--- product_id: 46718669 title: "Milton S-314MKIT ColorFit Coupler & Plug Kit - (M-Style, Red) - 1/4\" NPT, (14-Piece)" brand: "milton" price: "€ 46.12" currency: EUR in_stock: true reviews_count: 13 category: "Milton" url: https://www.desertcart.gr/products/46718669-milton-s-314mkit-colorfit-coupler-and-plug-kit-m-style store_origin: GR region: Greece --- # Color-coded for easy line ID 1/4" NPT universal threading Durable steel sleeve design Milton S-314MKIT ColorFit Coupler & Plug Kit - (M-Style, Red) - 1/4" NPT, (14-Piece) **Brand:** milton **Price:** € 46.12 **Availability:** ✅ In Stock ## Summary > 🔧 Lock in your workflow with Milton’s ColorFit – where precision meets power! ## Quick Answers - **What is this?** Milton S-314MKIT ColorFit Coupler & Plug Kit - (M-Style, Red) - 1/4" NPT, (14-Piece) by milton - **How much does it cost?** € 46.12 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/46718669-milton-s-314mkit-colorfit-coupler-and-plug-kit-m-style) ## Best For - milton enthusiasts ## Why This Product - Trusted milton brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Scratch-resistant steel sleeves outpace aluminum competitors in durability. - • **Color-Coded Precision:** Red anodized finish eliminates air line mix-ups—never guess again. - • **Pro-Grade Performance:** Rated up to 300 PSI for reliable, heavy-duty pneumatic applications. - • **Seamless Compatibility:** Fits all Milton and competitor M-style couplers and plugs effortlessly. - • **Quick Connect Efficiency:** Push-to-connect design saves time and frustration on every job. ## Overview The Milton S-314MKIT ColorFit Coupler & Plug Kit is a 14-piece set of 1/4" NPT M-style pneumatic fittings featuring anodized red aluminum and durable steel sleeves. Designed for easy color-coded matching to prevent air line cross-contamination, it offers superior scratch resistance and compatibility with Milton and competitor M-style couplers. Rated for up to 300 PSI, this kit ensures quick, secure connections ideal for professional workshops and industrial use. ## Description MILTON 14-Piece M-Style Color Fit now offers a customized color-coded system that allows for easy matching of couplers and plugs, among the range of standard Industrial pneumatic air coupler quick connects. Great way to solve that annoying problem of potential cross-contamination between different air lines. By dedicating certain colors to different air lines, this will eliminate the risk of mixing a lubricated line with a dry air line which will prolong your applications and help to quickly finish any project. Each piece is coated with Anodized Red aluminum and heavy-duty steel sleeves to prevent scratches or dulling of the coupler and plug after use. Compared to Legacy ColorConnex A73458D.PACKAGE CONTENTS: 6 Male Plugs 4 Female Plugs 2 Male Couplers 2 Female CouplersPUT COLOR TO USE IN YOUR SHOP: Easily match couplers to the right plugs using color, (red to red)- no more guessing. Use color to distinguish between air lines, such as lubricated vs. non-lubricated, or high pressure vs. low pressure.SUPERIOR PRODUCT DESIGN: Durable patent-pending steel sleeve design outlasts the competition by putting steel where you need it most. Milton uses an advanced, proprietary anodizing process.COMPATIBILITY: ColorFit M-style couplers and plugs are compatible with traditional Milton M-style couplers and plugs, competitor M-style couplers and plugs, and competitor red couplers and plugs. All threaded connections are 1/4"" NPT.SPECIFICATIONS: Do not exceed 300 PSI. For use with compressed air only. **Disclaimer: MILTON INDUSTRIES is NOT affiliated with Legacy-ColorConnex- X-Flow. Review: Good quality and value. - These work well. High quality and they hold up well with lots of use in an automotive shop. Review: MILTON PRODUCTS ON TOP! - After using them for a few weeks, I can confidently say they deserve a solid 5-star rating. First off, the durability of these couplers and plugs is impressive. They feel solid and well-made, which gives me peace of mind knowing they can withstand regular use in my workshop. The thread quality is exceptional; they screw on smoothly without any cross-threading, making the connection process hassle-free. One of the standout features for me is how well they fit with my existing air hoses and tools. These couplers provide a secure connection, minimizing any air leaks during operation. Lastly, the ease of use is a game-changer. I can quickly swap tools without fumbling around, which saves me time and frustration. Overall, if you’re in the market for reliable air tool couplers, I highly recommend giving Milton a try. The quality is truly amazing! ## Features - M-Style: Milton M-Style, Colorfit M-Style, + Red Competitor Couplers/Plugs Are All Compatible - Durable: Scratch-Resistant Steel Design In An Anodized Coating For Optimal Wear Vs. Aluminum Sleeves - Easy Match: Use Color To Distinguish Between Air Lines (E.G. High Pressure Vs. Low Pressure) - Color: Red To Red Matching - (M/Industrial) Air Coupler/Plug Fittings, Easy Push To Connect ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B073R7GG98 | | Best Sellers Rank | #6,450 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Air Tool Fittings | | Brand Name | Milton | | Color | Original Version | | Connector Type | Coupling, Plug | | Customer Reviews | 4.6 4.6 out of 5 stars (7,684) | | Exterior Finish | Aluminum | | Global Trade Identification Number | 00030937322579 | | Included Components | 1 Milton Branded Product | | Item Dimensions | 0.9 x 0.9 x 1.9 inches | | Item Type Name | Milton S-314MKIT Kit, 14pc M style 1/4" | | Item Weight | 0.83 Pounds | | Manufacturer | Milton | | Manufacturer Warranty Description | One Year Limited | | Material Type | Alloy Steel, Aluminum | | Model Number | S-314MKIT | | Number of Pieces | 14 | | Size | 14 Piece | | Thread Type | NPT | | UPC | 703570502607 370114735410 342192282933 374528297571 030937322579 604945364137 359627589628 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Milton - **Color:** Original Version - **Connector Type:** Coupling, Plug - **Exterior Finish:** Aluminum - **Item Weight:** 0.83 Pounds - **Item dimensions L x W x H:** 0.9 x 0.9 x 1.9 inches - **Material:** Alloy Steel, Aluminum - **Number of Pieces:** 14 - **Size:** 14 Piece - **Thread Type:** NPT ## Images ![Milton S-314MKIT ColorFit Coupler & Plug Kit - (M-Style, Red) - 1/4" NPT, (14-Piece) - Image 1](https://m.media-amazon.com/images/I/6106D3NyY9L.jpg) ## Available Options This product comes in different **Number Of Items, Style** options. ## Questions & Answers **Q: What is the lifespan of these connectors?** A: Usally my hoses gets holes before the connectors give out. **Q: You carry 3/8** A: These are for a 3/8" air line if that's what you're asking? The Fittings/couplers themselves are marked style "M" **Q: Are these water tight?** A: I bought this pack from Harbor Freight specifically to use for water lines at residential pressure levels (my home is 90-120psi), and the connection was water tight for me. **Q: Can these handle air and steam?** A: I do not know if they will handle steam. I bought them for use with an air compressor -up to 300 psi. I have had no problems with them. Make sure to use teflon tape on any threaded connections. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality and value. *by W***S on February 26, 2026* These work well. High quality and they hold up well with lots of use in an automotive shop. ### ⭐⭐⭐⭐⭐ MILTON PRODUCTS ON TOP! *by A***T on June 18, 2025* After using them for a few weeks, I can confidently say they deserve a solid 5-star rating. First off, the durability of these couplers and plugs is impressive. They feel solid and well-made, which gives me peace of mind knowing they can withstand regular use in my workshop. The thread quality is exceptional; they screw on smoothly without any cross-threading, making the connection process hassle-free. One of the standout features for me is how well they fit with my existing air hoses and tools. These couplers provide a secure connection, minimizing any air leaks during operation. Lastly, the ease of use is a game-changer. I can quickly swap tools without fumbling around, which saves me time and frustration. Overall, if you’re in the market for reliable air tool couplers, I highly recommend giving Milton a try. The quality is truly amazing! ### ⭐⭐⭐⭐⭐ No leaks. *by R***E on February 28, 2026* Excellent product. I've been buying air fitting after air fitting for years and they always leak. I just received my new fitting and they are GREAT. I'm going to be ordering more and replacing every fitting on every air tool i have. Thank you Milton, Great product. ## Frequently Bought Together - Milton S-314MKIT ColorFit Coupler & Plug Kit - (M-Style, Red) - 1/4" NPT, (14-Piece) - JASTIND Industrial Air Blow Gun with Brass Adjustable Air Flow Nozzle and 2 Steel Extension, Pneumatic Air Compressor Accessory Tool Dust Cleaning and Blower Gun - Flexzilla Air Hose, 3/8 in. x 50 ft., 1/4 in. MNPT Fittings, Heavy Duty, Lightweight, Hybrid, ZillaGreen - HFZ3850YW2 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/46718669-milton-s-314mkit-colorfit-coupler-and-plug-kit-m-style](https://www.desertcart.gr/products/46718669-milton-s-314mkit-colorfit-coupler-and-plug-kit-m-style) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-04-25*