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100% G18 G25 G30 Bearing Steel Grit for Granite Gang Saw

100% G18 G25 G30 Bearing Steel Grit for Granite Gang Saw

Product details

Rock drilling tools manufacturer ProDrill specializes in producing Bearing and Angular Steel Grit. Prodrill adopts special production technology and advanced production equipment to produce various sizes of Angular Steel Grit. 

Bearing steel grit is made of chrome alloy material which are fast atomized after melting. After heat treatment,it is featured with optimum mechanical characteristics, good tenacity, high fatigue resistance,long working-life,low consumption and so on. 30% will be saved. Mainly used in granite cutting,sandblasting 。

Our products are made of well-chosen alloy steel as material and their production strictly execute national standard of Angular Steel Grit. We continuously absorb international and domestic advanced production technology, and own perfect technique testing method and establish complete quality system.

Our special Angular Steel Grit has the advantages with high density, less air hole, more angularity, high intensity and so on. The comprehensive capability of our products have reached international advanced standard. It has excellent wearability,lower consumption, compared with some foreign famous brands and has got the good reputation from customers.

Bearing Steel Grit as granite gang-saw machine consumable, are used with water and lime as mixture with gang saw blade to saw the granite blocks into slabs, jumpo gang saw made in Italy, many brand like Barsonti, Bruton, Pellegrini, Simga.

G18 Bearing Steel Grit for Granite gang saw:

G30 Bearing Steel Grit for Granite gang saw:

One gang saw normal size 4500mm, need to consumable 7 tons steel grit for one month, for jump gang saw 5500mm, need 10 tons per month. Prodrill Bearing Steel Grit sawing performance can reach over sea famous brand like Armi, Marga , Premton, Sigma, Ikka, wheel brator etc.


Bearing Steel Grit is a super quality steel grit for granite saw.

Steel grit consumption reference for Saudian granite :

Steel grit technical data :

Products Steel Grit
Chemical Composition%
C 0.8-1.20%
Si 0.4-1.2%
Mn 0.6-1.2%
S ≤0.05%
P ≤0.05%
Hardness steel shot GP 41-50HRC;GL 50-55HRC;GH 63-68HRC
Density steel shot 7.6g/cm3
Micro structure Martensite structure
Appearance Spherical Hollow particles<5% Crack particle<3%
Type G120,G80,G50,G40,G25,G18,G16,G14,G12,G10
Diameter 0.2mm,0.3mm,0.5mm,0.7mm,1.0mm,1.2mm,1.4mm,1.6mm,2.0mm,2.5mm
Application 1.Granite cutting
2.Blast cleaning: Used for blast cleaning of casting, die-casting, forging; sand removal of casting, steel plate, H type steel, steel structure.
3..Rust removal: Rust removal of casting, forging, steel plate, H type steel, steel structure.
4.Shot peening: Shot peening of gear, heat-treated parts.
5.Shot blasting: Shot blasting of profile steel, ship board, steel board, steel material, steel structure.

Screen No. In Screen size SAE J444 Standard Steel grit
G10 G12 G14 G16 G18 G25 G40 G50 G80 G120
6 0.132 3.35
7 0.111 2.8 All Pass
8 0.0937 2.36 All Pass
10 0.0787 2 80% All Pass
12 0.0661 1.7 90% 80% All Pass
14 0.0555 1.4 90% 80% All Pass
16 0.0469 1.18 90% 75% All Pass
18 0.0394 1 85% 75% All Pass
20 0.0331 0.85
25 0.028 0.71 85% 70% All Pass
30 0.023 0.6
35 0.0197 0.5
40 0.0165 0.425 80% 70%min All Pass
45 0.0138 0.355
50 0.0117 0.3 80%min 65%min All Pass
80 0.007 0.18 75%min 65%min
120 0.0049 0.125 75%min 65%min
200 0.0029 0.075 70%min
GB 2.5 2 1.7 1.4 1.2 1 0.7 0.4 0.3 0.2

Bearing Steel Grit Packaging,


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