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Double expansion anchor
1. Product name: zinc-alloy double expansion series anchor
2. Material: zinc alloy
3. Size: 1/4—3/4





Application
It can be used for fastening into rock, concrete, brick, etc. eliminates high stress points detrimental in fastening into materials of medium hardness, expands fully and has high gripping power.
Technical data
Anchor Size | Min. Drill Dia. | Hole Depth | Weight Kgs/1000pcs | Qty. Per Box/Ctn | Pull out Load (Kgs) |
1/4" | 1/2" | 1-3/8" | 18.2 | 50/500 | 1060 |
5/16" | 5/8" | 1-5/8" | 34 | 50/500 | 1340 |
3/8" | 5/8" | 1-5/8" | 57 | 50/500 | 2260 |
1/2" | 7/8" | 2-1/2" | 82 | 25/250 | 4110 |
5/8" | 1" | 2-3/4" | 114 | 25/150 | 6170 |
3/4" | 1-1/4" | 2-7/8" | 251 | 10/80 | 7710 |
Installation

White box (neutral packing) ---Craft paper carton---Free fumigation wood pallet or plywood pallet. We could also make packing as customer’s requirement.


Our service purpose is” To gain your trust and support with our sincerity and excellent service, thus achieve mutual benefits and win-win business relations.
1. 24-hour Trademanager on line.
2. Professional and Patient introduction on products.
3. Quotation in time
4. fast and reliable delivery
5. sound after-service system
Cixi JinGeng Fastener Co.,LTD. is located in Cixi city, zhejiang province, china. Being in the shore of the East China sea and the South of Hangzhou Bay Sea-spanning Bridge, this beautiful and affluent place is becoming the new hotbed for investment among China's Yangtze River Delta regions with its developed economy.
Cixi Jingeng Fastener Co.,LTD. is a private enterprise engaging in all kinds of fasteners--- expansion series fasteners, bolts, nuts and sorts of non-standard parts. We manage expansion series products including drop in anchors, wedge anchors, sleeve anchors, hollow wall anchors, and metal frame anchors,etc. Nuts like hexagonal nuts, hexagonal long nuts, flange nuts,cap nuts,nylon lock nuts...are still within our range. We also sell various bolts, such as hexagonal nuts, carriage bolts, flange bolts and so on. All these products are made in accordance with such standards as DIN,JIS,ANSI, ISO,BS,GB, avaliable with material from carbon steel, stainless steel, alloy steel to brass. At the same time, we could make a variety of non-standard parts based on customers’ drawings.
What is a double expansion anchor?
A double expansion anchor is a fastener for light duty to medium duty use.
This anchor should be used when installing an item into softer material, or a material whose strength is suspect.
As a bolt is threaded into the double expansion anchor, the expansion nuts move inward to expand the anchor body against the base material. It expands along the entire length of the anchor, which results in excellent holding values.
The anchor body of is made from a die cast alloy called Zamak, which is rust resistant and extremely durable.
The length of the bolt depends on the thickness of the material being fastened, the depth of embedment of the anchor, and space for any washers that may be used. The diameter of bolt to use is equal to the designated diameter of the expansion anchor being installed.
It is made up of six parts that are assembled and ready for installation. The parts of this anchor are: two halves of the anchor body, one threaded expansion nut, one non-threaded expansion nut, and two spring steel rings.
It is made up of six parts that are assembled and ready for installation. The parts of this anchor are: two halves of the anchor body, one threaded expansion nut, one non-threaded expansion nut, and two spring steel rings.
No. You don’t need to use a setting tool to set the anchor in the base material.
No. You don’t need to use a setting tool to set the anchor in the base material.
No. You don’t need to use a setting tool to set the anchor in the base material.
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