Machine Taps for Metalworking & CNC Threading
Straight-flute, spiral flute, and spiral pointed tap options for internal thread cutting in metalworking, machine tapping, and CNC production environments.
BOAN Tools supplies tap series products in HSS-M2 and HSS-M35 material options, with coating options available for specified requirements. The cataloged tap range includes straight-flute taps with reinforced shank, spiral fluted taps with straight shank, and spiral pointed taps with straight shank for different hole types, chip-control needs, and threading conditions.
Machine Tap Range by Hole Type and Chip Direction
Machine tap selection should begin with the thread size, hole type, work material, machine condition, and chip evacuation direction. BOAN's catalog separates straight-flute taps, spiral flute taps, and spiral pointed taps so buyers can define the correct threading tool before requesting a quotation.
Straight-Flute Taps
With reinforced shank for manual and machine tapping.
Spiral Flute Taps
With straight shank, ideal for blind-hole threading.
Spiral Pointed Taps
With straight shank, designed for through holes.
| Tap family | BOAN cataloged scope | Best-fit selection direction |
|---|---|---|
| Straight-flute taps with reinforced shank | GB(ISO) taps with reinforced shank; conform to GB/T3464.1-94, equal to ISO527-1975; M3-M52 range shown | Manual and machine tapping; through holes or blind holes when chip control and tap form are matched to the workpiece |
| Spiral fluted taps with straight shank | Conform to GB/T3464.1-94, equal to ISO527-1975; M3-M24 range shown | Machine tapping where chip evacuation back toward the hole entry is needed, commonly useful for blind-hole threading |
| Spiral pointed taps with straight shank | Conform to GB/T3464.1-94, equal to ISO529-1975; M3-M24 range shown | Machine tapping for through holes where chips can be driven forward through the workpiece |
| Material options | HSS-M2 and HSS-M35 shown in BOAN catalog | Helps buyers discuss general and higher-demand material conditions without assuming a universal performance result |
| Coating options | Coatings available for specified requirements on spiral flute and spiral pointed tap pages | Use when the buyer has a defined material, machine, lubrication, and threading condition |
Key Specifications Buyers Should Confirm
Review the cataloged ranges to align your threading requirements before placing a bulk order or requesting technical samples.
| Specification area | BOAN cataloged range or option | Buyer implication |
|---|---|---|
| Straight-flute tap thread sizes | M3 to M52 shown | Covers small through larger metric threading requirements in the cataloged reinforced-shank tap series |
| Straight-flute tap pitch range | 0.5 mm to 5.0 mm shown | Helps buyers align the tap with the required metric thread |
| Straight-flute tap material | HSS-M2 and HSS-M35 shown | Supports material and application discussion before sample or bulk ordering |
| Straight-flute tap use | For manual and machine; for through holes or blind holes | Useful when the buyer needs one cataloged tap family for broader threading discussions |
| Spiral flute tap thread sizes | M3 to M24 shown | Suitable for machine-tapping programs within the cataloged size range |
| Spiral flute tap use | For machine; good cutting action and high speeding stated in BOAN catalog | Use for machine-threading inquiries where chip evacuation direction and hole type must be confirmed |
| Spiral pointed tap thread sizes | M3 to M24 shown | Suitable for machine-tapping programs within the cataloged size range |
| Spiral pointed tap use | For machine; for through holes; good cutting action and high speeding stated in BOAN catalog | Helps buyers separate through-hole tapping from blind-hole tapping |
| Tap limits | H1, H2, H3 shown | Allows buyers to discuss thread tolerance expectations during specification review |
| Pre-drill hole references | Hole diameters shown across tap tables | Helps buyers check tap drill size planning before production |
Machine Tap Sourcing Problems BOAN Helps Clarify
Selecting the right threading tool requires more than just knowing the metric thread size. Chip evacuation, hole type, and machine rigidity play a critical role in tap performance and longevity.
The buyer asks for machine taps without naming the hole type
Practical risk: Blind-hole and through-hole tapping can require different chip-control behavior
BOAN product response: BOAN's catalog separates straight-flute, spiral flute, and spiral pointed tap families
The application involves CNC tapping
Practical risk: A tap chosen only by thread size may not suit the machine, hole depth, work material, or chip evacuation direction
BOAN product response: Use the machine tap type, thread size, pitch, material option, coating request, and tap limit together
The buyer asks for stainless steel threading
Practical risk: Stainless steel selection depends on grade, hole type, cutting fluid, machine rigidity, speed, and tap material
BOAN product response: BOAN shows HSS-M35 and coating options for specified requirements; confirm the exact stainless steel and process before quoting
The inquiry compares brands or prices first
Practical risk: A low price or brand label does not define geometry, material, coating, tolerance, thread size, or production condition
BOAN product response: Compare tap type, standard, material, size, hole type, and sample validation instead of unsupported rankings
The buyer requests spiral flute taps without defining blind or through holes
Practical risk: Spiral flute and spiral pointed taps solve different chip evacuation problems
BOAN product response: Use spiral flute taps for upward chip evacuation needs and spiral pointed taps for through-hole chip direction when applicable
Why Buyers Source Machine Taps from BOAN
Factory-direct clarity and technical transparency for B2B procurement and tooling programs.
Clear tap-family separation
BOAN's catalog gives buyers distinct starting points for straight-flute taps, spiral flute taps, and spiral pointed taps. This helps procurement teams avoid treating all machine taps as the same threading tool.
Visible metric specification range
The straight-flute reinforced-shank tap series shows M3-M52, while the spiral flute and spiral pointed tap pages show M3-M24. Pitch, total length, thread length, shank diameter, square size, hole diameter, and tap limit fields are visible for specification review.
Material and coating discussion
BOAN shows HSS-M2 and HSS-M35 material options, with coatings available for specified requirements on spiral flute and spiral pointed tap pages. Buyers can use this information to discuss steel, alloy steel, carbon steel, stainless steel, and other material conditions without relying on generic “best tap” claims.
Supplier evaluation support
BOAN provides company-level materials showing production workshops, CNC workshop, grinding workshop, rolling workshop, testing equipment, and qualification documents. Use these as supplier evaluation signals while keeping final tap selection tied to thread size, hole type, material, machine condition, cutting fluid, and sample review.
Application and Selection Guide
Match your specific threading environment and operational challenges with the appropriate BOAN tap series.
General metalworking
Selection direction: Confirm thread size, pitch, hole type, work material, tap limit, and machine condition
CNC machine tapping
Selection direction: Confirm machine rigidity, holder, speed, lubrication, hole depth, and chip evacuation direction
Blind-hole threading
Selection direction: Chips need space or a path out of the hole; chip packing can cause threading failure
Through-hole threading
Selection direction: Chips can be directed forward through the open side of the workpiece
Stainless steel threading
Selection direction: Confirm stainless grade, hardness, hole depth, cutting fluid, coating need, and sample validation plan
Industrial brand comparison
Selection direction: Compare geometry, material, coating, thread standard, tolerance, hole type, technical support, and sample results
Online or US sourcing
Selection direction: Location and price alone do not determine technical fit
What are the different types of machine taps?
Common machine tap choices include straight-flute taps, spiral flute taps, and spiral pointed taps. Straight-flute taps are a general tap form, spiral flute taps are commonly selected when chips need to evacuate back toward the hole entry, and spiral pointed taps are commonly selected for through-hole tapping where chips can move forward.
BOAN's cataloged tap series includes straight-flute taps with reinforced shank, spiral fluted taps with straight shank, and spiral pointed taps with straight shank. The page should guide buyers by hole type and chip direction before moving to thread size and material.
How do I choose the right machine tap for metalworking?
Start with the thread specification: metric size, pitch, tap limit, and pre-drill hole. Then confirm whether the hole is blind or through, the work material, machine type, cutting fluid, and whether coating is required.
BOAN's tables show M, P, L, Lc, d, k, hole diameter, and tap limit fields. These fields should remain visible because they help buyers prepare a technical inquiry instead of asking only for a tap name.
How should I select a machine tap for stainless steel?
Stainless steel tapping should not be selected by a generic “best tap” claim. Buyers need to confirm the stainless grade, hardness, hole type, machine rigidity, cutting fluid, tapping depth, thread tolerance, and whether coating is required.
BOAN's catalog shows HSS-M35 as an available material option and coating options available for specified requirements on spiral flute and spiral pointed tap pages. Use these facts as a starting point for inquiry, then confirm the actual workpiece and sample validation conditions.
When should I use spiral flute machine taps?
Spiral flute taps are commonly used when chip evacuation back toward the entry side is helpful, especially in blind-hole threading. They can help keep chips from packing at the bottom of a closed hole when the setup and material are suitable.
BOAN's spiral fluted taps with straight shank are shown for machine use, with M3-M24 sizes and HSS-M2 / HSS-M35 material options. Buyers should provide hole depth, material, and cutting-fluid information before ordering.
When should I use spiral pointed taps?
Spiral pointed taps are commonly used for through-hole threading because the point geometry helps direct chips forward through the workpiece. This makes the hole type one of the most important selection details.
BOAN's spiral pointed taps with straight shank are shown for machine use and through holes, with M3-M24 sizes and HSS-M2 / HSS-M35 material options. Keep them separate from blind-hole spiral flute tap inquiries.
What should CNC buyers compare when evaluating machine taps?
CNC buyers should compare tap type, thread size, pitch, material, coating, tap limit, shank dimensions, square size, hole diameter, hole depth, chip evacuation direction, machine rigidity, coolant condition, and sample performance under the actual process.
A manufacturer page should make those comparison points visible. BOAN's tap tables provide a specification structure that supports this review before a buyer requests samples or bulk supply.
How should buyers compare prices for spiral flute taps?
Price comparison is only useful after the technical scope is clear. A spiral flute tap quotation should state thread size, pitch, material, coating, hole type, tap limit, quantity, packaging, and intended work material.
If those details are missing, two spiral flute tap prices may not represent the same product. BOAN's inquiry path should help buyers submit the technical details needed for a comparable quote.
Manufacturing, Qualification, and Inspection Context
BOAN Tools is located in Danyang, Jiangsu Province, in the Yangtze Delta region. The company profile states that BOAN was set up in 1998 and specializes in high-speed steel twist drills, masonry drills, woodworking drills, and other cutting tools.
For machine tap buyers, supplier evaluation should cover both threading-tool specifications and manufacturing context. BOAN's company materials show production workshops, CNC workshop, grinding workshop, rolling workshop, testing equipment, and qualification documents. These materials help procurement teams understand the supplier behind the tap series while final product selection remains based on thread size, pitch, hole type, material, coating requirement, tap limit, and sample review.
Company-level credentials include ISO 9001 management-system certification and third-party social responsibility or qualification materials referenced by BOAN.
Verified factory capabilities supporting bulk metric threading requirements.
Related Product Paths
Request a Machine Tap Quotation
Send the basic threading requirements so BOAN can review the right tap type, thread specification, material option, and packaging direction.
Useful details include: tap type, thread size, pitch, hole type, hole depth, workpiece material, stainless steel grade if applicable, machine type, coating requirement, tap limit, quantity, packaging format, and destination market.
grace@boantools.com.cn
+86 15951803296
Huqiao Zhangxiang Village, Development Zone, Danyang City, Zhenjiang City, Jiangsu Province, P.R.China