Supply Self Drilling Rock Anchor Bolt Using for Tunnel Support

• After-sales Service: 7 X 24 Hours One Week
• Warranty: One Year
• Certification: SGS
• Standard: AISI, ASME, ANSI, JIS, GB
• Surface Treatment: Without Processing
• Manufacturing Process: Hot Rolled
• Material: Carbon Steel, Alloy Steel
• Thread Form: ISO
• Tolerance: +0/-0.2mm
• Heat Treatment: Annealed
• Yield Strength: >125kn
• Tensile Strength: >180kn
• Certificate: Mtc
• Delivery Time: Within 7days
• Application: Mining Drill, Rock Protecting
• MOQ: 1tons
• Package: Plastic Clothes Wrapping
• Grade: 45# 40cr
• Length: 3m, 4m or as Per Client Request
• Packing: 100 Pieces or 150 Pieces Per Bundle
• Packing Weight: 1tongs Around Per Bundle
• Price According to: Price Is Based on Weight or Length
• Transport Package: Wrapped by Plastic Clothes
• Specification: 25, 28, 30, 32, 34, 38, 51
• Trademark: Xinruyi Steel
• Origin: Shandong, China
• Production Capacity: 3000 Tons Per Year

Product Description

 

  

Advantage & Function	1.Immediately initial stage support for rock, control the surrounding rock being out of shape, guarantee the stability of surrounding rock
	2.Compared with solid rebar bolts, medium hollow design, makes the hollow bolts get the function of grouting pipe, it well avoids the waste and running off of mortar when grouting pipe pull out form the rock layer under traditional technology
	3.Mortar injecting well filled, what is more it can reaching goal of pressure mortar injection, finally the quality of project is improved
	4.Due to each accessories or parts effecting, the bolt neutral peculiarity is good. The mortar can fill every surface part of the hollow bolts, so the bolts get rid of being rusty, finally we get the goal of long term protection and supporting for rocks.

Installation Method

1. Using the jackdrill dig into the same depth of bolt length.
2. Install the steel rising shell anchor head on the hollow bolt.
3. Put hollow bolt into the ready hole.
4. Install stopper mortar plug, base plate and nut on up side of hollow bolt.
5. Reversal the bolt, and make anchor head' rising shell grasp well of hole.
6. Fulfill the mortar.

Xinruyi Steel Group was built in year 2017 with registered capital of 30,000,000RMB, and we have been in the steel products industries for more than 10years. The group is located in Liaocheng City, next to capital of Shandong Province, and it enjoy good transportation environment of 3 hours to nearest port and 1 hour reaching the airport. 

As it is well known to all, Liaocheng city is the biggest steel pipe base in North China, with this significant advantage on geography aspect, us company have developed into one modern international XINRUYI STEEL GROUP. Till now we have two production plants for steel pipes and plate series production and processing, and three warehouses for steel products. Our yearly production scale can be reach to 500,000tons, and our warehouse stocks is yearly above 20,000tons. So that we can meet all kinds of demands from different countries clients. Our salesmen are trained to get the best and professional skills on doing export trading dealing with various kinds of issues in the trading, which is a base that our buyers can have good buying experience. Till now we can supply the good quality products consisting of and not limit to the following, steel pipes, bars, rock bolts, guardrail composite pipe, guardrail board, color coated steel coils, galvanized coils, steel balls, steel chains, steel plates and steel bearing. Besides we can provides processing procedures for the steel products, like anti-rust protecting, cutting and chamfer, coupling, heat treating, bending, galvanizing, polishing, beveling, pickling, plastic spraying, CNC machining, and so on. 

With efforts of Xinruyi People we have the pleasure to serve the clients from more than 20 countries and areas, We earned good reputations from the clients without any claim. We finally become good friends and intimate partners with them. 

Looking forward, we get good confidence that we will expand our business scales to more countries and areas, and serve more people in the world. Because we always believe quality of the commodity is the life of company, stability is the essence of quality. Also the integrity in business will help bring the long term business relationship, so it is the code that one company can develop and survive. 
Xinruyi Group is looking forward to the cooperation with you! We believe one time cooperation, friends forever!
(Xinruyi Steel Group Swear: we do not cheat any of our client, we only do business with good faith and honesty! Recent years especially in year 2021, lots of sellers of steels set up one international trading company, register Made-in-China VIP member, and make money by cheating clients.They are offering incredible low rate to attract clients and sending less weight goods to make money. )
(Xinruyi Steel Group Swear: Even if we do not get the order, we do not cheat even one client!)
(We give Made-in-China complain center as below:   https://sourcing.made-in-china.com/complaint/)

*What is your paying terms?
Our usual paying terms are 30%TT as deposit and balance paid after seeing copy of bill of loading. For clients cooperated for more than one year, we accept 20% prepay. Beside we do business also under D/P and LC terms.

*How long is your delivery time?
For the goods we have in stocks, we deliver the goods within 5days. If it is a production order with volume not above 200tons, the delivery time will usually be within 20days after sealing contract. And the delivery time shall be slightly longer for order volume above 200tons.

*Can you do partial shipment?
We will follow client request to do partial shipment or not. Partial shipment is not a problem for us.

*What is your Minimum Order Quantity?
For goods in stocks we supply starting with one piece. Shall it is a production order, the MOQ is 3tons. Please be noted price based on MOQ will be slight higher than FCL condition due to higher unit cost.

*Before cooperation we want a sample for inspecting of quality, is that okay?
  We can provide a free sample for you shall sample value not above 30USD, you only need to pay the express charge. For a sample valued more than 30USD, the express charge and just one half of sample value is on the account of you, and we afford the other half.

*What is the mode of transportation?
Ocean freight is the most important shipping way, and we choose the ship line based on soonest and earliest shipping time, rather than cheaper cost; or we follow clients' instruction if there is one. Also railways will be chosen by us when it is more convenient. For samples and papers, the transportation will be by air.
Δ More than 10years experience in the steel industry ensuring best ability supplying you best solutions on goods design, processing, transportation, and cost control.

Δ Abundant ready stocks and sizes ensuring you the shortest delivery time.

Δ Quality assured.One MTC sheet issued by us will be presented together with other shipment documents. We accept any quality claim raised within one year.

Δ Customized service help you avoid complex follow-up work, our professional processing on goods itself find you one-stop buying here.