Expansion Shell Mining Roof Bolts
  • Expansion Shell Mining Roof Bolts - 0 Expansion Shell Mining Roof Bolts - 0
  • Expansion Shell Mining Roof Bolts - 1 Expansion Shell Mining Roof Bolts - 1
  • Expansion Shell Mining Roof Bolts - 2 Expansion Shell Mining Roof Bolts - 2

Expansion Shell Mining Roof Bolts

Supreme Machinery has been producing Expansion Shell Mining Roof Bolts for many years and is one of the professional manufacturers and producers. Its products are widely recognized nationwide for their reliability and excellent quality, and exported to Europe, the United States, Africa, Australia with an eye on the future, the company will continue to improve and expand.

Send Inquiry

Product Description

Supreme Machinery is a professional high quality Expansion Shell Mining Roof Bolts Manufacturers and Suppliers in China. Expansion Shell Mining Roof Bolts are a common style of area ground support. A point anchor bolt is a metal bar between 20 mm – 25 mm in diameter, and between 1 m – 4 m long There is an expansion shell at the end of the bolt which is inserted into the hole. As the bolt is tightened by the installation drill the expansion shell expands and the bolt tightens holding the rock together. Mechanical bolts are considered temporary support


Product Specification

Stamping Bracket

To


Drawing No


Certificate No.


Supplier


PO NO.

SBR003

Shipped QTY

2100

Inspector


Supervisor


Material



Min.

Max

Compliance

A

49.0

48.7

49.3

OK

B

8.5

8.3

8.7

OK

C

Ø34

33.7

34.3

OK

Thickness

1.2

1.1

1.3

OK

KS

Remove bur,Corrosion Protection

OK


Expansion Leaves

To


Drawing No


Certificate No.


Supplier


PO NO.

SBR003

Shipped QTY

2100

Inspector


Supervisor


Material

Q235


Min.

Max

Compliance

A

76

75.7

76.3

OK

B

29

28.8

29.2

OK

C

9

8.8

9.2

OK

D

12

11.8

12.2

OK

E

2

1.9

2.1

OK

F

25

24.8

25.2

OK

G

8.0

7.8

8.2

OK

KS

Remove bur,Corrosion Protection

OK

Production Process

Machining Workshop

We have full set line of machining facilities, various CNC equipment and Machining Center can meet customers’ requirements. After machining, the casting parts will be completed. Then, they will be inspected and packed for delivery and shipment.

Quality Control

Checking the raw material after they reach our factory------- Incoming quality control

Checking the details before the production line operated

Have full inspection and routing inspection during mass production---In process quality control

Checking the goods after they are finished---- Final quality control

Checking the goods after they are finished-----Outgoing quality control

Packing and Delivery

Packaging of Expansion Shell Mining Roof Bolts can be customized based on customer requirements to meet the different needs, such as plastic bag, carton box, wooden case, crate, etc.






Hot Tags: Expansion Shell Mining Roof Bolts, Manufacturers, Suppliers, China, Factory, Buy, Made in China
Send Inquiry
Please feel free to fill your inquiry in the form below. We will reply you in 24 hours.
X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy