High Quality M22 Left-Hand Rock Bolt for Mine and Tunnel

• Customization: Available
• After-sales Service: After Received 1 Year
• Warranty: After Received 1 Year
• Model NO.: left hand rock bolt
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008, SGS
• Standard: BS, GB, ASTM
• Surface Treatment: Without Processing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Length: Custom Length
• Materials: High Strength
• Way to Install: According to Actual Engineering
• Marking and Numbering: Custom
• Installation Method: Pre-Stressed Anchor,Traction Bolt,Grouted Rock Bol
• Tolerance: +0/-0.2 mm
• Surface Finished: Customzied
• Color: Silver, Black
• Diameter: 3/16in, 1/4in, 5/16in, 12mm
• Thread Size: 1/4" - 3/4"
• Raw Material: 40cr Steel
• Feature: High Pressure
• Tensile Strength: ≥180 kN
• Report: SGS
• Quality Control: 100% Inspection
• Transport Package: Standard Seaworthy Packing
• Specification: MG335 MG500 MG600
• Trademark: LB or ODM
• Origin: China
• HS Code: 7326909000
• Production Capacity: 10000 Tons/Month

Product Description

High Quality M22 left-hand Rock Bolt For Mine and Tunnel

Product Description

Introduction of Left Hand Mine Tunnel Roof Support Self Drilling Rock Grouting Anchor Bolt
Anchor rods, also known as anchor bolts, play a crucial role in various construction projects by providing stability and secure anchoring of structures.These threaded rods are designed to fasten objects or structures to concrete or masonry surfaces.zmwm15

Their ability to resist tension forces makes them essential for ensuring the structural integrity and safety of buildings, bridges, towers, and other similar constructions.

During the constructions of underground works, it is very common to encounter soft rock, fractured zone and large deformation due to high ground stress. In the case of serious collapsing, extra-long anchor is needed instead of ordinary one.
 

Detailed Photos

 

Product Parameters

item	value
System of Measurement	INCH, Metric
Place of Origin	China
	Hebei
Brand Name	LB
Material	Steel
Diameter	5/16IN, 12mm
Capacity	2000kgs/piece
Name	Left-hand rockbolt
Application	Coal mine,roadway support
MOQ	1000PCS
Delivery time	5-10 Days
Length	Customized Length
Sample	Availabe
Advantage	Large anchoring force
Thread	1/4" - 3/4

Certifications

Packaging & Shipping

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

FAQ

1. who are we?
We are based in Hebei, China, start from 2011,sell to Domestic Market(50.00%),Southeast Asia(10.00%),North America(9.00%),Africa(9.00%),Western Europe(5.00%),Mid East(5.00%),Eastern Europe(3.00%),South America(2.00%),Oceania(2.00%),South Asia(1.00%),Eastern Asia(1.00%),Southern Europe(1.00%),Central America(1.00%),Northern Europe(1.00%). There are total about 101-200 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Friction Bolt, Solid Deformed Bar, Resin Capsule, Welded Wire Mesh Sheet, Domed Plate

4. why should you buy from us not from other suppliers?
Handan Zhongfu Industrial and Mining Accessories Co., Ltd. was established in 2011, located in Hebei-Yongnian, China's fastener industry base. It has built its own modern large-scale industrial and mining supporting material production workshop, anchoring

5. what services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese