--- product_id: 20368062 title: "SUNEX Tools 3/8 in. Drive 5/16 in. 6-Point Male Pipe Plug Socket, CR-MO Steel, Model 310PC" brand: "sunex tools" price: "Β₯2778" currency: JPY in_stock: true reviews_count: 13 category: "Sunex Tools" url: https://www.desertcart.jp/products/20368062-sunex-tools-3-8-in-drive-5-16-in-6 store_origin: JP region: Japan --- # 6-point design for max grip 3/8 in. drive for versatile use CR-MO steel for ultimate durability SUNEX Tools 3/8 in. Drive 5/16 in. 6-Point Male Pipe Plug Socket, CR-MO Steel, Model 310PC **Brand:** sunex tools **Price:** Β₯2778 **Availability:** βœ… In Stock ## Summary > πŸ”§ Unlock Pro-Level Precision & Durability β€” Don’t Get Left Behind! ## Quick Answers - **What is this?** SUNEX Tools 3/8 in. Drive 5/16 in. 6-Point Male Pipe Plug Socket, CR-MO Steel, Model 310PC by sunex tools - **How much does it cost?** Β₯2778 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/20368062-sunex-tools-3-8-in-drive-5-16-in-6) ## Best For - sunex tools enthusiasts ## Why This Product - Trusted sunex tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Seamless Compatibility:** Perfectly machined for hand ratchets and breaker bars, delivering controlled, professional-grade fastening. - β€’ **Built to Last a Lifetime:** Crafted from high-strength chrome molybdenum steel with a black phosphate finish for unbeatable corrosion resistance. - β€’ **Precision Torque Mastery:** 6-point geometry ensures zero rounding and superior torque transfer for flawless fastening. - β€’ **Effortless Identification:** Laser-etched dual size markings guarantee quick socket recognition even in dimly lit workspaces. - β€’ **Trusted Industrial Standard:** Meets or exceeds ANSI and ASME standards, backed by a no-exclusions lifetime warranty for peace of mind. ## Overview The SUNEX Tools 3/8 in. Drive 5/16 in. 6-Point Male Pipe Plug Socket (Model 310PC) is engineered for professionals demanding precision and durability. Made from premium chrome molybdenum steel with a corrosion-resistant black phosphate finish, it features a 6-point design for maximum grip and torque transfer. Laser-etched dual size markings enhance usability in low light, while compatibility with hand ratchets and breaker bars ensures controlled fastening. Certified to meet ANSI and ASME standards and backed by a lifetime warranty, this socket delivers reliable, long-lasting performance in industrial and professional settings. ## Description The SUNEX Tools 3/8 inch Drive 5/16 inch Male Pipe Plug Socket, Model 310PC, is designed for professional and industrial applications requiring precise fastening and durability. This socket features a 3/8 inch drive size and a 5/16 inch socket size, constructed from high-strength chrome molybdenum alloy steel to withstand high-torque impact use. Its six-point design ensures maximum contact with fastener flats, reducing rounding and enabling efficient torque transfer. The socket is machined to exacting tolerances for a secure fit and reduced slippage, making it compatible with hand-operated ratchets and breaker bars for controlled fastening. The industrial black phosphate finish offers excellent corrosion resistance, contributing to the tool’s long service life. Dual size markings are laser-etched for quick identification even in low-light conditions. This product meets or exceeds ANSI and ASME standards, ensuring reliable and safe performance. Backed by the SUNEX Tools lifetime warranty with no exclusions, this socket provides lasting value for demanding work environments. Review: Worked good to remove 3/8 pipe plug from side of Case engine - Worked good to remove 3/8 pipe plug from side of Case engine block for installation of a block heater. Review: Solid Tool - Bought this for the drain plug on the transmission of my Suzuki Forenza. Can also confirm it fits the 06 and 08 as i have both. one was on a little to tight so i put this tool on an impact (expected it to snap). But, it held and took it right off. it was a perfect fit and at a great price! ## Features - Premium Pipe Plug Socket: 3/8 in. drive 5/16 in. 6-point pipe plug socket for professional and industrial applications - 6-Point Design: Six-point geometry provides maximum contact with fastener flats, reducing rounding and delivering superior torque transfer - CR-MO Alloy Steel: Constructed from high-strength chrome molybdenum alloy steel for maximum durability under high-torque impact use - Hand Tool Compatible: Designed for use with hand-operated ratchets and breaker bars for controlled, precise fastening - Lifetime Warranty: Backed by SUNEX Tools lifetime warranty with no exclusions - Precision Fit: Machined to exacting tolerances for secure fastener engagement and reduced slippage - Dual Size Markings: Features high-visibility laser-etched markings for quick identification even in low-light conditions - Black Phosphate Finish: Industrial black phosphate coating provides excellent corrosion resistance for long service life - Performance & Safety: Designed and manufactured to meet or exceed ANSI and ASME standards ensuring reliable, safe performance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0076HIHF0 | | Best Sellers Rank | #76,868 in Automotive ( See Top 100 in Automotive ) #32 in Automotive Replacement Pigtails & Sockets | | Bit Compatibilities | 0.375 inch | | Bit Set Composition | Single Bit | | Brand | Sunex Tools | | Brand Name | Sunex Tools | | Customer Reviews | 4.8 out of 5 stars 275 Reviews | | Drive Bit Application | industrial, professional | | Drive Bit Shank Style | 3/8 inch | | Drive System | 3/8-Inch Drive | | Finish Type | Manganese Phosphate | | Finish Types | Manganese Phosphate | | Global Trade Identification Number | 00613364043714 | | Included Components | Sunex Tools - 3/8 IN. DRIVE 5/16 IN. MALE PIPE PLU | | Item Length | 0.75 Inches | | Item Type Name | Sunex Tools - 3/8 IN. DRIVE 5/16 IN. MALE PIPE PLUG | | Item Weight | 13.61 g | | Manufacturer | Sunex International | | Manufacturer Part Number | SUN310PC | | Manufacturer Warranty Description | Manufacturer Warranty | | Material | Chrome Molybdenum Steel | | Material Type | Chrome Molybdenum Steel | | Model Number | 310PC | | Number of Pieces | 310 | | UPC | 613364043714 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Sunex Tools - **Item Length:** 0.38 Inches - **Material:** Chrome Molybdenum Steel - **Number of Pieces:** 310 - **Drive System:** 3/8-Inch Drive ## Images ![SUNEX Tools 3/8 in. Drive 5/16 in. 6-Point Male Pipe Plug Socket, CR-MO Steel, Model 310PC - Image 1](https://m.media-amazon.com/images/I/51O6LgKPOzL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked good to remove 3/8 pipe plug from side of Case engine *by R***Y on December 21, 2025* Worked good to remove 3/8 pipe plug from side of Case engine block for installation of a block heater. ### ⭐⭐⭐⭐⭐ Solid Tool *by I***D on December 4, 2018* Bought this for the drain plug on the transmission of my Suzuki Forenza. Can also confirm it fits the 06 and 08 as i have both. one was on a little to tight so i put this tool on an impact (expected it to snap). But, it held and took it right off. it was a perfect fit and at a great price! ### ⭐⭐⭐⭐⭐ Fits my drain plug perfectly *by A***R on October 22, 2025* 1987 Jeep wrangler that nasty odd drain screw on the transfer case. Found and old extension and used a grinder and finally made a fitting to fit. The very next day we used this on my buddies Jeep and bam off check and change . Perfect fit ## Frequently Bought Together - SUNEX TOOLS 310PC 3/8-Inch Drive 5/16-Inch Male Pipe Plug Socket - Dorman 82560 Oil Adapter And Cooler Gasket Assortment Compatible with Select Models, 15 Piece - General Motors ACDelco 88893990 Engine Oil Filter Adapter Gasket --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/20368062-sunex-tools-3-8-in-drive-5-16-in-6](https://www.desertcart.jp/products/20368062-sunex-tools-3-8-in-drive-5-16-in-6) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-19*