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| Material Number | 1183781 |
| ISO Catalog ID | NTU4R |
| ANSI Catalog ID | NTU4R |
| Grade | KC850 |
| Insert Size | 4U |
| Type of Thread | UN |
| [RC] Corner Radius Center | 0.125 mm |
| [RC] Corner Radius Center | 0.005 in |
| [E] Profile Distance | 3.175 mm |
| [E] Profile Distance | 0.125 in |
| Thread Pitch External | 1,25-6,25 |
| TPI External | 4-20 |
Grades
KC850
composition: A CVD tri-phase coating on an extra-strong, cobalt-enriched
alloyed substrate.
application: Designed for heavy cutting of low-, medium-, and high-carbon
steels, medium hardness alloy and tool steels, stainless steels, and some
high-temperature alloys. Excellent thermal and mechanical shock resistance
makes grade KC850 ideally suited for difficult drilling applications.
Used in inserts for Kendex/Metcut drill bodies.
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