--- product_id: 14083885 title: "Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36\" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520)" brand: "groz" price: "¥71554" currency: JPY in_stock: true category: "Groz" url: https://www.desertcart.jp/products/14083885-groz-heavy-duty-sledge-hammer-14-lb-forged-induction-hardened store_origin: JP region: Japan --- # 6 spring steel bars lock handle 14 lb forged induction-hardened head 50-58 HRC hardness rating Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520) **Brand:** groz **Price:** ¥71554 **Availability:** ✅ In Stock ## Summary > ⚡ Smash Limits, Not Handles — The Last Sledge Hammer You’ll Ever Need! ## Quick Answers - **What is this?** Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520) by groz - **How much does it cost?** ¥71554 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/14083885-groz-heavy-duty-sledge-hammer-14-lb-forged-induction-hardened) ## Best For - groz enthusiasts ## Why This Product - Trusted groz brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Certified Toughness:** Meets BS 876, SANS 387, and ANSI standards for professional-grade reliability. - • **Industrial-Grade Power:** 14 lb forged alloy steel head hardened to 50-58 HRC for relentless demolition strength. - • **Unbreakable Handle Tech:** Patented 6 spring steel bars + steel plates ensure the head never loosens or splinters. - • **Versatile Heavy-Duty Use:** Perfect for stake driving, concrete fracturing, metal shaping, and emergency rescue work. - • **Ergonomic Shock Absorption:** Rubber grip dampens vibration, reducing fatigue during marathon strike sessions. ## Overview The Groz Heavy Duty Sledge Hammer (14 lb, 36") features a patented indestructible handle reinforced with 6 spring steel bars and steel locking plates, paired with a forged alloy steel head hardened to 50-58 HRC. Designed for professional demolition, stake driving, and rescue operations, it offers superior vibration absorption and meets rigorous BS 876, SANS 387, and ANSI standards, ensuring unmatched durability and performance in demanding environments. ## Description Stop wasting money on sledge hammers with handles that splinter, crack, or work loose under heavy use. The Groz Heavy Duty Sledge Hammer (34520) is the BIG BOY of the Indestructible Handle family — a 14 lb (6.3 kg) forged head paired with a 36" (900 mm) handle engineered to take a beating job after job.The head is forged from special steel and induction case hardened to 50-58 HRC, making it ideal for heavy demolition where the struck surface is softer than the hammer face. Six spring steel bars run the length of the handle and are locked to the head with steel plates, while a special bonding process ensures the head and handle never get loose. An ergonomic rubber grip absorbs vibration and reduces operator fatigue during long strike sessions.Built to BS 876 for material, hardness, and performance, and compliant with SANS 387:2014 and ANSI standards. Working temperature range -10°C to 50°C (14°F to 122°F). Use for driving stakes and fence posts, fracturing stone and concrete, rebar and railroad work, bending and shaping metal, and police, fire, and rescue applications. Do not strike objects harder than 46 HRC. (34520) ## Features - STOP REPLACING BROKEN SLEDGE HANDLES - The patented Groz Indestructible Handle locks the 14 lb head to the shaft with 6 spring steel bars and steel locking plates, so the head never dislodges - FORGED INDUCTION-HARDENED HEAD - 50-58 HRC head forged from special steel for heavy demolition, fracturing stone and concrete, and breaking through surfaces softer than the hammer face - VIBRATION-ABSORBING ERGONOMIC GRIP - Rubber grip on the 36" handle dampens shock and reduces fatigue during repeated heavy strikes; special bonding process keeps head and handle locked tight - CERTIFIED PROFESSIONAL-GRADE - Built to BS 876 for material, hardness, and performance; meets SANS 387:2014 and ANSI; rated for working temperatures from -10°C to 50°C (14°F to 122°F) - BUILT FOR HEAVY STRIKE WORK - Drive stakes and fence posts, break concrete and stone, bend and shape metal, rebar work, railroad maintenance, and police, fire and rescue applications ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00GUARBG0 | | Best Sellers Rank | #148,430 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #42 in Sledgehammers | | Brand | Groz | | Brand Name | Groz | | Color | 52 Hrc Head | | Customer Reviews | 4.9 out of 5 stars 20 Reviews | | Global Trade Identification Number | 00816139013602 | | Grip Type | Rubber | | Handle Material | Metal,Steel | | Head Material | Alloy Steel | | Head Style | Flat | | Included Components | sledge hammer | | Item Type Name | Unbreakable sledge hammer | | Item Weight | 19.09 Pounds | | Manufacturer | Groz | | Manufacturer Part Number | 34520 | | Model Number | 34520 | | Number of Items | 1 | | Style Name | 36" Handle | | UPC | 816139013602 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Groz - **Color:** 52 Hrc Head - **Handle Material:** Metal,Steel - **Head Material:** Alloy Steel - **Product Dimensions:** 38"L x 8"W x 3"Th ## Images ![Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520) - Image 1](https://m.media-amazon.com/images/I/318GVioH2eL.jpg) ![Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520) - Image 2](https://m.media-amazon.com/images/I/51gjg7iayUL.jpg) ![Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520) - Image 3](https://m.media-amazon.com/images/I/71Ec3m1aSSL.jpg) ![Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520) - Image 4](https://m.media-amazon.com/images/I/51LW1lReCWL.jpg) ![Groz Heavy Duty Sledge Hammer, 14 lb Forged Induction-Hardened Head 50-58 HRC, 36" Indestructible Handle with 6 Spring Steel Bars, BS 876 / SANS 387 / ANSI, Demolition & Stake Driving (34520) - Image 5](https://m.media-amazon.com/images/I/71hvorqOW8L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - Groz 34517 36" Indestructible Sledge Hammer, 8 lb - Groz 34550 12" Indestructible Striking Hammer, 2.5 lb, Soft 30 HRC - Klein Tools 5416TFR Tool Bag, Flame Resistant Canvas Bag for Bolt Storage with Double Reinforced Bottom and Tunnel Connect, 5 x 10 x 9-Inch --- ## 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.jp/products/14083885-groz-heavy-duty-sledge-hammer-14-lb-forged-induction-hardened](https://www.desertcart.jp/products/14083885-groz-heavy-duty-sledge-hammer-14-lb-forged-induction-hardened) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-14*