Lag Screw Bolts

//Lag Screw Bolts

Lag Screw Bolts

Quality Inspection of Screws

There are two types of screw surface inspections, one is the inspection before the screw is produced, and the other is the inspection after the screw plating. Inspection method after screw treatment: Appearance quality requirements: The inspection of the appearance of the screws is carried out in terms of appearance, plating and other aspects. Inspection [...]

By |May 9th, 2019|Lag Screw Bolts, Screws|Comments Off on Quality Inspection of Screws
  • High Strength Bolts

Method of High Strength Bolts Fastening

The degree of tightening of ordinary bolts is not clearly defined, and the force applied during locking is generally as long as the connection is tight. However, since the tension is not applied when the lock is applied, the nut is prone to loosening. To prevent loosening, the inner nut can be pressed by the [...]

By |April 14th, 2019|Heavy Hex Bolts, Hex Bolts, Lag Screw Bolts|Comments Off on Method of High Strength Bolts Fastening
  • Expansion Screw

Expansion Screw Installation Steps

Install expansion screw prepare tools: hand drill, hammer, cross screwdriver, pencil. After preparing the tool, select an alloy drill bit of the same diameter as the expansion screw of the expansion screw, install it on the drill and then punch the wall. The depth of the hole is preferably the same as the length of [...]

By |April 11th, 2019|Expansion Screw, Lag Screw Bolts|Comments Off on Expansion Screw Installation Steps