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HSS Square Hole Drill Bit For Wood
HSS square hole drill bit for wood. True square mortises on drill presses and square-hole machines.
High-Speed Steel (HSS) square drill bits are specialized tools used for creating square holes in wooden materials. Unlike traditional drill bits that produce round holes, these square drill bits are designed to create precise, clean-edged square holes, making them essential for certain woodworking tasks, such as joinery, mortising, and creating square dowel holes.
Design and Construction — a VPOINT drill tool for cabinet drilling, sized for solid wood and similar workpieces. The specification table below lists dimensions; the performance data table gives standard reference speeds and feeds to start with, and the FAQ covers selection, parameters and service. ISO 9001 production, batch-verified, custom sizes from drawings.
Product Description
High-Speed Steel (HSS) square drill bits are specialized tools used for creating square holes in wooden materials. Unlike traditional drill bits that produce round holes, these square drill bits are designed to create precise, clean-edged square holes, making them essential for certain woodworking tasks, such as joinery, mortising, and creating square dowel holes.
HSS drill bits are known for their durability and heat resistance, which make them ideal for drilling through hardwood, softwood, and other dense materials. The square shape of the bit allows for a clean, straight cut, reducing the need for additional finishing or sanding.
- Precision: HSS square drill bits provide high accuracy, making them perfect for intricate woodworking projects.
- Durability: The high-speed steel material ensures that the bit remains sharp and effective over extended use, even when working with tough wood types.
- Efficiency: These bits allow woodworkers to create square holes without needing multiple tools or excessive effort, improving workflow efficiency.
Applications in Woodworking
HSS square drill bits are commonly used in creating mortise and tenon joints, which are vital in traditional woodworking and furniture making. They are also used in crafting wooden frames, doors, and various other wooden structures where square holes are required for joinery.
Design and Construction
The HSS square hole drill bit for wood is a high-speed-steel square-hole system: a hollow square chisel sleeve around a rotating twist drill. Sizes are stated per order (square size and matching bit diameter) as listed in the specifications table.
How It Works
The rotating twist drill bores the round core while the square sleeve reciprocates and chisels the four corners, producing a true square hole for mortise-and-tenon joints — the traditional square-mortise method on drill presses and square-hole machines.
Applications
- Square mortise holes on drill presses
- Mortise-and-tenon joinery
- Furniture frame production
- Square-hole machines
Suitable Materials
- Solid wood
- Hardwood and softwood stock
- Engineered wood
- Timber frames
The square sleeve produces true square corners that round-hole methods cannot.
Material Comparison: High-Speed Steel vs. Tungsten Carbide
This bit is made of high-speed steel (HSS) — the right choice where toughness and low cost matter more than maximum edge life. The figures below are typical industry data showing where HSS and carbide each win.
| Property | High-Speed Steel (This Bit) | Tungsten Carbide |
|---|---|---|
| Hardness | 1,500–2,000 HV | ~850 HV (65 HRC) |
| Hot hardness | Keeps hardness at ~900–1,000 °C | Softens above ~600 °C |
| Edge life in abrasive board | Long baseline life in MDF/particleboard | Shorter — dulled quickly by adhesives and mineral fillers |
| Hole quality over life | Hole diameter holds as the edge wears slowly | Diameter shrinks visibly as the point wears |
| Regrind | 4–6 regrinds typical | 2–3 regrinds, softer edge deforms faster |
| Brittleness | Higher — avoid side loads and impacts | Lower — more forgiving of misuse |
| Suited for | Production drilling in MDF, particleboard, plywood, solid wood | Light-duty and occasional drilling |
Figures are typical published values; actual tool life depends on the workpiece material, feed rate, spindle speed and cooling.
Delivery Scope
Single set (sleeve + drill). Order by the square size and matching bit stated in the specifications table below.
Why Choose VPOINT
- One-year warranty on every cutter — defects in material or workmanship are covered for 12 months from delivery.
- Custom tooling — diameters, shanks, cutting lengths and flute configurations built to your drawing or sample.
- Non-standard fabrication — sizes outside the standard catalogue, including special geometries.
- Resharpening service — cutters return to service after regrinding at a fraction of new-tool cost.
- Factory-direct since 2008 — ISO 9001 manufacturing in Sichuan and Dongguan, China; no trading intermediaries.
Send a drawing, a sample or a worn tool, and our engineering team will quote the exact specification you need.
Precision & Quality Control
Every cutter is inspected before shipment. Shank diameter, cutting-edge diameter, cutting length and overall length are measured against the values listed in the specifications table, and cutting edge runout is verified on the assembled tool.
Tools measuring outside tolerance do not ship. Inspection is performed under our ISO 9001 quality system, with batch records retained for traceability.
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Performance Data
Standard reference values for guidance only — always adjust to machine rigidity, clamping and tool wear, and confirm on the actual workpiece.
| Material | Typical spindle speed | Typical feed | Notes |
|---|---|---|---|
| solid wood | 15,000–20,000 rpm | 4–9 m/min | Grain direction affects finish; climb-cut when possible |
| hardwood | 14,000–18,000 rpm | 3–7 m/min | Lower feed in dense grain |
| softwood | 16,000–20,000 rpm | 5–9 m/min | Watch fuzzing; sharp edges help |
Frequently Asked Questions
Which speed should I start with in solid wood?
＋Start near 15,000–20,000 rpm and peck when chips pack. Reduce the speed in harder sections of the board.
Do I need a pilot or pre-drill with this bit?
＋On laminated and dense boards a light pilot keeps the point from wandering; on soft stock it drills straight from the mark.
What feed keeps holes clean?
＋A steady moderate feed near 4–9 m/min with clear chip ejection; back off if the entry tears.
Where do these reference values come from?
＋They are standard reference ranges for this tool family, compiled from our specification sheets and common workshop practice — always confirm on the actual workpiece.
Sources & standards: ISO 9001 quality management · UNSPSC commodity codes · eClass product classification
Related Search Terms
wood drill bit, boring bit, dowel drill, flute drill bit, through hole drilling wood, blind hole drilling, brad point drill, cabinet hinge drill, square, drill
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