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Components



Busbar insulators

complete hexagonal
female-female
Polyester, glassfilled
back
  Green colored Standoffs are Stock Types
Material Nominal Voltage HEXThread Product-
code
Detail Information: Click on the Distance
<-------- Lenght L in mm -------->
Polyester, glassfilled 600/800VSW14M4IS14HH4..
15
20
25
           
Polyester, glassfilled 800/1100VSW20M5IS20HH5..  
20
25
30
35
40
45
50
55
60
    
Polyester, glassfilled 800/1100VSW20M6IS20HH6..  
20
25
30
35
40
45
50
55
60
    
Polyester, glassfilled 1000/1400VSW25M6IS25HH6..   
25
30
35
40
45
50
55
60
    
Polyester, glassfilled 1000/1400VSW25M8IS25HH8..   
25
30
35
40
45
50
55
60
    
Polyester, glassfilled 1200/1600VSW35M8IS35HH8..    
30
35
40
45
50
55
60
    
Polyester, glassfilled 1200/1600VSW35IS35HH10..    
30
35
40
45
50
55
60
    
Polyester, glassfilled 1400/1900VSW45M10IS45HH10..     
35
40
45
50
55
60
70
80
90
 
Polyester, glassfilled 4000/5600VSW45M10IS45HH101..              
100
Polyester, glassfilled 1400/1900VSW45M12IS45HH12..     
35
40
45
50
55
60
70
80
90
 
If customers ask for other hex, thred or length, and the quantity is profitable, we can produce.
Product Code Example:IS14HH415 = IS14HH4.. 15 mm Distance



This information is applicable to following articles:
High Voltage Insulator MI, Polystyrol HEX knob IS and Polystyrol HEX knob ISS, ISK, ISD
Torque chart
recommended values - indicative only
Bolt size Grade 4,8
M Torque Nm
M4 1,5
M5 3,0
M6 5,1
M8 12
M10 25
M12 43
M14 68
M16 105
M18 145
M20 205
M22 275
M24 350

Recommended max. tightening torque in Nm for untreated oil-smeared screws.
Friction coefficient µ=0.125, torque corresponds to approx. 62% of tensile bolt stress.
Friction coefficient µ=0.14, torque corresponds to approx. 90% of tensile bolt stress.

Every bolted joint is unique and the optimum tightening torque should be determined for each application by careful examination. A properly tightened bolt is one that is stretched such that it acts like a very ridged spring pulling mating surfaces together. The rotation of a bolt (torque) at some point causes it to stretch (tension).

Several factors affect how much tension occurs when a given amount of tightening torque is applied.

  • The first factor is the bolt's diameter.
  • The second factor is the bolts grade. It takes more force to stretch an SAE grade 8 bolt (or a 12.9 quality bolt) than it does to stretch an SAE grade 5 bolt (or a 8.8 quality bolt) because of the greater material strength.
  • The third factor indicates that harder, smoother and/or slicker bolting surfaces, such as threads and bearing surfaces, require less rotational force (torque) to stretch (tension) a bolt than do softer, rougher and stickier surfaces.