Drill Bits Price List Selection Guide | Hebei Wotu Fastener Manufacturing Co., Ltd.
Drill bit pricing depends first on the material being drilled, the hole size, and how long the bit needs to hold its edge in production. A price list is only useful if it separates general-purpose bits from bits intended for harder metals, sheet metal work, pilot holes, or repetitive fastening operations.
If your inquiry is connected to self-drilling screws or metal fastening, confirm whether you need separate drill bits for pre-drilling or a fastener with an integrated drill point. That distinction can change both the product choice and the way the cost should be compared.
Brand: Hengzuan Surface: blue and white zinc plated, optional color zinc plated, black oxide treatment Specifications: in stock ST3.5/ST4.2/ST4.8 mainstream specifications, rod length 16~50mm full size range, supports nonstandard length customization, suitable for drilling steel sheets 2~5mm Packaging: 25kg cartons, full pallets packed on wooden pallets, support neutral packaging, private-label customization
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Brand: Hengzuan Surface: blue and white zinc plated, can be customized color zinc plated, black oxide plated Specifications: Comply with GB/T15856.2-2002 Chinese national standard, in stock ST4.2/ST4.8/ST5.5 full range of specifications, length 13mm~75mm optional, supports customized nonstandard rod lengths; drilling adaptation plate thickness 0.7~6mm Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, customer private-label customization
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Brand: Hengzuan Surface: screw color zinc plated, head color nylon protective cap, multiple colors available Specifications: Chinese national standard ST5.5, ST6.3 mainstream caliber, rod length 25mm~125mm full range of specifications in stock, supports nonstandard length customization, suitable for drilling steel sheet thickness 2~6mm Packaging: 25kg cartons, full pallets packed on wooden pallets, support neutral packaging, private-label customization
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Brand: Hengzuan Surface: Color zinc plated, optional blue-white zinc plated, black oxide treatment Specifications: Chinese national standard ST4.2/ST4.8/ST5.5 specifications, rod length 13~50mm in stock, supports nonstandard length customization Packaging: 25kg export cartons, full wooden pallets wrapped with film, supports neutral packaging, private-label customization
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Brand: Hengzuan Surface: blue and white zinc plated, can be customized color zinc plated, black oxide plated Specifications: in stock 3.5/3.9/4.2/4.8/5.5 mainstream wire diameter, rod length 13mm~75mm full size range, nonstandard length can be customized as needed Packaging: 25kg export cartons, full wooden pallets wrapped with film, supports neutral export packaging, private-label customization
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Brand: Hengzuan Surface: color zinc plated, customized blue-white zinc plated, black oxide Specifications: in stock 3.9/4.2/4.8/5.5 full diameter, length 13mm~75mm full size range, supports customized nonstandard rod lengths Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, customer private-label customization
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Useful drill bit pricing starts with the application: base material, hole size, tool setup, expected usage volume, and whether the hole supports a specific fastener. These details help separate low-cost general bits from products chosen for steadier cutting, longer service life, or compatibility with a fastening process.
| Criterion | What To Check | Why It Matters | Buyer Tip |
|---|---|---|---|
| Bit type and intended material | Confirm whether the price list refers to twist drills, masonry bits, step bits, self-drilling screw points, or another drill-bit style, and match it to steel, wood, concrete, sheet metal, or mixed use. | Different bit designs cut differently and wear at different rates. A low unit price can be poor value if the bit is not suited to the workpiece. | Ask: Which drill bit type is included in this price, and what base material is it intended to drill? |
| Diameter, length, and shank style | Compare prices only for the same diameter, flute length, overall length, and shank type, such as round, hex, SDS, or reduced shank. | Small changes in size or shank design can change both cost and tool compatibility. Mixing sizes in one comparison often hides the real price difference. | Ask for the price list to show diameter, working length, total length, and shank style on each line item. |
| Material grade and surface treatment | Identify whether the bits are carbon steel, HSS, cobalt alloy, carbide-tipped, black oxide, titanium-coated, or another specified construction. | Material and coating affect cutting life, heat resistance, corrosion resistance, and price. The cheapest option may suit occasional use but not repeated production drilling. | Ask: What steel or tip material is used, and is the listed coating decorative, protective, or intended to improve cutting performance? |
| Packaging and order quantity basis | Check whether the listed price is per piece, per set, per box, or per carton, and whether mixed sizes are allowed in the quoted quantity. | A drill bits price list can look attractive until pack quantity, assortment rules, or minimum order quantities are clarified. | Ask for the unit price, pack quantity, minimum order quantity, and whether different sizes can be combined in one order. |
| Application tolerance and replacement planning | For production work, verify expected use conditions such as drilling depth, material thickness, tool speed range, and whether pilot holes or coolant are required. | Drill bit cost is not only the purchase price. Breakage, slow drilling, burrs, and frequent replacement can raise the actual cost per hole. | Ask: Based on my material and hole size, which bit option is the practical choice rather than simply the lowest-priced item? |
The main difference to clarify is whether you are buying drill bits as consumables or trying to avoid a separate drilling step. Standard drill bits add a tool cost and an operation step, but they give more control over hole diameter, depth, and alignment. Self-drilling screws combine drilling and fastening, but they must be matched carefully to the base material, coating requirement, head style, and assembly thickness.
A simple unit price does not show the full cost in use. A cheaper bit that dulls quickly, wanders on entry, or struggles with the workpiece can raise labor time and reject rates. For purchasing, compare the bit type, shank style, coating or surface treatment, packaging quantity, and the application it is meant for before treating two prices as equivalent.
Start with the workpiece, not the price. Wood, plastic, aluminum, carbon steel, stainless steel, and coated sheet require different cutting behavior. If the bit is for pilot holes before screws, specify the screw size, material being joined, and whether the hole is for clearance, tapping, or positioning.
Check the geometry and fit with your equipment. Diameter, overall length, working length, point style, flute design, and shank type all affect performance. A bit that fits a bench drill may not be the right choice for handheld installation, automated assembly, or tight-access fastening work.
Do not compare prices without pack and quality details. Ask whether the quotation is per piece, per set, or per box, and confirm packaging, replacement policy for visible defects, and any marking or labeling needs. For repeat purchasing, it is also worth asking how the supplier keeps size consistency between batches.
Send the practical job details with your inquiry. Include the material to be drilled, hole diameter, drilling depth, tool type, order quantity, and whether the drill bit is being used with separate screws or as part of a self-drilling screw selection. If your project is actually about self-drilling fasteners, ask Hebei Wotu Fastener Manufacturing Co., Ltd. which screw point, head type, coating, and packaging options are suitable for the assembly.
| Criteria | Importance | Description | Example Options |
|---|---|---|---|
| Workpiece material | Usually the first decision factor | The material being drilled affects bit type, cutting behavior, wear rate, and whether a general-purpose item is enough. | A bit used for softwood pilot holes is not selected the same way as one used repeatedly in sheet steel. |
| Separate drilling versus self-drilling fastening | Can change both product choice and process cost | Separate bits give more control over the hole, while self-drilling screws can reduce an operation if they suit the assembly. | A panel installer may compare pre-drilling plus screws with a self-drilling screw that forms its own hole. |
| Geometry and tool fit | Important for accuracy and practical use | Diameter, usable length, overall length, point form, flute design, and shank type determine whether the bit fits the equipment and job position. | A bit for a drill press may not be convenient for handheld fastening in a tight corner. |
| Pack quantity and quotation basis | Essential for price comparison | A price list should state whether pricing is per piece, per set, per box, or another packaging unit. | One quotation may look cheaper until the buyer sees that it contains fewer pieces per box. |
| Expected service life | More important for repeat production than occasional use | The lowest purchase price may not give the lowest operating cost if the bit dulls quickly or causes rejected holes. | For repetitive metal drilling, buyers often compare usable holes and downtime rather than only the initial unit price. |
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Compare prices only after the diameter, working length, shank type, point style, material or coating, and pack quantity are clear. A low unit price may not be comparable if one offer is for loose pieces and another is for boxed sets or a different grade of cutting tool.
Use separate drill bits when you need controlled hole size, accurate positioning, or a prepared pilot hole before fastening. Consider self-drilling screws when the assembly allows drilling and fastening in one operation, but confirm the screw point, head style, coating, and material thickness before switching.
Diameter alone does not define the product. Price can change with the bit material, surface treatment, flute design, length, shank form, packaging, and intended workpiece. The more repetitive or demanding the drilling job is, the more these differences affect total cost.
Not always. A cheaper bit may be acceptable for light, occasional work, but production drilling usually needs more consistent cutting, less wandering, and predictable wear. Buyers should compare cost per usable hole or per shift, not only the first purchase price.
A common mistake is asking only for sizes without explaining the material being drilled and the tool setup. The same size bit can perform differently in wood, aluminum, sheet steel, stainless steel, or coated material, so application details help avoid a quote for the wrong item.
Confirm whether the hole is a clearance hole, pilot hole, tapping hole, or part of a self-drilling screw operation. If the fastening method is not settled, ask whether a separate drill bit and screw combination or a self-drilling fastener is more practical for the assembly.
Send the material to be drilled, required hole diameter or screw size, and estimated quantity. If the inquiry relates to self-drilling screws, also include the head style, coating preference, and assembly materials.
