Naniwa Carbide Hatsuri Nomi Stone Chisel — 25mm, Total Length 185mm

OVERVIEW & PRODUCT DESCRIPTION
Achieve precise masonry trimming, rigorous concrete demolition, and professional stone surface reduction with maximum durability and traditional Japanese precision using the Naniwa Carbide Hatsuri Nomi Stone Chisel (Model #1137).

Manufactured by Naniwa—renowned for exceptional carbide tooling and industrial abrasives—this professional-grade stone chisel features a solid 25mm round body (直径25パイ) paired with an extra-long, high-grade tungsten carbide tip (8x8x40mm dimensions) securely embedded at the cutting edge. The robust carbide tip provides exceptional wear resistance, impact toughness, and long-lasting hardness, allowing the tool to slice through hard stone, granite, concrete, and masonry without frequent re-sharpening. Weighing a solid, balanced frame with an overall length of 185mm, it delivers the direct impact transmission and structural rigidity required for heavy-duty striking work.

Whether used for professional stone masonry, architectural restoration, concrete surface prep, or artistic stone carving, this authentic Japanese tool delivers uncompromising performance and enduring reliability.

KEY FEATURES & SPECIFICATIONS
- Extra-Large Tungsten Carbide Tip (超硬チップ 8x8x40mm): Equipped with a deep, durable 8x8x40mm carbide cutting edge, ensuring superior hardness, extreme wear resistance, and long-lasting sharpness against abrasive stone and concrete.
- Heavy-Duty 25mm Round Body (直径25パイ): Engineered with a robust 25mm cylindrical shaft and an overall length of 185mm (全長185mm), maximizing structural strength and striking force transmission.
- Professional Naniwa Tool Engineering: Crafted with the precision manufacturing and industrial-grade metallurgy expected of top-tier Japanese cutting tool makers.
- Professional Masonry & Stone Utility: Ideal for stone carving, masonry trimming, concrete Hatsuri (surface chipping/demolition), architectural restoration, and hard landscaping applications.
- Handcrafted in Japan: Built with uncompromising Japanese quality standards.

- Specifications:
  - Brand: Naniwa / Naniwa Carbide (ナニワ合金 / ナニワ超硬合金)
  - Model: #1137 (はつりのみ 25mm)
  - Blade / Diameter Width: 25mm (直径25パイ / 刃幅25mm)
  - Total Length: 185mm (全長 185mm)
  - Carbide Tip Dimensions: 8 x 8 x 40mm (チップ寸法 8×8×40)
  - Edge Type: Carbide-tipped masonry chisel (超硬チップ付 はつりのみ)
  - Origin: Made in Japan

HOW TO CARE FOR STEEL
Wipe away dust, moisture, and debris immediately after use. Apply a light coat of mineral oil to the forged steel body to prevent rust, protect the carbide tip from severe impact drops, and store in a dry location.