Premium ABS Waterproof Tank Bulkhead (1/2
Premium ABS Waterproof Tank Bulkhead (1/2
Premium ABS Waterproof Tank Bulkhead (1/2

    Premium ABS Waterproof Tank Bulkhead (1/2" - 2") | Reverse Thread Lock Nut Connector | Rain Barrel & Aquarium Fitting

    $1.02 $1.79

    πŸ”„ Need industrial-grade heavy-duty fittings for extreme pressure? Check out our Heavy-Duty UPVC Tank Bulkheads.

    Premium ABS Waterproof Tank Bulkhead Fitting

    Secure your water tanks, rain barrels, and aquariums with our durable ABS waterproof bulkheads from Atradesen.com. Designed with a specialized locking mechanism, these lightweight yet robust fittings guarantee a vibration-proof, watertight seal for both home and commercial water storage systems.

    🚨 CRUCIAL DESIGN FEATURE (PLEASE READ) 🚨

    • Reverse Outer Thread (Left-Hand Thread): The external thread on this bulkhead is intentionally reversed! It is designed EXCLUSIVELY to be used with the included locking nut to secure the fitting to the tank wall. It CANNOT be used to connect to other standard external pipe fittings!
    • Standard Inner Thread: The inside of the fitting features standard female pipe threads (FPT), allowing you to easily and safely connect standard valves, nozzles, or male threaded pipes from the inside of the fitting.

    ⚠️ Sizing & Drilling Guide

    To avoid leaks, carefully match your drill hole size to the exact Outer Diameter (O.D.) of the reverse thread using our Atradesen.com guide:

    • 1/2" Size (I.D 20mm): Drill Hole: 35mm | Max Wall Thickness: 12mm
    • 3/4" Size (I.D 25mm): Drill Hole: 35mm | Max Wall Thickness: 12mm
    • 1" Size (I.D 32mm): Drill Hole: 45mm | Max Wall Thickness: 15mm
    • 1-1/4" Size (I.D 40mm): Drill Hole: 64mm | Max Wall Thickness: 22mm
    • 1-1/2" Size (I.D 46/50mm): Drill Hole: 64mm | Max Wall Thickness: 22mm
    • 2" Size (I.D 58/63mm): Drill Hole: 78mm | Max Wall Thickness: 22mm

    Get a Free Quote

    Thank you for your interest in Atradesen.

    We specialize in high-quality hardware fittings, PVC & UPVC pipe fittings, aquarium accessories, irrigation components, water filtration products, and industrial supplies.

    Whether you are purchasing a single item, placing a bulk order, or looking for OEM manufacturing, our professional sales team is ready to provide you with the most competitive quotation.

    Why Request a Quote?

    βœ” Competitive Factory Pricing

    βœ” Wholesale & Distributor Discounts

    βœ” OEM & ODM Manufacturing

    βœ” Fast Worldwide Shipping

    βœ” Professional Technical Support

    βœ” Response Within 24 Business Hours


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    Purchase Requirements

    Required Quantity *

    Preferred Material

    • PVC
    • UPVC
    • Brass
    • Stainless Steel
    • Plastic
    • Other

    Size / Specification

    Example:

    • 1/2"
    • 3/4"
    • 1"
    • 25mm
    • 32mm

    Application

    • Aquarium
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    • Water Filtration
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    Shipping Information

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    β—‹ Air Freight

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    β—‹ No Preference


    Additional Requirements

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    Submit Your Request

    Click the Submit button below and our sales team will contact you within 24 business hours.


    Why Choose Atradesen?

    Atradesen is committed to providing reliable products and professional services to customers worldwide.

    We work with wholesalers, distributors, retailers, contractors, aquarium stores, hardware stores, irrigation suppliers, and industrial buyers.

    Our advantages include:

    β€’ Factory Direct Pricing

    β€’ Strict Quality Control

    β€’ OEM & ODM Manufacturing

    β€’ Fast Global Shipping

    β€’ Professional Customer Support

    β€’ Flexible Order Quantities

    β€’ Secure Online Shopping


    Frequently Asked Questions

    How long does it take to receive a quotation?

    Our sales team usually replies within 24 business hours.


    Do you offer wholesale pricing?

    Yes.

    We provide special pricing for wholesalers, distributors, retailers and bulk purchases.


    Can you manufacture OEM products?

    Yes.

    OEM and ODM services are available.

    Custom logo, packaging and product modifications are supported.


    What is your Minimum Order Quantity (MOQ)?

    MOQ depends on the product.

    Please contact us for detailed information.


    Which countries do you ship to?

    We ship worldwide.

    Shipping methods include DHL, UPS, FedEx, EMS, Air Freight and Sea Freight.


    Contact Information

    Atradesen

    Website

    https://atradesen.com

    Email

    tradesencom@gmail.com

    Phone

    +86-152-6063-0787

    WhatsApp

    +86-152-6062-9033

    Business Hours

    Monday – Friday

    09:00 – 18:00 (UTC+8)


    Thank You

    Thank you for choosing Atradesen.

    We appreciate your inquiry and look forward to building a long-term business relationship with you.

    Our goal is to provide reliable products, competitive pricing and excellent customer service for customers around the world.

    πŸ“¦ Shipping & Delivery

    βœ… Standard Shipping: $25 for orders below $300

    πŸŽ‰ Free Shipping: Orders of $300+

    πŸ“¦ Processing Time: 1–3 Business Days


    πŸ‡ΊπŸ‡Έ United States
    Free Shipping: 5–7 Business Days
    Standard Shipping: 7–15 Business Days

    🌎 International Shipping
    Free Shipping: 5–8 Business Days
    Standard Shipping: 8–15 Business Days


    πŸ“ Tracking number provided for every shipment

    πŸ”’ Secure packaging protects products during transportation

    πŸ”„ Returns & Refunds

    We want every customer to receive reliable and quality products.

    βœ… 30-Day Return Policy
    Products can be returned within 30 days after delivery if they meet return conditions.

    βœ… Product Quality Support
    If products arrive damaged, defective or incorrect, please contact us for assistance.

    βœ… Business Order Support
    For wholesale and bulk orders, our team provides professional after-sales solutions.

    *Return conditions may vary for customized OEM products.

    πŸ›‘οΈ Quality Guarantee

    🏭 Factory Direct Supply
    Direct sourcing from experienced manufacturers with competitive pricing.

    πŸ” Quality Inspection
    Products are inspected before shipment to ensure reliable performance.

    βš™οΈ OEM & Custom Solutions
    Customized sizes, colors, packaging and specifications are available.

    🌎 Global Business Support
    Supporting distributors, retailers and industrial customers worldwide.

    βœ… Reliable Materials & Manufacturing Standards
    Designed for long-term use in plumbing, aquarium, irrigation and industrial applications.

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