Model: A-A-478

Twist Drill

Special Features:

Double ended; fractional size 1/4; for drilling holes in sheet metal up to 1/4 in. Thick

Properties:

Shank Diameter
0.250 inches
Overall Length
2.500 inches
Cutting Diameter
0.2500 inches
Cutting Rotation Direction
Right-hand
Flute Length
0.500 inches
Flute Quantity
2
Point Type
Split
Point Angle
135.0 degrees
Material
Steel, high speed
NSN
5133-00-290-3923
Part Number
A-A-478
Description
Drill,twist
CAGE
58536

An end cutting tool having two or more cutting edges, and having helical flutes or grooves adjacent thereto for the admission of coolant and the ejection of cuttings or chips. It is used for drilling holes in various materials. Excludes drill, masonry (as modified); and drill,twist, bone. See also drill, pivot, jeweler's and drill, hardened steel, carbide tipped.

Part A-A-478 NSN 5133-00-290-3923

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05237
FIIG:
A188A0
Concept No.:
App. Key:
L
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:
186620
UFC:
91810
LTL:
RATING VARIABLE
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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