Model: 879

Machine Counterbore

Properties:

Pilot Diameter
Between 0.250 inches and 0.438 inches
Shank Diameter
0.438 inches
Shank Style
Straight round
Overall Length
4.312 inches
Cutting End Style
Interchangeable pilot
Cutting Diameter
0.5000 inches
Flute Quantity
3
Features Provided
Integral pilot
Hardness Rating
Between 40.0 rockwell c and 53.0 rockwell c
Material
Steel
NSN
5133-01-050-6044
Part Number
879
Description
Counterbore,machine
CAGE
13130

An end cutting tool having two or more cutting edges with flutes or grooves for the passage of cuttings, an integral or removable holder designed for adaption to the end of a machine spindle. The flutes or grooves are usually helical to give a positive rake at the cutting edges. It is designed to form a flat-bottomed enlargement of the mouth of a previously formed cylindrical hole. For items requiring a holder but the holder is not included, use cutter, counterbore.

Part 879 NSN 5133-01-050-6044

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05259
FIIG:
A188A0
Concept No.:
App. Key:
F
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
186630
UFC:
91810
LTL:
77.5
LCL:
--
WCC:
732
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8205100000
  • SITC: 69541
  • End Use: Photo, service industry machinery
  • NAICS: 332216
  • USDA: 1

Freight Class: Drilling, threading or tapping tools and parts thereof, base metal

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