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HSS Straight Shank Step Drill

Handle structureStep1diameterStep 2 diameterBlade lengthTotal lengthRemarks
Straight handle3~155~2015~8080~150

Mainly used in aviation, aerospace industry processing centers, robots to make stepped holes or precision reaming scenes with
high concentricity requirements. The step drill type can choose different cemented carbide materials to make the step drill
according to different processed materials,such as: the processed material is low and medium carbon structural steel or aluminum
alloy material, and the step drill can be XR10SD, ZY203EF, etc.; the processed material is Titanium alloy or high-temperature
alloy, step drill material can choose XR10ST, ZY12F, etc.; processing carbon fiber composite material, step drill material can
choose XR09U, ZY202, etc. Step drills can be made into two-step or multi-step drills as required.

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