CROSS-HEADSOCKET

TYPEPZ(PoZidriv)

DESIGNSTANDARD

01332

normazione

Maindimensionsforscrews

page:1/3

Date:March1992

ThisstandardisinaccordancewithUNI7596

STANDARD’SPURPOSE

TodefinethedimensionaIcharacteristicsofthecross一headsocketstypePz(pozidriv)forscrews.

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Date

Description

=

March,92

Edition1一New.(AF)

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01332

page2

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Dimensionsinmm

a=1.25m

Cross-sect.A-A

Cross-sect.B-B

viewed

Detai1

fromY

Detai1viewed

fromX

Cross-sect.C-C

forimpressions

2,3and4

Cross-sect.C-Cforimpressions0and1

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page3

01332

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1

DIMENSIONALCHARACTERISTICS

ThedimensionaIcharacteristicsofthecross一headsocketstypePz(pozidriv)areshowninthetabIebeIow.

TabIe1

Dimension

0

1

2

3

4

b

0.76

1.27

1.83

2.72

3.96

c

0.127

0.15

0.15

0.20

0.20

f

0.48

0.74

1.03

1.42

2.16

g

0.86

1.32

2.34

3.86

5.08

r1

0.30

0.30

0.38

0.51

0.64

r2

0.06

0.05

0.05

0.10

0.10

r3

0.10

0.13

0.15

0.25

0.38

α

7。

7。

5。45/

5。45/

7。

β

7。45/

7。45/

6。20/

6。20/

7。45/

Y

4。23/

4。23/

3。

3。

4。23/

δ

46。

46。

46。

56。15/

56。15/

socketdiameter

m

AsperthedimensionaIstandardsforscrews

DriIIpenetrationdepth*

MaxosciIIation*

6。

Threadingdiametercoordination

upto2

from2

upto3

from3

upto5.2

from5.2

upto7.2

from7.2

upto12.7

*FordepthandosciIIationmeasuringdevices,refertostandardUNI7597.

一Themaindimensionsofthecross一headsocketsinthisstandardaretobeconsideredastheoreticaI.

一Thesocket’soutsideangIesshaIIberoundedwithradiusofabout0.2mm.

一Thecross一headsocketsverificationshaIIbemadewithdepthandosciIIationmeasuringdevicesasperthestandardUNI7597;theco