








Coupler and Plug Kit, 1/4 Inch NPT, 14 Piece
US$74.68
Arrives as soon as ✓ Free shipping over $200Description
Product Details Color: Brass Size: 14 Piece with sealant Item Dimensions: 1.51 x 0.54 x 1.51 inches Item Weight: 0.52 kg Connector Type: Coupling Included Components: air fittings coupler an...
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Orders of $200 or more ship free. No code needed.
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Product Details
- Color: Brass
- Size: 14 Piece with sealant
- Item Dimensions: 1.51 x 0.54 x 1.51 inches
- Item Weight: 0.52 kg
- Connector Type: Coupling
- Included Components: air fittings coupler and plug
- Unit Count: 1 Count
- Model Number: 14D with sealant
- Number of Pieces: 14
- Manufacturer Warranty Description: no
- Set Name: 14 Piece Coupler and Plug Kit
- Item Type Name: 1/4 npt coupler and plug air fittings
- Manufacturer Part Number: 14D sealant
- Thread Size: 1/4 inch
- Thread Type: NPT
- Material Type: Brass
- Item Highlight: Industrial Type D, Solid Brass, Quick Connect Air Hose Fittings Set, with Sealant
- Exterior Finish: Brass
About this item
- Industrial Type Compatibility: Suitable for Industrial, M or D type couplers, interchangeable compatible with most manufacturers, 1/4 Inch NPT, 4 Ball design for secure connections
- Premium Brass Construction: High quality brass material ensures durability and non-rusting properties, offering more wear resistance than aluminum alternatives
- Versatile Applications: Use on professional jobsites, in automotive shops or at home in the garage, and common use to air fitting kit for air tools, air compressor, air nailer, air blow gun, pressure washer, air hose
- Quick Connect System: Quick and easy connect system with optimal sealing and high efficiency, featuring 1/4 npt thread and 1/4 inch basic body size
- Maximum Pressure Rating: Supports up to 300 psi maximum pressure for reliable performance in demanding applications
- Complete 14-Piece Kit: Comprehensive coupler and plug kit includes multiple fittings with sealant to provide everything needed for air hose connections
- Safety Features: Sleeve guard helps reduce the risk of accidental disconnection and protects the coupling sleeve during operation
Shipping Policy
Steelnook ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Steelnook will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@steelnook.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Steelnook replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.








