KAMY offers unmatched quality, value, and innovation in our rock and concrete cutting products. Our expertise in engineering and our quality, US manufactured tunneling, mining and construction equipment is unparalleled to others in the industry.
KAMY is the leading manufacturer of roadheaders in the weight class of 13-100 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.
Technology led the establishment of the quality assurance after-sales service, improve the management system.
Production license of the product ensure that the license number, approval date and expiration date.
Product packaging in line with national regulations, due to packaging damage caused by the products borne.
Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.
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A wide variety of spiral flute step drill bit options are available to you, such as free samples, paid samples. There are 511 spiral flute step drill bit suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 99%, 1%, and 1% of …
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Shop Step Drill Bits & Drill Bit Sets on Amazon.com. A step drill bit, also called a step bit or drill, has various-sized cutting edges that cut larger holes as they progress closer to the tool's shank. Often made from high-speed steel, a step drill may include a coating …
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Step Drill, Cutting Tool, Machine Tool manufacturer / supplier in China, offering HSS Step Drill Spiral Flute Metric, 8PC Tungsten Grit Hole Saw Set, 9PC Tungsten Grit Hole Saw and so on.
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Our step drill bit set provides faster and more convenient drilling than single flute bits. Double cutting blades and X-type openings design ensure a faster and smoother cutting and 3-sided shank desi...
Step Drill | eBay
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Step Drill Bit | eBay
Drill Bits Binoax 3Pcs Metric Spiral Flute Step HSS Steel 4241 Cone Titanium Coated Drill Bits Tool Set Hole Cutter 4-12/ 20/ 32mm + Pouch Rated 4.7 /5 based on 82 customer reviews 4.7 (82 votes)