WALTER-Speedmax has introduced solid carbide drills with exchangeable two-point bits and spiral flutes. Launched under the designation B 401x, the new drill is part of the new Xtra-tec product line made by the Tubingen-based tool manufacturer.
Xtra-tec ensures the highest levels of productivity ever reached, and it excels because double the feed rate can be achieved with two effective cutting inserts; there is simple and quick exchange of inserts using only one clamping screw.
Maximum repeat and rotational accuracy is ensured; extremely close bore tolerances are guaranteed due to the accurately positioned prismshaped insert seat; and the extremely stable insert position provides maximum operational security.
The carbide-tipped drill features a body of tool steel provided with spiral flutes similar to a conventional HSS drill. In combination with the carbide inserts, best tool stability and extremely long insert life is achieved.
The positive insert geometry and the spiral chip flutes also ensure excellent chip flow, thus minimising cutting forces.
The new drill is available in the diameter range of 12 to 31 mm. The standard drill length is 3xD, 5xD and 7xD. In addition to the standard design, every intermediate diameter or special length can be supplied. In this case, the basic body is manufactured according to the customer's requirements, then fitted with customised inserts.