System BTA Type 70A Ø 28.00 mm

System BTA Type 70A Ø 28.00 mm

Solid drill head Type 70A

with indexable inserts and guide pads
4-start connection thread external

Diameter: 28.00 mm
OAL: 74 mm
PL: 1,9 mm
DCON: 21,0 mm
Order number: 70A05-2800-110

The above dimensions apply to a completely assembled tool.
Inserts and guide pads not included – please order separately.


  • Very few wear parts over the whole drilling range
  • New chip breakers for high feed rates and high productivity
  • No adjustment after exchanging indexable inserts
  • We keep wear parts in stock
  • Newly designed tool shape for optimum cooling lubricant flow
  • Reinforced drill head body in the area of the peripheral insert
  • Maximum protection of guide pads against damage due to enhanced embedding
  • Highly wear-resistant drill head body
SKU: 501002369 Category:


Further dimensions:

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