

Bulk 1/2″-13 UNC Hex Cap Screws (Coarse Thread, 316 Marine Grade Stainless Steel)
$77.46 – $312.42
Bulk 1/2″-13 UNC Hex Cap Screws (Coarse Thread, 316 Marine Grade Stainless Steel)
Bulk 1/2″-13 UNC Hex Cap Screws (Coarse Thread, 316 Marine Grade Stainless Steel)
Heavy-Duty, Corrosion-Resistant Stainless Steel Fasteners for Industrial & Marine Use
Upgrade your fastening solutions with 1/2″-13 UNC Hex Cap Screws, expertly crafted from high-quality 316 (A4) marine-grade stainless steel. These coarse-thread screws provide superior corrosion resistance and exceptional strength, making them ideal for marine, industrial, construction, and offshore applications where extreme conditions demand durability.
Note – PT = Partial Thread
Key Specifications
- Material: 316 (A4) Marine-Grade Stainless Steel – Maximum corrosion resistance
- Tensile Strength: High-strength fasteners for demanding applications
- Thread Size: 1/2″-13 Coarse Thread (UNC)
- Finish: Plain (Natural Stainless Steel)
- Corrosion Resistance: Exceptional performance in saltwater, acidic, and chemical environments
- Head Style: Hex Cap for secure and easy fastening
- Compliance: Meets A4-70 stainless steel standards
- RoHS Compliant: Lead-free, environmentally safe, and non-toxic
Why Choose 316 (A4) Marine-Grade Stainless Steel?
316 stainless steel (also known as A4 stainless) is engineered for extreme environments, offering enhanced resistance to saltwater, acids, and chlorides. Benefits include:
- Maximum Corrosion Protection: Ideal for marine, offshore, and high-salinity environments.
- High Tensile Strength: Designed for heavy-duty use in industrial applications.
- Superior Resistance to Chemicals: Ideal for use in chemical plants and processing facilities.
Industries & Applications
- Marine & Offshore Projects: Built to withstand exposure to saltwater and harsh marine conditions.
- Chemical & Industrial Processing: Resistant to corrosive chemicals and high-humidity environments.
- Food & Beverage Manufacturing: Provides a non-reactive, sanitary fastening solution.
- Construction & Infrastructure: Used in bridges, structural supports, and extreme weather applications.
- Heavy Machinery & Equipment: Withstands intense mechanical stress and environmental factors.
Installation Tips
- Use the Correct Wrench Size: Ensures a secure, damage-free installation.
- Apply Anti-Seize Lubricant: Prevents galling and seizing of stainless steel fasteners.
- Ensure Proper Torque: Follow manufacturer torque specifications for best performance.
Bulk Purchasing Advantages
- Cost Savings: Bulk purchases lower per-unit costs for large-scale projects.
- Consistent Quality: All bulk orders come from the same production batch for uniform performance.
- Reliable Inventory: Ensures project timelines stay on track with readily available stock.
- Designed for Professionals: Trusted by contractors, marine engineers, and industrial fabricators.
Order in Bulk & Save
Ensure your project is built to last with bulk 1/2″-13 UNC 316 (A4) Marine-Grade Stainless Steel Hex Cap Screws.
Designed for marine, chemical, and heavy-duty industrial applications.
Order now for bulk discounts, fast shipping, and top-rated customer support.
✔️ Best for marine, offshore, and industrial applications
✔️ Rust-resistant 316 (A4) stainless steel for superior longevity
✔️ Coarse-thread UNC design for secure fastening
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Shipping and Return Policy
Length |
300 QTY – 1/2"-13 x 1 5/8" ,25 QTY – 1/2"-13 x 16" (6" THD) ,30 QTY – 1/2"-13 x 11-1/2" (PT) ,100 QTY – 1/2"-13 x 2-3/4" ,100 QTY – 1/2"-13 x 4" (PT) ,40 QTY – 1/2"-13 x 10" (PT) ,300 QTY – 1/2"-13 x 3/4" ,250 QTY – 1/2"-13 x 1" ,75 QTY – 1/2"-13 x 5-1/2" (PT) ,40 QTY – 1/2"-13 x 11" (PT) ,25 QTY – 1/2"-13 x 18" (6" THD) ,80 QTY – 1/2"-13 x 8" (PT) ,25 QTY – 1/2"-13 x 20" (6" THD) ,125 QTY – 1/2"-13 x 4-3/4" (PT) ,400 QTY – 1/2"-13 x 1-1/8" ,250 QTY – 1/2"-13 x 1 7/8" (PT) ,100 QTY – 1/2"-13 x 2 7/8" (PT) ,200 QTY – 1/2"-13 x 1-3/4" ,150 QTY – 1/2"-13 x 2-1/4" (PT) ,100 QTY – 1/2"-13 x 3" (PT) ,50 QTY – 1/2"-13 x 6" (PT) ,30 QTY – 1/2"-13 x 12" (PT) ,100 QTY – 1/2"-13 x 4" ,40 QTY – 1/2"-13 x 9-1/2" (PT) ,100 QTY – 1/2"-13 x 5-1/4" (PT) ,100 QTY – 1/2"-13 x 3-1/2" ,75 QTY – 1/2"-13 x 4-1/2" (PT) ,90 QTY – 1/2"-13 x 7" (PT) ,75 QTY – 1/2"-13 x 5" (PT) ,150 QTY – 1/2"-13 x 2" (PT) ,150 QTY – 1/2"-13 x 2" ,200 QTY – 1/2"-13 x 1-1/2" ,100 QTY – 1/2"-13 x 3" ,200 QTY – 1/2"-13 x 1-1/4" ,100 QTY – 1/2"-13 x 5-3/4" (PT) ,100 QTY – 1/2"-13 x 3-1/4" (PT) ,50 QTY – 1/2"-13 x 8-1/2" (PT) ,125 QTY – 1/2"-13 x 4-1/4" (PT) ,50 QTY – 1/2"-13 x 6" ,100 QTY – 1/2"-13 x 6-1/2" (PT) ,350 QTY – 1/2"-13 x 1-3/8" ,40 QTY – 1/2"-13 x 9" (PT) ,30 QTY – 1/2"-13 x 13" (6" THD) ,100 QTY – 1/2"-13 x 3-1/2" (PT) ,30 QTY – 1/2"-13 x 14" (6" THD) ,75 QTY – 1/2"-13 x 5" ,80 QTY – 1/2"-13 x 7-1/2" (PT) ,150 QTY – 1/2"-13 x 2-1/2" (PT) ,100 QTY – 1/2"-13 x 3-3/4" (PT) ,100 QTY – 1/2"-13 x 2-3/4" (PT) ,75 QTY – 1/2"-13 x 4-1/2" ,40 QTY – 1/2"-13 x 10-1/2" (PT) ,150 QTY – 1/2"-13 x 2-1/4" ,250 QTY – 1/2"-13 x 7/8" ,150 QTY – 1/2"-13 x 2-1/2" |
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