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Tungsten Carbide Inserts for Mining

RockSmith’s Tungsten Carbide Inserts are engineered for superior performance in DTH (Down-The-Hole), threaded, and taper drill bits. Recognised for their industry-leading quality, these inserts offer exceptional wear resistance and cutting efficiency. We also provide custom solutions tailored to meet specific client requirements, ensuring optimal performance in diverse drilling conditions.

Grade Introduction

Grade Cobalt
(%)±0.5		 Density
(g/cm3)±0.1		 Hardness
(HRA)±1.0		 TRS(Mpa) Recommended Application
KK06V 6 14.97 90.5 3100

1. High air pressure DTH bits;
2. Threaded bits;Suitable for hard and extra hard formation; Insert features longer life.
KK06L 6 14.95 90.2 3000

1. High air pressure DTH bits;
2. Threaded bits; Suitable for hard and extra hard formation.
KK06H 6 14.95 90 2800

1. High air pressure DTH bits;
2. Threaded bits; Suitable for medium-hard formation.
KK06 6 14.95 90 2600

1. Low air pressure DTH bits;
2. Taper bits; Suitable for medium-soft formation.
KK07K 7 14.85 89.5 2900

1. Large diameter DTH bit; Suitable for majority of formation.
KK07L 7 14.85 89.5 3000

1. Threaded bits that can be reground; Especially suitable for hard or high compressive strength formation.
KK07HD 7 14.85 89 2900

1. DTH bits for soft formation;
2. Extra large diameter DTH bits;
3. Extra high compressive strength formation.
KK30 8 14.75 88.5 2800

1. Welded DTH bits;
2. Suitable for complex mediumsoft formation.

Product specifications - Tungsten Carbide Inserts for Mining

Spherical inserts

 Product number Basic size(mm)
diameter(FD) height(H) Sphere radius(R)
CM-S8212 8.2  12 4.2 
CM-S9213 9.2  13 4.6 
CM-S10014 10.2  14 5.2 
CM-S11215 11.2  15 6.0 
CM-S12217 12.2  17 6.6 
CM-S13219 13.2  19 6.7 
CM-S14322 14.3  22 7.2 
CM-S16324 16.3  24 8.8 
CM-S18337 18.3  27 9.2 
CM-S19225 19.2  25 9.6 
CM-S20228 20.2  28 10.2 
CM-S22230 22.2  30 11.2 

Parabolic insets

 Product number Basic size(mm)
diameter(FD) height(H) Crown height(h)
CM-P07211 7.2  11 3.9 
CM-P08212 8.2  12 4.3 
CM-P09213 9.2  13 5.0 
CM-P10215 10.2  15 5.2 
CM-P11216 11.2  16 5.8 
CM-P12317 12.3  17 6.7 
CM-P13318 13.3  18 6.8 
CM-P14320 14.3  20 7.3 
CM-P16324 16.3  24 8.4 
CM-P18327 18.3  27 10.5 
CM-P20528 20.5  28 9.2 

Conical inserts

 Product number Basic size(mm)
diameter(FD) height(H) angle(a°)
CM-C7210 7.2  10 60.0 
CM-C8258 8.2  12 58.0 
CM-C9213 9.2  13 56.0 
CM-C10215 10.2  15 58.0 
CM-C11216 11.2  16 55.0 
CM-C12217 12.2  17 55.0 
CM-C13219 13.2  19 55.0 
CM-C14220 14.2  20 55.0 
CM-C15221 15.2  21 55.0 
CM-C16325 16.3  25 45.0 
CM-C183245 18.3  24.5 38.7 
CM-C19225 19.2  25 42.0 
CM-C2124 21.0  24 51.8 

Cone-wedge inserts

 Product number Basic size(mm)
diameter(FD) height(H)
CM-W0915 9.2  15
CM-W1217 12.2  17
CM-W1419 14.2  19
CM-W1624 16.2  24

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info on: Suppliers of Tungsten Carbide inserts - for mining and 'down the hole' (DTH) drilling.

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