Model: 12Z1037-76

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.544 inches and 0.641 inches
Fastener Length
Between 0.594 inches and 0.641 inches
Head Style
Flat chamfer
Head Diameter
Between 0.178 inches and 0.183 inches
Head Height
Between 0.109 inches and 0.112 inches
Internal Drive Style
Hexagon
Thread Diameter
0.112 inches
Width Across Flats
Between 0.078 inches and 0.079 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Material
Steel comp 304 or steel comp 303
Material Specification
Qq-s-763 federal specification 1st material response or qq-s-764 federal specification 2nd material response
Surface Treatment
Passivate and oxide
Thread Series Designator
Unc
NSN
5305-00-531-1772
Part Number
12Z1037-76
Description
Screw,cap,socket Head
CAGE
94135

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 12Z1037-76 NSN 5305-00-531-1772

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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