ONISHI MANUFACTURING NO1230 Woodworking Short Bit 23.0mm
| Manufaturer: | ONISHI MANUFACTURING |
| Model: | NO1230 |
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Description
- Ideal for drilling holes in boards and boards.
- For drilling through holes in wood.
- Work material: wood.
- Quantity: 1
- Blade diameter (mm): 23.0
- Groove length (mm): 70
- Total length (mm): 120
- Shank diameter (mm): 10.00 (hexagonal shaft)
- Compatible models: Electric drill
- Material/Finish: Carbon steel (S55C)
- Code number: 808-1328
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Frequently Asked Questions about the 23.0 mm Short Wood Drill Bit ONISHI Manufacturing NO1230
Specifications:
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What are the exact dimensions of the NO1230 bit? The bit has a cutting length of 70 mm, an overall length of 120 mm, and a diameter of 23.0 mm. Its hexagonal shank measures 10.00 mm across flats (6.35 mm hex driver size).
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What material and surface treatment are used? It’s made from high-carbon steel (S55C) with a black oxide finish for corrosion resistance and enhanced durability.
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How many cutting edges does it feature? The bit employs a single-spur, three-cutting-lip design for fast, clean drilling and precise hole walls.
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Origin & Brand
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Who manufactures the NO1230 and where is it made? ONISHI Manufacturing is a Japanese company with over 50 years of experience in woodworking drill bits. The NO1230 is produced to Japanese quality standards, primarily in Kakogawa, Hyogo prefecture, with some units assembled in Biên Hòa, Vietnam.
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What is a “short auger bit”? A short auger bit is optimized for shallow holes—ideal for pilot holes and blind-hole joinery—offering rigidity, reduced vibration, and precise depth control.
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Applications
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What is the NO1230 best used for? It’s perfect for drilling pilot holes for screws, creating precise through-or-blind holes in panels, and joining wood components in cabinetry, furniture, and general carpentry.
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Which materials can it drill? The bit handles solid woods (hard and soft), plywood, laminated boards, and other engineered wood products.
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What tools are compatible with its shank? Its 6.35 mm hex shank fits quick-change chucks on impact drivers, cordless drills, drill-drivers, and drill presses up to Ø21 mm bits.
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Operation & Technique
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What drilling speed should I use? Run at 1,000–1,500 RPM to balance cutting speed and heat control in most hardwoods and plywood.
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How can I prevent tear-out or splintering at the exit?
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Back up the workpiece with scrap wood.
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Slow down as the bit nears breakout.
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Ensure the bit is perpendicular to the surface.
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Maintenance & Care
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How do I clean and store the bit after use? Remove wood chips from the flutes, wipe with a light oil film, and store in a dry case to prevent moisture and impact damage.
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Can I sharpen the NO1230 at home? Yes. Use a fine-grit bench grinder or sharpening stone to reestablish the spur and cutting lips, keeping original cutting angles for best performance.
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Purchase & Pricing
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Where can I buy the NO1230, and how much does it cost? Please contact QTE Technologies
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How do I verify genuine ONISHI bits? Look for ONISHI branding, Japanese manufacturing markings, and buy from QTE Technologies.
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Comparisons & Alternatives
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How does the NO1230 compare to ONISHI’s longer auger bits? The NO1230 is tailored for shallow drilling (≤70 mm). For deeper holes or wood dowel extraction, choose ONISHI’s medium-length (NP series) or long-length (KM series) auger bits.
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What if I need a different hole diameter or depth? ONISHI offers a full range of short, standard, and long auger bits in diameters from 4 mm up to 80 mm, allowing selection by hole size and required depth.
