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On sale!-€10.00
1/2 Inch Square Angle Wrench
to properly tighten the cylinder heads!
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Wrench, angular clamping disc with a 1/2 '' square for torque wrench.
It consists in saying that if we turn the nut by one turn (360 °), it amounts to taking a step on the screw. If we know the pitch of the screw (in mm) then we know how much the screw extends.
So if you do a 90 ° angular tightening , you know that the screw extends by a quarter of the screw pitch. If the pitch of the screw is 1 mm, then you know that the screw has lengthened by 0.25 mm.
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