The Supreme DB133 from Walter is a solid carbide micro drill with internal and external coolant capabilities. It’s key to establishing precise, reliable working processes and achieving significantly longer tool life in steel, cast iron and nonferrous materials (ISO P, K and N workpiece groups).
The use of Walter grades WJ30EL and WJ30ER specifically for micro drills ensures the drills exhibit superior wear resistance. In addition, the new cutting-edge geometry increases process reliability, and optimized dimensions allow for maximum stability, even with the smallest drills. The uniform finish on the drill cutting edges and tight tolerances ensure that the surface finish of the drilled holes is excellent.
With the special flute geometry, the chips (swarf) are evacuated effectively. This means hole depths of up to 12 x Dc can be easily achieved. Oil or emulsion can both be used as a coolant with these drills. For deeper holes beyond 8 x Dc, Walter has also introduced a corresponding line of pilot micro drills, the DB131.
The DB133 drills, with their 140-degree point geometry, are available in diameter range from 1/32-5/64 in. and 0.5 to 2.95 mm. Length to diameter ratios (L/D) of 5, 8 and 12 x Dc are standard.
The drills are designed for users in general manufacturing, mold and die making, medical, energy and automotive industries and any other areas where small diameter, deep holes are required.
The Supreme designation indicates the highest level of technology and performance available. The Supreme lineup of products is one of three designations to Walter product technology: Perform, Advance, Supreme. The Perform tools are products that provide an economical solution with focused importance on price. The Advance tools are products which are efficiently balanced between price and performance.
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