American Heller Corporation offers a complete line of disposable or brazed type tools. Disposable or brazed type tooling is also ideal for the Mold Drilling Industry which requires many small holes per workpiece at an affordable cost per hole!
Consider these unique advantages of American Heller's Disposable or Brazed Tools
Superior performance to indexable tools when drilling small diameter holes
Economical! American Heller's disposable tooling provides a much lower cost per hole than other drilling tools
Tools produced to an accuracy of ±.0005" on diameter resulting in closer tolerance holes
Drill up to 100 times the tool diameter with runout as little as .001" per foot
No removal of tool during drilling operations to qualify cutter or pads. Less down time means higher productivity
Inserts with factory ground circle lands insure better hole finish and closer I.D. tolerances in deep holes
Hole tolerance of ±.001" I.D. obtainable
Tools available with coated or uncoated inserts and pads for drilling alloy steels, cast iron, stainless steels and space age metals
Accessories such as Cross Hole Adapters are available to increase tool life
Hole tolerances, concentricity, surface finish and runout will be affected by a number of factors including machine condition, alignment, boring bar straightness, bushing size, etc.Brazed
American Heller offers a wide variety of disposable tooling. the following table illustrates the various styles and bore ranges. See our Drilling Information page for more information on STS and or DTS drilling. Click the or icons for more info.
Brazed Disposable Drill Head (ETU) DTS Solid Boring Drill OD Thread