SAVETIX® captive screws

Applications of SAVETIX® washers and SAVETIX® screws

SAVETIX® Adhesive

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Technical data of the screw fasteners SAVETIX®

Savetix® captive washers

Savetix® captive washers , Standard tolerances to to DIN 6930
Size
(nominal size)
Diameter of hole d1
min.
Outer diameter D2
Thickness s
nominal size
Height b
max.
Contact area c
min.
Material
M4 4,1 19,5 0,4 3,8 2,7 A2 - 1.4301
M5 5,1 20,5 0,5 4 2,7
M6 6,1 21,5 0,6 4,2 2,7
M8 8,1 25 0,8 5,4 2,7
M10 10,1 27,5 1,0 5,8 2,7
M12 12,1 29,5 1,2 6,5 2,7

Standard tolerances to to DIN 6930
Savetix® washers is also available in special, customer specific sizes.

Savetix® captive hex screws with a thin shank, hex head to DIN 933 - technical specifications

Savetix® captive hex screws with a thin shank, hex head to DIN 933 - technical specifications
Size (nominal size)
d
Spanner
size
s
Head
height
k
Length
l
Threaded length
b1
Material
M4 7 2,8 The following lengths are available:
6, 8, 10, 12, 14, 16, 20, 25, 30, 35, 40, 45 mm
(length depends on size)
To customer specification
min. 4 mm
A2 - 1.4301
M5 8 3,5
M6 10 4,0
M8 13 5,3
M10 17 6,4
M12 19 7,5

Savetix® captive cap screw with thin shank, head to DIN 912 - technical specifications

Savetix® captive cap screw with thin shank, head to DIN 912 - technical specifications
Size (nominal size)
d
Spanner
size
s
dk Head
height
k
Length
l
Threaded length
b1
Material
M4 3 7 4 The following lengths are available:
6, 8, 10, 12, 14, 16, 20, 25, 30, 35, 40, 45 mm
(length depends on size)
To customer specification
min. 4 mm
A2 - 1.4301
M5 4 8,5 5
M6 5 10 6
M8 6 13 8
M10 8 16 10
M12 10 18 12

Also available in other screw geometries.

Individual SAVETIX® screws - High flexibility and individuality
Individual SAVETIX® screws - High flexibility and individuality
Individual SAVETIX® screws - High flexibility and individuality
Individual SAVETIX® screws - High flexibility and individuality
Individual SAVETIX® screws - High flexibility and individuality
Individual SAVETIX® screws - High flexibility and individuality

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Torques and tightening diagrams (torque over angle of rotation)

Position / angle Torque
M4 M5 M6 M8 M10 M12
1 (90°) 0,75 0,914 0,984 2,092 6,842 11,546
2 (180°) 0,848 1,702 2,082 3,594 12,2 26,63
3 (270°) 0,978 2,326 2,89 5,558 13,05 29,146
4 (360°) 1,12 2,396 3,384 6,754 13,368 30,008
5 (450°) 1,22 2,406 3,614 7,286 13,444 30,042
6 (540°) 1,25 2,406 3,756 7,398 13,444 30,132
7 (630°) 1,234 2,452 3,76 7,756 13,626 30,132
8 (720°) 1,26 2,504 3,768 8,228 13,662 33,644
9 (810°) 1,594 2,504 4,012 9,2 25,112 55,384
10 (900°) 2,02 3,2 4,53 11,754    
11 (990°) 2,132 3,514 6,36 14,798    
12 (1080°) 2,186 3,878        
13 (1170°) 2,4          
14 (1260°) 2,606          

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Tightening charts

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Installation instructions of the captive screws SAVETIX®

Instruction: Mount Savetix® optimal

SAVETIX screw fasteners

Place the washer on the screw. Insert the washer and screw the protective cover and put Savetix® from below.

SAVETIX screw fasteners

Housing and housing together. Savetix® is flat, while the hole is narrower than the thread width of the thin shaft screw.

SAVETIX screw fasteners

Savetix® has the internal radius of the screw hole so reduced in the deformation that the threads of the screw will no longer fit back.

SAVETIX screw fasteners

Download instruction 'Mount Savetix® optimal' (PDF format)

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Installation examples of the captive screws SAVETIX®

Proper installation:
Proper installation of SAVETIX®
The bore of the mating thread corresponds to the diameter of the hole Savetix disc.

Incorrect installation:
Incorrect installation of SAVETIX®
The bore of the counter-thread is larger than the diameter of the hole Savetix disc.

Ideal mounting case:
Ideally installation of SAVETIX®

Special case, when the screw is very small:
Einbau of SAVETIX® mit sehr dünnen Schrauben
Important: In this variation, the through-hole in the inspection cover must correspond to the diameter of the hole Savetix disc:
M4 = 4,1 mm, M5 = 5,1 mm, etc.

Possible error with thin screws:
Possible errors at thin screws
Flanged wheel, possibly tears off the head of the screw!

Possible error with thin screws:
Possible errors at thin screws
Flanged wheel, possibly tears off the head of the screw!

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