Diager Forstner Classic Bit
HIGHLIGHTS: The Diager Forstner Classic Bit is a precision woodworking drill bit designed for producing clean, flat-bottom holes with smooth edges in softwood and hardwood. Its self-centering point, twin center cutting...

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HIGHLIGHTS:
The Diager Forstner Classic Bit is a precision woodworking drill bit designed for producing clean, flat-bottom holes with smooth edges in softwood and hardwood. Its self-centering point, twin center cutting blades, and circumferential cutting edges provide exceptional drilling accuracy with minimal splintering, making it ideal for cabinetry, furniture making, dowel joints, and concealed hardware installation.
Manufactured with a heat-treated body and precision-ground cutting edges, the Forstner Classic Bit delivers smooth cutting action, excellent chip removal, and long-lasting performance in professional woodworking applications.
FEATURES:
- Self-Centering Point for accurate hole positioning.
- 2 Central Cutting Blades for smooth and efficient material removal.
- 2 Circumferential Cutting Edges produce clean and splinter-free holes.
- Straight Shank fits standard drill chucks securely.
- Heat-Treated Construction for increased durability and service life.
- Precision-ground cutting edges for smooth drilling performance.
BENEFITS:
- Produces Perfect Flat-Bottom Holes with clean edges.
- Fast and Accurate Penetration into wood materials.
- Excellent Hole Finish with minimal tear-out.
- Smooth Chip Evacuation reduces cutting resistance.
- Long Service Life through heat-treated construction.
Suitable Materials:
- Exotic Wood
- Laminated Wood
- Hard Wood
- Low Density Wood
| Model | Diameter × Length |
| 933D15 | 15 × 90 mm |
| 933D20 | 20 × 90 mm |
| 933D25 | 25 × 90 mm |
| 933D30 | 30 × 90 mm |
| Brand | Diager |
| Product Type | Forstner Classic Bit |
| Shank Type | Straight Shank |
| Overall Length | 90 mm |
| Tip Design | Self-Centering Point |
| Cutting Design | 2 Central Blades with 2 Circumferential Cutting Edges |
| Construction | Heat-Treated Steel Body |
| Available Sizes | 15 mm, 20 mm, 25 mm, 30 mm |
| Suitable Materials | Exotic Wood, Laminated Wood, Hard Wood, Low Density Wood |
| Applications | Flat-Bottom Holes, Cabinetry, Furniture Making, Joinery, Dowel Holes, Concealed Hinges and Precision Woodworking |
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Only on-stock items are available for same day delivery. To avail of this service, please book before 4pm.
Estimated delivery date is 1 to 3 weeks, the duration depends on how far away you are from Manila.
To find out if there are APCargo or Jades Cargo branches near your address or simply to know more about this option, kindly chat with us over at Facebook Messenger or Viber.
You may discuss this option via our Facebook Messenger or Viber for details.
Tel: (02) 7917 7186
Mobile: 0917 587 7077
Email: info@gigatools.ph
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