Description
Precision Ground & Polished Solid Carbide Blank
Ultra-Tool’s Series 650 Polished Ground Carbide Cylinders feature the same worldclass tungsten carbide
substrate we use in all our finished cutting tools. Ultra-Grain has an excellent combination of high hardness
& transverse rupture strength. Additionally, although cemented carbides typically feature poor corrosion resistance, our
Series 650 offers industry leading specifications for this characteristic as well. These cylinders, like all Ultra-Tool solid carbide
products, are Shrink-Fit Ready (SFR).
Industry Class ISO K20, USA C2 Blended ratings; may vary slightly based on diameter and length.
Ultra-Grain® 1
Cobalt Percentage: 10%
Grain Size (μm): ≤ 0.7
Hardness: 92.7 HRa, 1680 HV
Fracture Toughness (K1c): 7.9
TRS (GPa): 4.1
Density (gm/cc): 14.30
SFR : Ground Cyl Specs (Metric):
Diameter +0.000/-0.007mm
OAL ±1.52mm
SFR : Ground Cylinder Specs:
Diameter +.0000/-.0003
OAL ±.060
Diameter tolerance is .0005 on lengths of 6” and longer.
Lengths of 12” (305 mm) are uncut and will have greater OAL plus + tolerance.
Series 650 may have chamfer on one end dependent upon size.
Specifications:
Series : 650
Diameter : 4.5mm
Decimal size : 0.1772 ins
Overall Length : 70mm
Coating : UC Uncoated
System of measurement : Metric / mm
Made in USA
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