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This expansion screw has a built-in tapered nut for use with a screw or screw.
- Description
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This expansion screw has a built-in tapered nut for use with a screw or screw.
Name Drop In Expansion Anchor Bolts External Force Expansion Anchor Bolts Size M6～M24 Length 40mm～300mm Grade 4.8 5.8 6.8 8.8 Material (1) Bolt materials commonly used materials: carbon steel Q195, Q235, 35K and 45# steel, for important or special purpose thread joints, can choose alloy steel with higher mechanical properties, or choose stainless steel material
(2) The allowable stress of the thread connection is related to the load nature (static and variable load), whether the connection is tightened, whether the pretightening force needs to be controlled, and the material, structure and size of the thread connection.Surface Electric galvanizing, hot galvanizing, Dacro Description This expansion screw has a built-in tapered nut for use with a screw or screw. Construction operation technology 1. Drill or core a hole to the recommended diameter and depth. Clean the hole thoroughly with a hole cleaning brush. Remove the debris with a hand pump, compressed air, or vacuum.
2. Insert the anchor into the hole. Using a hammer and the appropriate setting tool, drive the expansion plug into the anchor until the shoulder of the tool rests against the surface of the anchor.
3. Position the fixture, insert the bolt or threaded rod and tighten with a spanner.Drill a hole in the base material with a hammer drill and a correctly sized carbide drill bit for the diameter Drop-in anchor you are using.
1.Clean out hole of all debris.
2.Drop the anchor into the hole, slotted end first.
3.Insert the setting tool into the anchor and strike with a hammer until the lip of the setting tool meets the top of the anchor.
4.Set the fixture over the anchor and insert the properly sized threaded rod or machine threaded bolt through the fixture and into it.Scope of application Suitable for electrical equipment engineering, piping engineering, air conditioning pipeline factory. 
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