--- product_id: 360697903 title: "1/2 Inch Drive x 21 mm Deep 6-Point Impact Socket | SID23121" brand: "tekton" price: "₱1542" currency: PHP in_stock: true reviews_count: 13 category: "Tekton" url: https://www.desertcart.ph/products/360697903-1-2-inch-drive-x-21-mm-deep-6-point store_origin: PH region: Philippines --- # 21 mm Deep Socket Well 1/2 Inch Drive Precision Corrosion-Resistant Coating 1/2 Inch Drive x 21 mm Deep 6-Point Impact Socket | SID23121 **Brand:** tekton **Price:** ₱1542 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your toolkit with precision, power, and durability — don’t get left behind! ## Quick Answers - **What is this?** 1/2 Inch Drive x 21 mm Deep 6-Point Impact Socket | SID23121 by tekton - **How much does it cost?** ₱1542 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/360697903-1-2-inch-drive-x-21-mm-deep-6-point) ## Best For - tekton enthusiasts ## Why This Product - Trusted tekton brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Size Markings for Instant Clarity:** High-visibility laser + permanent stamp means no guesswork on the job. - • **Universal Compatibility with Drive Anvils:** Works seamlessly with friction ring or detent pin tools—flexibility that fits your workflow. - • **Radiused Corners to Prevent Fastener Damage:** Protect your hardware and tools by applying force to flat sides, not corners. - • **Deep Interior Well for Maximum Fastener Grip:** Engage fasteners fully, even in tight or recessed spaces. - • **Premium 50BV30 Alloy Steel with Manganese Phosphate Finish:** Built tough to resist corrosion and stand up to heavy-duty impact use. ## Overview The TEKTON 1/2 Inch Drive x 21 mm Deep 6-Point Impact Socket (SID23121) combines dual laser and stamped size markings with a deep socket well for superior fastener engagement. Crafted from high-grade 50BV30 chromium-vanadium steel and finished with corrosion-resistant manganese phosphate, it prevents fastener round-off with radiused corners and fits both friction ring and detent pin anvils. Trusted by pros and DIYers alike, it’s a must-have for any serious toolkit. ## Description Tekton deep impact sockets have two size markings—both a high-visibility laser marking and a permanent stamped marking. The interior well of the socket extends fully into the socket, which allows for better fastener engagement in more situations. Each socket works with both friction ring and detent pin anvils. Smooth walls without grooves support friction ring engagement, and a detent pin hole on one side allows you to decide whether to engage the pin. Radiused corners on the socket prevent fastener round-off by applying force to a fastener's flat sides, rather than its corners. Part by part, we choose the best combination of steel alloys, heat treating specifications, and forming processes to meet the highest performance requirements. This socket has a corrosion-resistant manganese phosphate coating. Review: Top Quality Tools From Tekton.. - I purchased this because another brand socket set I purchased didn't come with a 16mm. So now my set is complete. I have use this socket and its heavy duty and fits perfectly. Tekton is high quality. I have alot of Tekton tools and none have failed. Review: Perfectly adequate. - This was exactly what I needed for working on a deep set nut when replacing struts on my minivan. Seems sturdy enough and fit the 18mm nut fine. ## Features - Two Size Markings – The size is marked in two ways on every socket—both as a high-visibility laser marking and a permanent stamped marking - Full-Length Socket Well – While the overall socket is a shallow length, the interior well extends fully into the socket, which allows for better fastener engagement in more situations - Works with Friction Ring or Detent Pin Anvils – Smooth walls inside the drive end and a detent pin hole make the sockets compatible with both drive tool anvil types - Prevents Fastener Round-Off – Radiused corners prevent fastener round-off by applying force to a fastener's flat sides, rather than its corners - High-Performing Steel Alloys – This socket is made from 50BV30 Chromium-Vanadium (Cr-V) and has a corrosion-resistant manganese phosphate coating ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08DKC68JF | | Best Sellers Rank | #1,139 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Individual Drive Sockets | | Brand | TEKTON | | Brand Name | TEKTON | | Customer Reviews | 4.8 out of 5 stars 6,206 Reviews | | Drive Bit Shank Style | 1/2 Inch Drive | | Drive System | Hex | | Finish Type | Manganese Phosphate | | Finish Types | Manganese Phosphate | | Included Components | (1) TEKTON 1/2 Inch Drive x 21 mm Deep 6-Point Impact Socket | SID23121 | | Item Type Name | Impact Socket | | Item Weight | 0.54 Pounds | | Manufacturer | TEKTON | | Manufacturer Part Number | SID23121 | | Manufacturer Warranty Description | No time limits, no receipts: tekton.com/warranty | | Material | Alloy Steel | | Material Type | Alloy Steel | | Model Number | SID23121 | | Number of Items | 1 | | Number of Pieces | 1 | | UPC | 020209056516 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** TEKTON - **Drive System:** Hex - **Finish Type:** Manganese Phosphate - **Material:** Alloy Steel - **Number of Pieces:** 1 ## Images ![1/2 Inch Drive x 21 mm Deep 6-Point Impact Socket | SID23121 - Image 1](https://m.media-amazon.com/images/I/612Kbsda34L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Top Quality Tools From Tekton.. *by "***" on December 23, 2025* I purchased this because another brand socket set I purchased didn't come with a 16mm. So now my set is complete. I have use this socket and its heavy duty and fits perfectly. Tekton is high quality. I have alot of Tekton tools and none have failed. ### ⭐⭐⭐⭐⭐ Perfectly adequate. *by T***A on May 14, 2026* This was exactly what I needed for working on a deep set nut when replacing struts on my minivan. Seems sturdy enough and fit the 18mm nut fine. ### ⭐⭐⭐⭐⭐ Fit lug nuts perfectly. *by M***Y on June 1, 2026* worked as described without issue --- ## 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.ph/products/360697903-1-2-inch-drive-x-21-mm-deep-6-point](https://www.desertcart.ph/products/360697903-1-2-inch-drive-x-21-mm-deep-6-point) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-07-06*