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Indexable Solution for Small-Size Tools Carrying Triangular Inserts

The new NANMILL family has been designed for applications that were previously limited to using solid carbide end mills. "When compared with underutilized solid carbide end mills (i.e., using only the very end of the end mill), this new family can provide a cost benefit option due to the advantages of indexable inserts/tools," said a company spokesperson.

NANMILL tools are designed to provide an enhanced solution for manufacturers of small-size/miniature parts and compact components/features in a variety of materials.

"In the past, such small indexable diameters were limited to only one flute. NANMILL indexable inserts allow tools to be designed with more than one insert and is the smallest of its type in the market today," said the spokesperson.

The new HM390 ETP .-04 end mills utilize HM390 TPKR 0401-PCTR inserts and features, including:

  • 90º cutting edge angle
  • Reduced cutting forces and smooth cutting
  • Ramp down capability
  • Cutter body with special protective, single-layer hard touch coating for uninterrupted chip flow and protection from corrosion and wear
  • .118" maximum depth of cut.

Single-sided inserts feature:

  • Single-sided triangular inserts
  • Positive radial and axial cutting geometry on the tool
  • Wiper flat for high surface finish
  • Inserts produced from ISCAR's latest SUMO TEC carbide grades, which significantly increase productivity.

The key element of the cutter design is a method of clamping inserts with no falling parts. "The new tools feature a rigid screw head wedge clamping method that does not require screw removal for insert indexing, which is very important for such small elements," said the spokesperson. Since the insert is very small, placing it in the pocket is done by a key with a magnetic boss on the key handle.

"The new NANMILL family provides a viable, economical, alternative to the solid carbide end mills that are commonly used in diameters of .313 in. and .375 in.," said the spokesperson.

For more information contact:

ISCAR Metals, Inc.

300 Westway Place

Arlington, TX 76018


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