39mm Mining Friction Bolt

39mm Friction Bolt is primarily used for securing strata mesh by installing into existing 47mm friction bolts in conjunction with a smaller plate. Longer lengths are also used as primary ground support when drilling small diameter holes.



It is one of the standard Friction Bolt widely used in worldwide project of mining, tunnel and dam as rock support material.



Diameter 40 and 42mm Friction Bolt are also available for special required.

Different thickness is available such as 2.3mm, 2.5mm



Both galvanizing and black are available.



DIMENSIONS

Bolt Diameter           A 39mm

Bolt Length             B 600-3000mm

Taper End Diameter   C 30mm

Taper Slot Wide       D 2mm

Taper Length               E 65mm

Bolt Slot Wide        F 17mm

Ring Location            G 3mm

Material Guage       H 2.0-2.5mm

Ring Wire Guage        I 6mm

Ring Open Gap           J 5.0-6.0mm



PHYSICAL PROPERITIES TECHNICAL DATA

Yield Strength    Min. 345 Mpa 85KN

 Typical 445 Mpa 110KN Recommended Norminal

Bit Size 35-38mm



Tube Ultimate Tensile

 Strength    Min. 470 Mpa 115KN

 Typical 530 Mpa 130KN Typical Breaking Capacity 124KN



Mass per Meter 1.92 Kgs Minimum Breaking Capacity 89KN



Cross Section Area 245 mm² Recommended Initial

Anchorage     3 - 6 Tons

     27 - 53 KN



Hole Diameter Range 35-38mm Ultimate Axial Strain Typical 21%   Thickness16mm





TRM Bolt 

Code Bolt   Description Diameter mm Length

 mm Surface

 Finsih Weight

  Kgs Pack QTY

 Pcs Ring Color ID

FB39-0600 Friction Bolt 39x0600 39 600 Untreated 1.20  150 

FB39-0900 Friction Bolt 39x0900 39 900 Untreated 1.70  150 

FB39-1200 Friction Bolt 39x1200 39 1200 Untreated 2.40  150 

FB39-1800 Friction Bolt 39x1800 39 1800 Untreated 3.23  150 

FB39-2400 Friction Bolt 39x2400 39 2400 Untreated 4.30  150 

FB39-0600G Friction Bolt 39x0600 HDG 39 600 Hot Dip Galv. 1.26  150 

FB39-0900G Friction Bolt 39x0900 HDG 39 900 Hot Dip Galv. 1.80  150 

FB39-1200G Friction Bolt 39x1200 HDG 39 1200 Hot Dip Galv. 2.50 150 

FB39-1800G Friction Bolt 39x1800 HDG 39 1800 Hot Dip Galv. 3.38 150 

FB39-2400G Friction Bolt 39x2400 HDG 39 2400 Hot Dip Galv. 4.50  150



As a leading manufacturer Friction Bolt products in China, we are ISO9001 certified company, with more than ten years of experiences of producing and distributing super qualified friction bolt as well as all kinds of bearing plate and other related products used in the project of ground support, we have been supplying our products to many customers from all over the world including quite a few famous mining companies like Rio Tinto and BHP etc.