Model: ASME B18.6.4

Tapping Screw

Properties:

Fastener Length
Between 0.969 inches and 1.031 inches
Head Style
Pan no. 2
Head Diameter
Between 0.281 inches and 0.296 inches
Head Height
Between 0.079 inches and 0.089 inches
Internal Drive Style
Slot
Features Provided
Casehardened
Nonmachine Thread Style
Gimlet point (type a, ab or ba)
Nonmachine Thread Diameter
0.151 inches
Material
Steel
Surface Treatment
Zinc
Surface Treatment Specification
Astm-b633 federal specification 1st treatment response
Nondefinitive Specification/std Data
A type
NSN
5305-00-637-4522
Part Number
ASME B18.6.4
Description
Screw,tapping
CAGE
05047

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 ASME B18.6.4 NSN 5305-00-637-4522

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
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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