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Brad-point tips that center instantly and cut clean, splinter-free holes in wood. The full matrix spans 3 mm to 32 mm with flute and shank dimensions listed below — choose the exact size for doweling, joinery and precision wood boring. Factory-direct from a 20-year precision-tools manufacturer with ISO 9001 / 14001 / 45001 triple-system certification.
| Φd (inch) | Φd (mm) | L1 (mm) | L2 (mm) | L3 (mm) | D1 (mm) |
| - | 3 | 60 | 32 | - | - |
| - | 3.5 | 70 | 38 | - | - |
| - | 4 | 75 | 43 | - | - |
| - | 4.5 | 80 | 45 | - | - |
| - | 5 | 85 | 51 | - | - |
| - | 5.5 | 92 | 54 | - | - |
| - | 6 | 92 | 54 | - | - |
| - | 6.5 | 100 | 60 | - | - |
| - | 7 | 100 | 60 | - | - |
| - | 7.5 | 105 | 60 | - | - |
| - | 8 | 115 | 71 | - | - |
| - | 8.5 | 115 | 71 | - | - |
| - | 9 | 115 | 71 | - | - |
| - | 9.5 | 115 | 85 | - | - |
| - | 10 | 120 | 82 | - | - |
| - | 10.5 | 130 | 82 | - | - |
| - | 11 | 140 | 90 | - | - |
| - | 11.5 | 140 | 90 | - | - |
| - | 12 | 140 | 90 | - | - |
| - | 12.5 | 150 | 92 | 20 | 12 |
| - | 13 | 150 | 95 | 20 | 12 |
| - | 13.5 | 150 | 92 | 20 | 12 |
| - | 14 | 150 | 95 | 20 | 12 |
| - | 14.5 | 160 | 100 | 20 | 12 |
| - | 15 | 160 | 100 | 20 | 12 |
| - | 15.5 | 160 | 100 | 20 | 12 |
| - | 16 | 160 | 100 | 20 | 12 |
| - | 16.5 | 170 | 115 | 20 | 12 |
| - | 18 | 170 | 115 | 20 | 12 |
| - | 18.5 | 170 | 115 | 20 | 12 |
| - | 20 | 180 | 130 | 20 | 12 |
| - | 22 | 200 | 150 | 30 | 20 |
| - | 24 | 200 | 150 | 30 | 20 |
| - | 26 | 250 | 170 | 30 | 20 |
| - | 28 | 200 | 170 | 30 | 20 |
| - | 30 | 260 | 180 | 30 | 20 |
| - | 32 | 280 | 195 | 30 | 20 |
Produced in an ISO 9001 / 14001 / 45001 triple-certified facility — every drill is inspected before packing.
The brad point centers on contact and the spurs shear the wood fibers, giving a cleaner hole with less tear-out than a standard twist drill.
Yes — precise centering and clean walls make them ideal for dowel and joinery holes.
Yes — custom branding, packaging and bulk size-assortment programs are available.
Email [email protected] or message us on WhatsApp for wholesale pricing, samples and lead times.
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