WS39 casing tooth
JM cutter tooth
B47K22 bullet toothCutting tools for rotary drilling
Bullet teeth & holders
Compare B47, C and SM teeth, body protection and holder dimensions. Confirm the tooth, holder and retainer together for your tool.
These are round-shank cutting teeth for bored-piling tools. For rotating cone cutters, see our piling roller bits.
Choose your bullet teeth.
Browse B47, C and SM models. Select up to three to compare dimensions and prepare your enquiry.
B47 series
5 models · tip diameters Ø19–28 mm
B47K19
Ø19 mmØ50 mm70 mm upper + 60 mm lower
Plain shoulder.
- Confirm the tooth, holder and retainer against the selected drawings.
B47K22
Carbide insert:
Ø22 mmSteel body:
Ø50 mm130.1 mm overall
27 mm insert-section height shown.
- Confirm the tooth, holder and retainer against the selected drawings.
B47K22H
Carbide insert:
Ø22 mmSteel body:
Ø50 mm130.5 mm overall
30 mm insert-section height shown.
- Confirm the tooth, holder and retainer against the selected drawings.
B47K26D
Ø26 mmØ60 mm75 mm upper + 60 mm lower
Wider body with protection buttons.
- Confirm the tooth, holder and retainer against the selected drawings.
B47K28D
Ø28 mmØ60 mm76 mm upper + 60 mm lower
Wider body with protection buttons.
- Confirm the tooth, holder and retainer against the selected drawings.
Full B47 dimensions & drawings
| Reference | Main insert diameter | Body diameter | Height shown | Visible design distinction |
|---|---|---|---|---|
| B47K19 | 19 | 50 | 70 upper + 60 lower | Smaller main insert; plain shoulder |
| B47K22 | 22 | 50 | 130.1 overall | 27 mm insert section in the catalogue |
| B47K22H | 22 | 50 | 130.5 overall | 30 mm insert section; compare the complete drawing |
| B47K26D | 26 | 60 | 75 upper + 60 lower | Body-protection buttons around the main insert |
| B47K28D | 28 | 60 | 76 upper + 60 lower | Larger main insert; body-protection buttons |
The drawings show Ø30 / Ø38 mm lower-interface callouts. Similar dimensions alone do not confirm holder, retainer or working-projection compatibility.
Nominal catalogue dimensions in mm. Confirm the complete configuration against the order drawing.
C & SM series
5 models · compare the body, collar and height in each drawing.
C21
Ø15.87 mmØ25.4 mm44 + 40 mm
C series · Ø15.87 mm carbide tip.
- Confirm the tooth, holder and retainer against the selected drawings.
C23
Ø17 mmØ25.4 mm44 + 40 mm
C series · Ø17 mm carbide tip.
- Confirm the tooth, holder and retainer against the selected drawings.
C31HD
Ø12 mmØ33 mm62 + 56.50 mm
C series · taller, Ø33 mm body.
- Confirm the tooth, holder and retainer against the selected drawings.
HSM06
Ø12 mmØ38 mm87 mm
SM series · 87 mm overall height.
- Confirm the tooth, holder and retainer against the selected drawings.
HSM09
Ø16 mmØ38 mm84 mm
SM series · 84 mm overall height.
- Confirm the tooth, holder and retainer against the selected drawings.
Bullet-teeth production
The carbide tip, brazed joint and steel body each need attention. Confirm the body treatment and protection coverage for the selected version.
During a trial, record body wear, tip condition, tooth rotation and retention at the same inspection intervals.
Explore manufacturing & QCChoose the holder separately
Compare the holder drawing with the selected tooth. Confirm bore steps, seating length and retainer engagement before ordering.
C30 holder
C30 holder. Confirm the mating tooth and dimensions from the drawing.
Request this configurationB47 holder dimensions
| Holder | Height | Outside diameter | Bore callouts | Visible distinction |
|---|---|---|---|---|
| B43H | 65 mm | Block-type | 38.2 / 30.2 mm | Angled welding block |
| BHR78 | 95 mm | 78 mm | 38.2 / 30.2 mm | Rounded body |
| BHR78T | 95 mm | 78 mm | 38.2 / 30.2 mm | Additional external buttons |
| BHR68 | 95 mm | 68 mm | 38.2 / 30.2 mm | Narrower external body |
A shared bore diameter or similar outer shape does not confirm interchangeability.
Three ways to protect the body
Compare the protection around the supporting steel, separately from the main cutting tip.
Laser-fused protection
A fused protection layer around the shoulder below the main tip.
Hard-facing
A deposited wear-resistant band around the tooth shoulder.
Carbide buttons
Additional carbide buttons around the body, separate from the main cutting tip.
Range-level examples. Confirm the protection option and coverage for the selected tooth; these photographs do not identify a specific B47 model.
Field check: B47K22 in Guangdong
B47K22 barrel and bucket · 1,200 mm pile
The crew inspected the lifted tool, cleared packed cuttings and reviewed the recovered ground before switching to direct bucket work. The report records tooth-rotation checks and the change in working method.
Read the field reportThe reported progress after the method change is not a measured gain in B47K22 tooth life.
Tell us what you need to replace
List each required tooth, holder and retainer reference with its quantity and the delivery country. If references are unknown, send photos or drawings of the installed set. Include tool and ground details and identify any existing parts you plan to reuse.
Tooth, holder & retainer ordering checksRequested combinations are checked against the drawing before confirmation.