BIG DAISHOWA Product Guide Vol 3

CHAMFER/RADIUS MILLS & BACK COUNTERBORING TOOLS

UNIVERSAL TYPE Adjustment from 5 º to 85 º with a hex key.

CK TYPE

Ultra High Feed Radius Chamfer Mill

CK TYPE

World’s Smallest .197" Square Insert with Four Cutting Edges

Front and back radius chamfering of .02"-.16". Single-insert models or four-insert models for higher feed rates.

Ultra High Feed Chamfer Mill High-performance chamfer cutter increases the feed rate up to 400% by using four inserts and reducing the cutting diameter to the lowest limit. We offer various models that can do front chamfering at 30º/45º/60º angles, front/back chamfering at 45º angles, and even chamfering for bolt/tap holes that fit M8-M20 taps.

Four Indexes The unique insert geometry offers excellent sharpness. A high rake angle reduces cutting resistance and minimizes burr generation.

25

BF-CUTTER

Tap Hole Chamfering

Counter Bore Chamfering

Back Chamfering Face Milling Chamfering

3 FLUTES

45 º CKB SHANK TYPE Chamfer Range: ø.197"-3.937" The wide chamfering range reduces the need for multiple tool holders, cutting tool change times and enabling efficient magazine use and shorter machining cycles.

The long and parallelogram shaped insert achieves the ideal cutting performance for chamfering.

Back spot facing for cap bolt holes ø.433"-1.890". • Cap bolt size M6-M30 • Indexable inserts save money • Coolant through

Effective Twisted Edges

CUTTER DIAMETER: ø.075"-.311" Ultra-fine diameter allows both front and back chamfering even on workpieces with complex shapes.

UNIVERSAL TYPE Chamfer Range: ø.217"-1.673" Chamfering angle adjustment from 5º to 85º with a hex key.

85º

CrN Coating

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