricing and support.
Do you offer both local delivery and nationwide shipping?
Yes, we offer both options. Local Damascus area customers get same-day or next-day delivery with free delivery on orders over $100, plus personal consultation and technical support. Nationwide customers get professional packaging, tracking information, and free shipping on orders over $200. Both options include the same contractor direct pricing and technical support.
What's your return policy for gutter screws?
We offer a 30-day return policy on unopened packages in original packaging. Custom colors are non-returnable unless defective. For defective products, we provide immediate replacement. We work closely with customers during planning to ensure accurate quantity calculations and proper color selection to minimize returns and ensure project success.
Can you provide technical support for my gutter project?
Yes, our experienced team provides comprehensive technical support including installation guidance, quantity calculations, color selection assistance, and troubleshooting help. We can review your project requirements, recommend appropriate materials and techniques, and connect you with qualified local contractors when needed. Call (503) 496-7017 for expert consultation and project support.