38 mm button drill bit
BAUMANN BAU38007D | Tungsten carbide · Knock-off type

| Pos. | Part number | Description | Diameter | Pack qty. | Documentation |
|---|---|---|---|---|---|
| 01 | BAU38007D | Tungsten carbide knock-off button bit | 38 mm | 20 units | View specifications → |
Product overview
A 38 mm tungsten carbide knock-off button bit for demanding drilling environments.
The BAUMANN BAU38007D combines a heat-treated alloy steel body, tungsten carbide buttons, semi-ballistic front geometry and dual flushing holes to support penetration, debris removal and performance in abrasive formations.
Designed for wear resistance and gauge retention.
Alloy steel construction for strength and durability.
Supports debris removal at the cutting face.
Designed to support efficient rock penetration.
Technical specifications
| Part number | BAU38007D |
|---|---|
| Diameter | 38 mm |
| Bit type | Knock-off button bit |
| Button configuration | 7 buttons · 4 gauge + 3 front (reference drawing) |
| Button shape | Domed / semi-ballistic front |
| Button material | Tungsten carbide |
| Body material | Heat-treated alloy steel |
| Weight | Approximately 0.45 kg |
| Gauge angle | 35 degrees |
| Flushing holes | 2 |
| Rod compatibility stated in v10 | T38 Thread / 38 mm rods — confirm connection before ordering |
Connection check: the source describes a knock-off bit and also lists T38 thread compatibility. Confirm the actual rod connection with the distributor before selecting this part.
Product photographs
Product and carton photographs supplied in the v10 specification for identification and procurement review.

Technical dimension drawings

Reference drawing for product communication. Confirm final dimensions and CAD tolerances against production drawings before manufacturing or tender submission.
Bit-face diagram

The source illustration identifies the principal bit-face elements. Use the specified total of two flushing holes; verify detailed geometry against the production drawing.
Performance & applications
Intended applications include mining, quarrying, tunnelling, construction and water well drilling.
Granite, basalt, quartzite, dolomite, hard limestone and iron ore formations.
80–250 MPa UCS, subject to drilling system, operator control and site conditions.
The specification positions the bit for abrasive, high-strength formations. Penetration, wear life and drilling performance depend on the operating conditions; comparative performance claims in the source are not accompanied by test data.
Manufacturing & quality
The source specifies alloy steel and tungsten carbide materials, with CNC machining, heat treatment, button fitment and final inspection.
- Material selection
- CNC machining
- Heat treatment
- Button fitment
- Final inspection
Traceability information
Request the product code, size, batch, inspection date and carton quantity for procurement records.
The document recommends alignment with ISO 9001:2015, ISO 14001 and ISO 45001. It does not provide certification evidence. Request current supplier documentation where required.
Packaging specification
20 units per industrial carton, marked BAU38007D / 38 mm for storage, transport and site allocation.
A 20-piece carry case option is described in the source. Confirm availability with the distributor.

Distributor support
Contact WIVIEW Engineering Supplies for regional availability, distributor enquiries, technical documentation and field application support.
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Distributor enquiry →Procurement summary
BAUMANN BAU38007D: 38 mm knock-off button drill bit with a tungsten carbide cutting system, 7-button configuration, 35-degree gauge angle and dual flushing holes. Approximate weight: 0.45 kg. Standard pack: 20 units.
Confirm rod connection, quantity, batch documentation, availability and delivery requirements with the distributor.
↓ Download the supplied enterprise specification v10 (.docx)