Rock Auger Bullet Tooth B47K22 - 22mm Carbide Conical Pick
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Available in Saudi Arabia
STROVOLT Rock Auger Bullet Tooth B47K22 (SKU STROB47K2221)
Round-shank conical pick for rotary piling rigs — rock augers, drilling buckets, core barrels and CFA tooling. Compatible with Bauer, SANY, XCMG, Zoomlion, Casagrande, Soilmec and comparable rigs using standard Ø38/30 mm (B47K-type) holder blocks. Sleeve clip supplied fitted.
Specifications
| SKU | STROB47K2221 |
|---|---|
| Manufacturer part no. | STV-RT50-22 |
| Carbide tip Ø | 22 mm (0.866″) |
| Head / collar Ø | 50 mm (1.969″) |
| Head length | 70 mm (2.756″) |
| Shank Ø | 38 / 30 mm stepped (1.496″ / 1.181″) |
| Overall length | 131 mm (5.157″) |
| Tip material | Cemented tungsten carbide, brazed · carbide weight 118 g · Co 9–11 %, density 14.3–14.6 g/cm³, hardness ≥86 HRA |
| Body material | 42CrMo alloy steel (equiv. EN 42CrMo4 / AISI 4140), forged, quenched & tempered · approx. HRC 43 (42–45) |
| Shank hardness | Approx. HRC 38 (36–40), toughness-optimised |
| Unit weight | 1.2 kg |
| Finish | Anti-corrosion surface treatment |
Applications
Pile foundation drilling in weathered rock, sandstone, shale, cemented gravel and reinforced concrete. Recommended for rock augers, drilling buckets and core barrels. For severely abrasive strata, ask about the clad-tip variant STV-RT55-Z22.