Model: 3957-6 21

Twist Drill

Special Features:

Aircraft extension type; wire size 21

Properties:

Shank Diameter
0.159 inches
Shank Style
Straight round
Overall Length
6.000 inches
Cutting End Style
General purpose
Cutting Diameter
0.1590 inches
Cutting Rotation Direction
Right-hand
Flute Length
2.125 inches
Flute Quantity
2
Point Type
Split
Point Angle
118.0 degrees
Material
Steel, high speed
Specification Data
80205-nas907 professional/industrial association standard
Nondefinitive Specification/std Data
A type and 21 size
NSN
5133-00-595-8860
Part Number
3957-6 21
Description
Drill,twist
CAGE
60NQ9

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 3957-6 21 NSN 5133-00-595-8860

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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