Model: BB20-4

End Milling Cutter

Properties:

Design Form

Double end

Shank Diameter

0.625 inches

Overall Length

4.500 inches

Diameter

0.625 inches

Unit Package Quantity

Unit Package Type

Packet

Cutting Rotation Direction

Right-hand

Flute Quantity

Cut Length

1.125 inches

Shank Type

Straight

Helix Direction

Right-hand

Flute Design

Helical

Material

Steel, high speed

Material

Steel

NSN

3455-00-139-3413

Part Number

BB20-4

Description

Cutter,milling,end

CAGE

64560

A rotary cutting tool of cylindrical form with either single or double cutting ends and with either a straight or tapered shank. The teeth may be straight or helical and be either right hand or left hand. It is used for milling slots, keyways and pockets where the ordinary arbor type of milling cutter cannot be used. Excludes cutter, milling, shell end.

Part BB20-4 NSN 3455-00-139-3413

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05077

FIIG:

T171-A

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Schedule B and Export

Schedule B: 8207701000
SITC: 69564
End Use: Textile, sewing machines
NAICS: 333515
USDA: 1

Freight Class: End milling cutters of base metal