--- product_id: 487379186 title: "Mayhew 31982 4-Inch Pneumatic Hammer" brand: "mayhew" price: "NT$1783" currency: TWD in_stock: true reviews_count: 5 category: "Mayhew" url: https://www.desertcart.tw/products/487379186-mayhew-31982-4-inch-pneumatic-hammer store_origin: TW region: Taiwan --- # 0.401-inch shank size 4-inch shaft length Shock-resistant tempered steel Mayhew 31982 4-Inch Pneumatic Hammer **Brand:** mayhew **Price:** NT$1783 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your craft with the hammer that means business. ## Quick Answers - **What is this?** Mayhew 31982 4-Inch Pneumatic Hammer by mayhew - **How much does it cost?** NT$1783 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/487379186-mayhew-31982-4-inch-pneumatic-hammer) ## Best For - mayhew enthusiasts ## Why This Product - Trusted mayhew brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** 4-inch shaft length delivers optimal control and reach in tight spaces. - • **Rust-Proof Reliability:** Black oxide finish provides superior corrosion protection for enduring performance. - • **Proudly Made in the USA:** Crafted with American quality and trusted by mechanics since 1856. - • **Built to Last a Lifetime:** Fully hardened and tempered tool steel offers unmatched shock resistance. - • **Precision Engineered for Professionals:** Standard .401 shank size ensures seamless compatibility with pneumatic tools. ## Overview The Mayhew 31982 4-Inch Pneumatic Hammer is a precision-engineered, durable tool featuring a standard .401 shank and a 4-inch shaft length. Made in the USA from fully hardened, shock-resistant alloy steel with a black oxide finish, it offers superior rust protection and longevity. Trusted by professionals and DIY enthusiasts alike, this lightweight yet powerful hammer is designed to deliver reliable performance in demanding pneumatic applications. ## Description The MayhewPro 31982 Pneumatic Hammer, 4-Inch is used with a pneumatic tool. Black oxide finish for additional rust protection. Made in the USA. Over all length: 4-Inch, body size: 0. 401-Inch, body type: Round, blade width: 1-Inch, and weight: 0. 30-pound. Comes with an unlimited lifetime . Mayhew stands for quality, dependability, and confidence. When the caliber of the tools is just as important as the skills of the professionals employed, businesses trust Mayhew to get the job done. Since 1856, our punches, chisels, and pry bars have been the go-to tools for OEMs and professional mechanics throughout the country. And while our company has grown to meet the needs of the professional market, as well as those of the do-it-yourself automotive enthusiast, our focus has never changed - leveraging our strength to build your business. Review: Excelente - Excelente martillo Review: Great Hammer, Its Gonna Beat Something ## Features - Features the standard .401 shank size - 4" Shaft length - Made in USA - Fully hardened and tempered, shock resistant tool steel - Black oxide finish for additional rust protection ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008M22VUA | | Best Sellers Rank | 673,301 in DIY & Tools ( See Top 100 in DIY & Tools ) 259 in Ball-Peen Hammers | | Brand | Mayhew | | Colour | Black Oxide Finish | | Country of Origin | USA | | Customer Reviews | 4.7 out of 5 stars 475 Reviews | | Global Trade Identification Number | 00045256319827 | | Grip Type | Textured | | Handle Material | Alloy Steel | | Handle material | Alloy Steel | | Head Material Type | Alloy Steel | | Head Style | Round | | Head material | Alloy Steel | | Included Components | Pneumatic Hammer 1" x 4" | | Item Dimensions L x W x Thickness | 10.2L x 2.5W x 1.3Th centimetres | | Item Type Name | Hammer | | Item Weight | 0.3 Pounds | | Item weight | 0.3 Pounds | | Manufacturer | Mayhew Tools | | Model Number | 31982 | | Number of Items | 1 | | Part Number | 31982 | | Product dimensions | 10.2L x 2.5W x 1.3Th centimetres | | Style | Standard Package | | UPC | 077349767307 767753039144 045256319827 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Mayhew - **Head material:** Alloy Steel - **Handle material:** Alloy Steel - **Colour:** Black Oxide Finish - **Product dimensions:** 10.2L x 2.5W x 1.3Th centimetres ## Images ![Mayhew 31982 4-Inch Pneumatic Hammer - Image 1](https://m.media-amazon.com/images/I/51bl+UR-aYL.jpg) ![Mayhew 31982 4-Inch Pneumatic Hammer - Image 2](https://m.media-amazon.com/images/I/61JPonKQPfL.jpg) ![Mayhew 31982 4-Inch Pneumatic Hammer - Image 3](https://m.media-amazon.com/images/I/61mss3O6IjL.jpg) ## Questions & Answers **Q: How do I get this warrantied mine broke?** A: Mayhew Customer Service can be contacted at customerserivce@mayhew.com or by phone at 800-872-0037 **Q: What is the diameter of the hammer head?** A: The diameter is 1-Inch. All 4 Pneumatic hammers has a 0.401 Turn Shank. Here are the dimensions: Model # 31962 - 1 X 8" Model # 31982 - 1 X 4-1/4" Model # 31987 - 1 X 6" Model # 32001 - 1 X 12" **Q: Has anyone needed to warranty these? How’s the process?** A: These items include a lifetime warranty. To process a warranty claim, please visit the Mayhew Tools website for contact information and methods (phone, e-mail, etc.). Please have available the item part number, a copy of your Amazon receipt, and a picture of the damaged/broken item. Mayhew Tools replaces all damaged/broken items that have not been abused. **Q: what lengths come included in this set?** A: i did not order a set. i bought a 4.25 inches and a 6 inches. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente *by O***R on 30 July 2025* Excelente martillo ### ⭐⭐⭐⭐⭐ Great Hammer, Its Gonna Beat Something *by L***E on 6 April 2026* ### ⭐⭐⭐⭐⭐ Worked just fine *by O***R on 31 March 2024* ## Frequently Bought Together - Mayhew Tools 31982 Pneumatic Hammer, 1" x 4", Black Oxide Finish - Mayhew Tools 31979 Pneumatic Taper Punch, 3/8" x 6", Black Oxide Finish - Ingersoll Rand 119MAXK Vibration Reduced Long-Barrel Air Hammer 5-Piece Chisel Set, 2,530 BPM, 3-1/2" Stroke, Round Shank --- ## 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.tw/products/487379186-mayhew-31982-4-inch-pneumatic-hammer](https://www.desertcart.tw/products/487379186-mayhew-31982-4-inch-pneumatic-hammer) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-06-19*