PART NUMBER

Nominal

Thread Size

Across Flats

Hexagon

H

Black

White

*1639575

*1639581

M4

6.9

8.7

*1639576

*1639582

M5

7.9

10.7

*1639577

*1639583

M6

9.8

13.0

1639578

1639585

M8

13.0

15.0

1639579

1639586

M10

16.7

19.5

1639580

1639587

M12

18.7

21.5

Material: Low Density Polyethylene

RoHS Directive 2002/95/EC compliant

This part has a circular external form and a hexagonal internal form and is suitable for Hexagon Head screws and nuts. Parts marked

* will also fit the appropriate size Metric Cheese Head Screw (Chapter 6)

Protects and gives a neat finish to exposed metal hexagon nuts and screw heads

Quick and simple to install

Hexagon Nut And Screw Head Covers

RoHS

Mechanical/Physical Properties

Units

Value

Density

0.924

Water Absorption

%

0.01

Tensile Strength, Yield

MPa

11.0

Elongation at Yield

%

14.5

Tensile Modulus

GPa

0.260

Material Properties

Electrical Properties

Units

Value

Electrical Resistivity

ohm-cm

≥1.00e+15

Surface Resistivity

ohm

1.00e+14

Dielectric Constant (1 MHz)

-

2.30

Thermal Properties

Units

Value

Melting Point

°C

111

Short Term Minimum Working Temperature

°C

-40

Short Term Maximum Working Temperature

°C

55

Flammability

UL94

HB

Oxygen Index

%

17.0

Above information is for guidance only and should not be used to establish specifications or as the basis of a design