Product Description：

 are designed to protect stud bolts and nuts from thread damage, dirt and anit-corrosion

M12 TO M90

1/2" to 3"

Shore A Hardness : 70HA±5
Spiral Type Tension Test Stand (also
called a screw test stand):35kg±5
Elongation:>300%
Insulation resistance≥100M Ω
Aging test: 105°C for 168 hours
without aging
Dielectric Strength Test :AC 200V/
Min (LMA) without Breakdown

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