PART

NUMBER

Thread

Size

A

B

H

L

Form

1639623

M3 x .5

12.0

7.0

7.0

3.5

A

1639624

M4 x .7

12.0

7.0

7.0

3.5

A

1639625

M5 x .8

16.0

9.5

8.0

4.5

A

1639627

M6 x 1.0

16.0

9.5

8.0

4.5

A

1639628

M4 x .7

16.0

9.5

8.0

4.5

B

1639629

M5 x .8

16.0

9.5

8.0

4.5

B

1639630

M6 x 1.0

16.0

9.5

8.0

4.5

B

PART

NUMBER

Thread

Size

A

B

H

L

Form

1639631

M4 x .7

16.0

10.0

6.0

4.5

C

1639632

M5 x .8

16.0

10.0

6.0

4.5

C

1639633

M6 x 1.0

16.0

10.0

6.0

4.5

C

1639634

M4 x .7

16.0

10.0

6.0

4.5

D

1639635

M5 x .8

16.0

10.0

6.0

4.5

D

1639636

M6 x 1.0

16.0

10.0

6.0

4.5

D

Material: Nylon 66

Colour: White

RoHS Directive 2002/95/EC

compliant

RoHS

Metric Knurled Thumb Nuts

N/A = Test data not available

1Nm = 8.851lbf-in

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

Thread Size

Suggested Max. Tightening Torque

(Nm) for Nylon 6,6 screws as per DIN3481X

M3

0.10

M4

0.25

M5

0.50

M6

0.80

Mechanical/Physical Properties

Units

Value

Density

1.14

Water Absorption

%

1.3

Tensile Strength at Break

MPa

55

Elongation at Yield

%

30

Tensile Modulus

GPa

1.50

Material Properties

Values measured at 23°C @ 50% RH

Electrical Properties

Units

Value

Electrical Resistivity

ohm-cm

≥1.00e+14

Surface Resistivity

ohm

0.10e+14

Dielectric Strength

kV/mm

26

Thermal Properties

Units

Value

Melting Point

°C

263

Short Term Minimum Working Temperature

°C

-40

Short Term Maximum Working Temperature

°C

110

Flammability

UL94

V2

Oxygen Index

%

26.5

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