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Home » Products » Cemented Carbide » Carbide Inserts (for Mining Tools) » Tungsten Carbide Inserts (Drill Bit Inserts for Rock Drill)

Tungsten Carbide Inserts (Drill Bit Inserts for Rock Drill)

Backed by over two decades of experience in producing carbide inserts for mining tools, we now have powerful capacity in tungsten carbide products design and production.

This page mainly shows you some of our drill bit inserts for rock drills. Now we can supply a great variety of button bit inserts for rock drill bits. These tungsten carbide inserts are often found on the DTH drill bits, impact drill bits, roller bits, etc., and are very popular in rock drilling as well as oil and gas drilling fields.

Technical Specifications
We have abundant series of tungsten carbide inserts and can meet all kinds of customers' requirements. Custom carbide inserts are available upon request.

Designation JZ06 XR061 XR062
Cobalt Content (%) 6 6 6
Density (g/cm3) 14.95 14.95 14.95
Hardness (HRA) 90.3 90.4 90
Anti Bending Strength (MPa) 2,900 3,000 2,800
Wear Resistance Index (1/cm3) 14.5 15 13.5
Breaking Tenacity (MPa·m1/2) 12.2 11.9 12.5
Description Suitable for the DTH hammer and DTH hammer bit;
Drilling into medium-hard rock stratum (f10-14);
The wear resistance of JZ06 and XR061is better than that of XR062.
Suitable for the DTH hammer and DTH hammer bit; drilling into medium-hard rock stratum (f10-14) and hard rock stratum (f14-16);
The wear resistance of XR062 is better than that of JZ08;
The tenacity of XR062 is better than that of JZ06 and XR061.
Designation JZ08 JZ08A JZ08X
Cobalt Content (%) 8 8 8
Density (g/cm3) 14.75 14.75 14.75
Hardness (HRA) 89.5 90.2 90.8
Anti Bending Strength (MPa) 3,000 2,900 3,100
Wear Resistance Index (1/cm3) 10 14 17.5
Breaking Tenacity (MPa·m1/2) 13.4 11.7 11.3
Description Suitable for the DTH hammer and DTH hammer bit;
drilling into the hard rock stratum (≥ f16);
The tenacity of JZ08 is better than that of JZ08A and XR062
Suitable for the DTH hammer and DTH hammer bit;
Drilling into the soft and hard mixed rock stratum (f10-14);
The wear resistance of JZ08A is better than that of XR062 and JZ08;
The tenacity of JZ08A is better than that of JZ08X.
Suitable for the DTH hammer and DTH hammer bit;
Drilling into the quartz sandstone (f8-10);
The wear resistance of JZ08X is better than that of JZ08A.
Designation JZ09 JZ10 JZ10C
Cobalt Content (%) 9 10 10
Density (g/cm3) 14.65 14.55 14.55
Hardness (HRA) ≥89.0 88.4 87.8
Anti Bending Strength (MPa) - 2,900 2,900
Wear Resistance Index (1/cm3) 10 7 5.1
Breaking Tenacity (MPa·m1/2) - 14.7 16.5
Description Suitable for all kinds of wear resistant parts, such as drill bit gauge, saw drill bit and shield gauge. Suitable for the medium-high cone bit for drilling medium-hard rock stratum;
The wear resistance of JZ10 is better than that of JZ10C.
Designation JZ12 JZ12C JZ13 JZ13A JZ14 JZ14C JZ16 JZ16C
Cobalt Content (%) 12 12 13 13 14 14 16 16
Density (g/cm3) 14.33 14.33 14.25 14.25 14.14 14.14 13.95 13.95
Hardness (HRA) 87.9 86.6 87.5 88.5 87 86 86.5 85.5
Anti Bending Strength (MPa) 3,000 2,800 2,800 3,300 3,200 2,800 2,850 2,850
Wear Resistance Index (1/cm3) 4.8 3.7 5 6.5 4.2 3.3 3.6 3.1
Breaking Tenacity (MPa·m1/2) 16.8 17.9 16.7 14.5 17.3 18.6 16.8 21.3
Description Suitable for the medium-high cone bit for drilling medium-hard rock stratum;
The tenacity of JZ12C is better than that of JZ10C, JZ13 and JZ13A;
The wear resistance of JZ12C is better than that of JZ14C and JZ16;
JZ16C can adapt to higher rotate speed and drilling pressure;
The tenacity of JZ12C is better than that of JZ14C and JZ16.

Available Types of Tungsten Carbide Inserts
According to the matching drill bit, our tungsten carbide inserts can be divided into the ones for rock drilling bit, DTH bit and cone bit. And in terms of the shape, the drill bit insert is available in ovoid, conical, bullet, wedge, wing, spoon, flat, and sawtooth styles.

Ovoid Shape

The tungsten carbide insert can be applied to the DTH hammer for rock frilling, DTH hammer bit and cone bit for oil drilling rig. It serves to drill and break the rock stratum and is suitable for hard and extreme hard rock stratum.

Basic Types and Specifications
Type Basic Specification(mm) Type Basic Specification(mm)
D H D H
Q0406 4.4 6.0 Q1620 16.3 20.0
Q0507 5.4 7.0 Q1825 18.5 25.0
Q0709 7.4 9.0 Q1925 19.2 25.0
Q0914 9.2 14.0 Q2635 26.0 35.0
Q1422 14.3 22.0 Q2838 28.6 38.0

The customization of specification is available.

Conical Shape

This selection of tungsten carbide inserts can be applied to the DTH hammer for rock drilling, the DTH hammer bit and cone bit. It is suitable for drilling and breaking the hard rock stratum.

Basic Types and Specifications
Type Basic Specification (mm) Type Basic Specification(mm)
D H D H
Z0507 5.4 7.0 Z1217 12.3 17.0
Z0710 7.4 10.0 Z1419 14.3 19.0
Z0812 8.3 12.0 Z1518 14.7 18.0
Z0913 9.2 13.0 Z1625 16.3 25.0
Z1015 10.3 15.0 Z2238 22.3 38.0

The customization of specification is available.

Bullet Shape

This line of tungsten carbide inserts can be applied to the DTH hammer bit and cone bit. It drills, crushes and cuts the rock stratum and is suitable for medium-hard rock stratum.

Basic Types and Specifications
Type Basic Specification (mm) Type Basic Specification (mm)
D H h D H h
D0710 7.4 10.0 3.7 D1218 12.4 18.0 7.1
D0812 8.3 12.0 4.3 D1320 13.2 20.0 5.7
D0813 8.5 13.0 4.1 D1418 14.3 18.0 7.3
D0914 9.6 14.0 5.0 D1419 14.5 19.0 6.6
D1016 10.5 16.0 5.4 D1622 16.5 22.0 12.5

The customization of specification is available.

Wedge Shape

These tungsten carbide insert can be applied to the irregular DTH hammer bit and cone bit. It cuts and drills the rock stratum. It adapts to high drilling speed and is in low breaking rate. It is suitable for the soft rock stratum.

Basic Types and Specifications
Type Basic Specification (mm) Type Basic Specification (mm)
D H h D H h
X1015 10.0 15.0 6.2 X1620 16.4 20.0 7.6
X1114 11.6 14.0 7.5 X1828 18.5 28.0 13.3
X1217 12.2 17.0 6.0 X2032 20.6 32.0 15.5
X1218 12.5 18.0 7.3 X2838 28.6 38.0 15.4
X1421 14.4 21.0 8.1 X3040 30.5 40.0 16.3

The customization of specification is available.

Wing Shape

The tungsten carbide insert is in unique design. It can increase the drilling speed in mining operation. It cuts and crushes the rock stratum and is suitable for medium-soft rock stratum.

Basic Types and Specifications
Type Basic Specification (mm)
D H h
Y1015 10.0 15.0 4.8
Y1318 13.2 18.0 7.0
Y1622 16.4 22.0 6.9
Y2031 20.5 31.0 8.0
Y2235 22.8 35.0 9.2

The customization of specification is available.

Spoon Shape

The tungsten carbide insert is in unique design. It can increase the drilling speed in mining operation. It cuts and crushes the rock stratum and is suitable for medium-soft rock stratum.

Basic Types and Specifications
Type Basic Specification (mm) Type Basic Specification (mm)
D H h D H h
S0813 8.3 13.0 4.7 S2239 22.8 39.7 21.9
S1115 11.6 15.1 6.9 S2641 26 41.9 19.1
S1320 13.2 20.0 9.4 S2843 28.6 43.5 18.5
S1423 14.8 23.0 10.3 S3047 30.6 47.0 19.5
S1625 16.4 25.4 13.1 S3252 32.6 52.0 22.5

The customization of specification is available.

Flat Style

These tungsten carbide inserts are designed for cone bits, diamond drill bits, as well as stabilizers for hole drilling, etc.

Basic Types and Specifications
Type Basic Specification (mm) Type Basic Specification (mm)
D H D H
P0406 4.4 6.0 P1008 10.3 8.0
P0506 5.4 6.0 P1210 12.5 10.0
P0606 6.7 6.0 P1620 16.6 20.0
P0707 7.4 7.0 P1916 19.6 16.0
P0807 8.4 7.0 P2232 22.4 32.0

The customization of specification is available.

Sawtooth Shape

This range of tungsten carbide inserts can be applied as the wear part to protect the steel surface from wearing during low cost and low precision drilling operations.

Basic Types and Specifications
Type Basic Specification (mm)
D H
K0806 8.3 6.9
K0806 8.5 6.8
K1008 10.1 8.2
K1106 11.5 6.4

The customization of specification is available.

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