Kenna Universal™ • B731 • Short • Internal Coolant • Straight ShankSolid Carbide Step Drill for Universal Applications
Combining two applications in one process step’ reducing machining time and cost.;Excellent hole quality’ roundness’ ovality’ and position accuracy.;Easy to recondition’ delivering extended tool life. ;MQL-ready! All shanks fulfil the DIN 6535 and 69090-03 requirements for minimum quantity lubrication.

SAP Material Number7039054
ISO Catalog NumberB731A06909KMG
GradeKCU15
[D1] Drill Diameter M 6.909 mm
[D1] Wire SizeI
[L] Overall Length 89 mm
[L3] Flute Length 38.1 mm
[L4] Maximum Drilling Depth 19.8 mm
[L5] Drill Point Length1.16 mm
[LS] Shank Length 40 mm
[D] Adapter / Shank / Bore Diameter10 mm
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