Model: PK55Z8-4

Tapping Screw

Properties:

Fastener Length
0.250 inches
Head Style
Pan no. 2
Head Diameter
Between 0.306 inches and 0.322 inches
Head Height
Between 0.085 inches and 0.096 inches
Internal Drive Style
Slot
Features Provided
Casehardened
Nonmachine Thread Style
Dog type (type b or c)
Nonmachine Thread Diameter
0.164 inches
Material
Steel comp 1010 or steel comp 1011 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020
Material Specification
Qq-s-633 federal specification all material responses
Surface Treatment
Cadmium
Nondefinitive Specification/std Data
B type and 9s style
NSN
5305-00-497-4085
Part Number
PK55Z8-4
Description
Screw,tapping
CAGE
45722

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part PK55Z8-4 NSN 5305-00-497-4085

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
41756
FIIG:
A003B0
Concept No.:
App. Key:
SN
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318140000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Self-tapping screws of iron or steel

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