Model: 20097H3-8C-16Z

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.969 inches and 1.000 inches

Fastener Length

Between 0.969 inches and 1.000 inches

Head Style

Flat chamfer

Head Diameter

Between 0.735 inches and 0.750 inches

Head Height

Between 0.492 inches and 0.500 inches

Hole Diameter

Between 0.061 inches and 0.067 inches

Internal Drive Style

Hexagon

Thread Diameter

0.500 inches

Width Across Flats

Between 0.375 inches and 0.379 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

24100 pounds per square inch

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Hole Configuration Style

Round internal hexagon

Material

Steel uns k03104

Material Specification

Astm a574 assn standard single material response

Surface Treatment

Chromate zinc

Surface Treatment Specification

Astm b633, type 2, class 3 assn standard single treatment response

Supplementary Features

Meets ansi b18.3, tables 1 and 1a except drilled head

Thread Series Designator

Unrc

Specification Data

81348-ff-s-86 government specification

Nondefinitive Specification/std Data

6 type and 1/2-13unrc size

Departure From Cited Document

Ff-s-66, paragraph 3.5.2, drilled head

NSN

5305-01-228-4691

Part Number

20097H3-8C-16Z

Description

Screw,cap,socket Head

CAGE

56878

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 20097H3-8C-16Z NSN 5305-01-228-4691

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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