California Knife and Blade and its global brand Baucor are excited to enter 2014 with state of the art grinding technologies to make industrial blades and machine knives, and materials include carbon steel, spring steel, tool steel, D2 tool steel, M2 high speed steel, tungsten carbide, CPM 10V and 9V, 400 series stainless steel, 300 series stainless steel, 1075 and 1095 spring steels. . The blade materials are heat treated and hardened in strictly controlled ovens.

One of their specialty is to custom make surgical (medical) knife blades. Areas include orthopedic saw blades, ophthalmic surgery blades, general surgery, neurological surgeries, plastic surgery, all made from tungsten carbide. While they mainly focus on developing prototype blades for major medical device OEMs and producers, they also have some capability manufacture small to medium volume surgical blades and medical knives.

“We chose to partner with Mr. Smith and DCI because we see tremendous opportunities ahead,” said Jeffery Christman, Managing Director of Rock Hill. “Two decades of positive results and a solid customer base help position DCI for strong growth. Moving forward, we plan to help Mr. Smith and his team streamline the operations, expand beyond current end markets into new ones and embrace new plating technologies, including the most recent addition tungsten carbide spray coating to its service offering. With limited competition in the arena, we see significant value enhancement opportunities ahead.”

“What struck me most about Rock Hill as an investment partner was their interest in partnering with us rather than taking over,” said Cliff Smith, Sr., Chairman of DCI. “They worked with us to develop a solid plan to streamline and consolidate our operations in order to better prepare us for significant growth and expansion. I’m confident that the future of DCI is on solid ground.”

 Rock Hill Capital Group (Rock Hill) has announced its investment in Oklahoma City-based Duracoatings Holdings, LLC (Duracoatings or DCI), the largest provider of chrome reworking and coating of downhole motor-related tools in the United States.

In 1993, Duracoatings was established by Cliff Smith, Sr. DCI continues to perform work in the metal finishings industry, providing electroplating, thermal spraying, grinding and polishing for the oil and gas industry, plus many other industries which deploy hydraulics, pumps, valves, and drilling tools.


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Freshly fallen snow is picturesque and beautiful. However, it never stays that way, because we have to trek out into it to carry on with our daily lives. If you want to take on the winter with renewed confidence, then the Retractable Spike Snow Boots will very likely be of use. These are a warm and soft pair of winter boots that have six 3-spike crowns of tungsten carbide hiding in the sole of the shoe. This material is harder than steel, yet slightly softer than a diamond.

Even with a nice pair of boots that have a lot of traction, the ice will still catch you off guard now and again. As the days go by, we’ll occasionally have higher temperatures which melt the snow, which later refreezes into ice. You can put out sidewalk salt all you’d like, but after a certain temperature, it doesn’t really matter anymore.

By turning a dial in the heel 360 degrees, the spikes will discharge, giving you a way to tread over the ice without acting like you’re walking on eggshells. The interior consists of a lambskin inner sole, and a leather upper. It is both breathable, and will make sure your toes stay toasty. This will cost you around $380, but will help you to keep from planting your rump meat in the snow on a daily occasion in the winter months.

Sumitomo Electric has created a domestic recycling system, which completes all recycling processes of precious tungsten in Japan, by collecting scrap tungsten carbide inserts and rotary tools sorted by Toyota and reprocessing them as recycled tungsten carbide products.

Today, more and more super-hard, lightweight materials, such as titanium, Inconel® and new aluminum alloys, are desired in various industrial fields including aerospace, defense, energy, and transport. The hardness of these materials, however, inevitably creates a demand for more accurate and advanced machining, which is the most urgent issue in the metal-working industry in order to achieve a competitive edge in the global market.

Emphasizing environmental issues as one of the most important challenges for our business, Sumitomo Electric will continue to meet customer demands and spare no effort in reducing the environmental impact in all aspects of the life cycle of tungsten carbide tools: production, use, regrinding, and recycling.