What are the main uses of a bolt tensioner?
He is elastic, in his range of elasticity can be stretched, and generally does not hurt the threaded bolt tensioner, high precision, high tensile bolt General requirements is the most appropriate, domestic stretcher good brand, I recommend Prima, quality customer service is good, and I hope to you help!
Stretch, fasten, or loosen the bolts and think of the bolts as a rubber band,
