These tungsten carbide button bits are mainly used for roadway excavation, rotary drilling for pile hole, pavement milling. Such as Bob’s bit, Rotary bit, Digger button bit and so on.
Specifications of Tungsten Carbide Button Bits for Engineering Construction:
| Button | Type | Dimensions(mm) | |
| Diameter | Height | ||
 | 1600150WD0A | 16 | 15 |
| 1700155WD0A | 17 | 15.5 | |
| 1800170WD0A | 18 | 17 | |
| 1900175WD0A | 19 | 17.5 | |
| Button | Type | Dimensions(mm) | |
| Diameter | Height | ||
 | 1800270JS0B | 18 | 27 |
| 1900300JS0B | 19 | 30 | |
| 2000300JS0B | 20 | 30 | |
| 2200350JS0B | 22 | 35 | |
| Button | Type | Dimensions(mm) | |
| Diameter | Height | ||
 | 1420200ZD1A | 14.2 | 20 |
| 1640240ZD0A | 16.4 | 24 | |
| 1900250ZD1A | 19 | 25 | |
| 2200260ZS0A | 22 | 26 | |
| Button | Type | Dimensions(mm) | |
| Diameter | Height | ||
 | 1580200QD1A | 15.8 | 20 |
| 1650230QD1A | 16.5 | 23 | |
| 1630240QS0A | 16.3 | 24 | |
| 1850250QS0A | 18.5 | 25 | |
Grade of Tungsten Carbide Button Bits for Engineering Construction:
| Grade | Density(g/cm3) | Hardness(HRA) | T.R.S(Mpa) | Application |
| JZ06 | 14.95 | 89.0 | 2600 | Suitable for mill and plane the concrete road surface. |
| JZ10 | 14.50 | 88.5 | 2700 | Suitable for mounting on hobbing, disc cutter and rotary drilling rig, drilling on medium hard rock formation. |
| JZ11 | 14.45 | 88.0 | 2800 | Suitable for mounting on hobbing, disc cutter and rotary drilling rig to cut hard rock formation. |
| JZ13 | 14.25 | 87.5 | 2900 | Suitable for rotary excavation palm, hob, cutter head, shield, roller press stud Alloy, the drilled rock layer is a hard rock layer |
| JZ16 | 13.95 | 85.5 | 3200 | Suitable for hobbing, disc cutter, shield cutter, HPGR and rotary drilling tools, drilling on ultra hard and complex structure rock formation. |
| JZ11D | 14.45 | 87.5 | 3200 | Special grade for high pressure grinding rolls (HPGR) studs. |
| JZ13D | 14.25 | 87.0 | 3100 | Special grade for high pressure grinding rolls (HPGR) studs. |
| JZ15D | 14.00 | 86.5 | 3100 | Special grade for high pressure grinding rolls (HPGR) studs. |
