Founded in 1998,Specializing in Expansion Anchor Bolts and Cable Installation Parts.
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Drop In Anchor Bolt

Being suited for the light to heavy duty fastening and fixing the objects purposes in concrete masonry place. They are available in Metric and Inch size type from 1/4"(M6)-- to 3/4"(M20),made by the carbon steel and the Stainless Steel to meet many construction needs. After installation, the fixture could be removable because the Drop in Anchor is left in the concrete, so, the threaded rod or bolt fixed could be loosed and removed

  • Metric & American Standard
  • OEM
  • 7318159001

     As the internal thread style anchor fastener system, drop in anchor bolt is designed the diameter of the drop In anchor refers to the external diameter of the anchor body. They are produced by the multi station molding machine to ensure the precision of products and the stability of material properties, greatly improve the quality of products and production speed.

China drop in anchor manufacturers

• The external diameter of the anchor body is equal to the hole drilled diameter in the concrete site.

• Min. embedment for each length of drop In anchor is the length of the anchor.

• Insert the anchor into the pre-drilled hole with the threaded head end  towards the surface, then use proper setting tool and hit the expanded plug inside until the anchor body is fully expanded.

    They are suited for the light to heavy duty fastening and fixing purposes. concrete drop in Anchors are available in Metric and Inch size type from 1/4"(M6)-- to 3/4"(M20), made by the carbon steel and the Stainless Steel to meet many construction needings. After installation, the fixture could be removable because the Drop in Anchor is left in the concrete, so, the threaded rod or bolt fixed  could be loosed and removed easily.

The Installation Instruction

1. Pre-drill a hole of suitable dia. size in the substrate according the diameter of anchor dia.

2. Put anchor body into a drilled hole.

3. Hit the plug inside by a setting tool to expand the anchor body and remove the settingtool after be expanded fully.

4. Use the bolt or threaded rod to go through a pilot hole in the object for installation and insert it into the expaned anchorage. 

5. Turn and tighten the nut by tool till the object is firmly fixed.

drop in anchor manufacturer in China

Item Code Thread Size Anchor Dia. Anchor Length
DROAN-1/4 1/4 3/8 1
DROAN-5/16 5/16 10mm 30mm
DROAN-3/8 3/8 1/2 1-9/16
DROAN-1/2 1/2 5/8 2
DROAN-5/8 5/8 7/8 2-1/2
DROAN-3/4 3/4 1 3-1/4
DROAN-06 M6 / W1/4 8.0 mm 25.0 mm
DROAN-08 M8 / W5/16 10.0 mm 30.0 mm
DROAN-10 M10 / W3/8 12.0 mm 40.0 mm
DROAN-12 M12 / W1/2 16.0 mm 50.0 mm
DROAN-16 M16 / W5/8 20.0 mm 65.0 mm
DROAN-20 M20 / W3/4 25.0 mm 80.0 mm

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Add : Zhenxin West Road, ZheDong Economical
Developing Zone, YuYao, Ningbo, Zhejiang, China
Tel: 0086-574-66121970
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Email : sales@fastener-fixing.com

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