After-sales Service: | 1 Year |
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Warranty: | Online Technical Support |
Certification: | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
Standard: | AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN |
Surface Treatment: | Without Processing |
Manufacturing Process: | Casting |
Samples: |
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Customization: |
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The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation. Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc projects.
1. Material:Carbon Steel Q195, Q235, 35K, 45K,B7, SS304 , SS316
2. Grade: 4.8,8.8,10.8, 12.9; 2, 5, 8, 10 ,A2, A4
3. SIZE: M3-M64, length from one meter to three meter
4. Standard: DIN975/DIN976/ANSI/ASTM
Product Name | Hollow bolts / Rock bolts / Hollow grouting anchor rod / grouted hollow anchor bar | |
Standards | GB1499.2-2007 GB 50086-2015 TB/T 3209-2008 | |
Grades | Carbon | 45#, sae1045, aisi1045 |
Alloy | 40Cr, JIS SCr440, ASTM 5140, ISO 41Cr4 | |
Certificate | SGS,CE,ISO | |
Outside diameter | 25mm, 25.4mm, 28mm, 28.3mm, 30mm, 32mm, or as per required | |
Tolerance for OD | +0mm/-0.2mm | |
Length | 4-12m fixed length, or as per the required | |
Surface treatment | Black / oiled, or as per required. | |
Heat treatment | Annealed | |
Test | Ultrasonic test | |
Packing | Regular package | |
Application | Surrounding rock system shoring and supporting | |
Shipping term | EXW,FOB,CFR CIF,etc | |
Shipping port | Qingdao, or Tianjin port | |
Third party inspection | Acceptable | |
Trade term | CIF, CFR, FOB, EXW | |
Delivery time | Within 7 days for stocks supply. | |
Paying term | 30%TT + 70% TT against copy of documents, or 30%TT + 70% LC. |
Q1: Are you factory or trading company?
A: We are manufacturer and trader. Welcome you visit our factory.
Q2: Can you guarantee the quality of your products?
A: Best quality is our principle all the time. We have 2 times QC one by one.
Our vision: to be world-class professional, reliable and outstanding steel supplier.
Q3: Do you provide samples? Is it free or extra 2?
A: The sample could can provide for customer with free, but the freight will be covered by customer account.
The sample freight will be returned to customer account after we cooperate.
Q4: What is your MOQ?
A: We welcome your trial order MOQ 25 T to be stuffed in 1*20GP Large quantity can reduce your cost.
Q5: What is your main market?
A: Our products are mainly exported to Africa, Southeast Asia, the Middle East, Central Asia Europe,
North & South America and other countries and regions.
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