NU-TNMA220408 Polycrystalline Cubic Boron Nitride Insert, Grade BN250 - Sumitomo U100100

Sumitomo

NU-TNMA220408 Polycrystalline Cubic Boron Nitride Insert, Grade BN250 - Sumitomo U100100

MFR# U100100ISO/ANSI# NU-TNMA220408Series TNM

$30.37List $38.96 Save 22%
In stock - ships in 1-3 business days
Request a quote
  • Fast sourcing
  • Regrinding available
  • 20+ yrs expertise
IC1/2
ShapeTriangle
GradeBN250
MaterialPolycrystalline Cubic Boron Nitride

Description

The Sumitomo U100100 is a NU-TNMA220408 polycrystalline cubic boron nitride indexable insert, grade BN250. Suited for cast iron, hard material, superalloy.

Specifications

Ansi codeNUTNMA432
Chip breakerA
Clearance codeN
Coating processUncoated
Corner radius in1/32
Hole diameter0.2031
Included angle60.0
Inscribed circle in1/2
Insert handNeutral
Insert holding methodClamp; Pin
Insert length0.0787
Insert materialPolycrystalline Cubic Boron Nitride
Insert shapeTriangle
Insert size code432
Insert styleNU-TNMA
Insert thickness in3/16
Iso codeNU-TNMA220408
Manufacturer gradeBN250
Material gradeC4
Maximum depth of cut0.0150
Number of cutting edges1
Primary workpiece materialCast Iron; Hard Material; Superalloy
RakeNegative
Relief angle0
Single or multi tippedSingle Tipped
StandardsANSI; ISO 13399
StyleNU-TNMA432
Tolerance codeM
Can't find your exact tool?Send us a part number — we'll cross-reference it. Dull tools?Regrinding extends tool life and saves cost.

Alternate & equivalent tools

Matched on diameter, flute count, and material. Need a specific brand or coating? Cross-reference this tool.

Spec-matched alternates load as the catalog fills in. Meanwhile, browse the End Mills collection and filter by diameter, flutes & length of cut.