Best Bottoming Spiral Flute Taps in 2026

Used to make new threads or re-thread damaged and/or jammed threads

High Speed Steel Hand Taps come in three styles: Taper Style: Starts the thread square with the workpiece. Plug Style: Generally used in thru holes. Bottom Style: Generate the thread to the bottom of the hole.

High speed steel hand taps are the most versatile taps for hand use, or for tapping under power

- These taps are made from high speed steel 6542 and surface is coated with titanium for high hardness and rust resistance.

- There are total 9 pieces of taps in different sizes from M2 to M12 that you can use for tapping various threads.

- Taps are designed with spiral flutes is conducive to remove crumbs, not easily broken tap.

5 Flute. Left-Hand Spiral with Right-Hand Cut

HSS reamer to align existing hole prior to rivet or bolt installation.

The point is tapered to allow entry into overlapping holes.

Made of high speed steel with high wear and heat resistant, durable and has long service life

Standard metric thread design, clear and tidy, no burr, provide rapid chip removal for efficient threading

These micro taps mainly used for clocks and watches, and low hardness of wood and soft metal hole processing

Perfect for cutting and renewing external and internal threads to exact standards. 9 Different Sizes: M2 M2.5 M3 M4 M5 M6 M8 M10 M12

Designed to cut threads for standard-sized screws, clear and tidy, no burr, provide rapid chip removal for efficient threading.

Spiral Tap the crumbs into a spiral up chip evacuation, it is more suitable for the processing of blind holes and not easily broken tap.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge

Round shanks allow use with a wide variety of toolholding systems

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge

Round shanks allow use with a wide variety of toolholding systems

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge

Round shanks allow use with a wide variety of toolholding systems

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Titanium nitride coatings add a hard layer of gold-colored ceramic to the surface that extends tool life and permits faster cutting speeds than uncoated tools

Round shanks allow use with a wide variety of toolholding systems

{Good Quality Material}The thread tap is made of HSS 6542, more hardness and duralble.The surface treatment is titanium plating，it can protect the tap from corrosion and make the service life longer.

{Great Machinability} It can be tapped to the bottom of the blind hole, and the chip removal performance is good .

{Specifications}001: 3mm*0.5mm ,002: 4mm*0.7mm ,003: 5mm*0.8mm ,004: 6mm*1mm ,005: 8mm*1.25 mm.

Tap Size: M6 x 1.0 thread, H2 tolerance. Spiral flute design, upward chip removal. Right hand thread cutting, clear threads without burrs, fast tapping with accuracy.

Material and Finish: High-speed steel tool is with high hardness and toughness for wear resistance, good for general purpose applications. Features nitriding coated surface for rust prevention and long service life.

Applications: Suitable for processing blind holes and sticky materials. Great for drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.

Tap Size: M8 x 1.25 thread, H2 tolerance. Spiral flute design, upward chip removal. Right hand thread cutting, clear threads without burrs, fast tapping with accuracy.

Material and Finish: High-speed steel tool is with high hardness and toughness for wear resistance, good for general purpose applications. Features nitriding coated surface for rust prevention and long service life.

Applications: Suitable for processing blind holes and sticky materials. Great for drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.

Made from HSS6542, coated with titanium, high hardness and rust resistance, long service life.

Tap Size: M2*0.4, M2.5*0.45, M3*0.5, M4*0.7, M5*0.8, M6*1, M8*1.25, M10*1.5, M12*1.75.

Spiral flutes, good chip removal effect, can tap to the bottom of the blind hole.

Tap and Drill Bit: Tap thread size: M5 x 0.8, drill bit diameter: 4.2mm / 0.17". Cobalt high speed steel tool features high hardness (HRC65-66) and high red hardness, high wear resistance.

Spiral Flute Tap: Spiral flute design, upward chip removal, right hand thread cutting, fast tapping with accuracy. Suitable for processing blind holes and sticky materials, and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.

Twist Drill Bit: Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches. Chips are not easy to stick to the tool.

Spiral Flute Taps: Thread Size: 3/8-24 UNF; Tolerance Grade: 2B; Square End Size: 6.2mm / 0.24". Spiral flute design, upward chip removal. Right hand thread cutting, clear threads, fast tapping with accuracy.

High-speed steel tool: High speed steel tool has high hardness and toughness, heat resistance and wear resistance. Features the base substrate without any coatings. Fit for most general purpose thread tapping.

Wide Applications: Suitable for processing blind holes and sticky materials. For drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min. The torque caused by too fast feed speed is too large, which can easily cause the tap to break.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Titanium nitride coatings add a hard layer of gold-colored ceramic to the surface that extends tool life and permits faster cutting speeds than uncoated tools

Round shanks allow use with a wide variety of toolholding systems

Tap Size: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25. Spiral flute design, upward chip removal. Right hand thread cutting, clear threads without burrs, fast tapping with accuracy.

Material & Coating: High-speed steel taps features high hardness and toughness, good for general purpose applications. Titanium coating is for capability, durability, wear-resistance, and long service life.

Applications: Suitable for processing blind holes and sticky materials. Suitable for drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Titanium nitride coatings add a hard layer of gold-colored ceramic to the surface that extends tool life and permits faster cutting speeds than uncoated tools

Round shanks allow use with a wide variety of toolholding systems

Long durability, good wear resistance, high cost performance and practicality.

Pat the debris into a spiral shape to discharge the chips upwards, which is more fit for processing into blind holes and viscous material processing.

Compact size, lightweight and portable, easy to carry and convenient for using.

Tap Size: 3/8"-16 BSW thread, H2 tolerance. Spiral flute design, upward chip removal. Right hand thread cutting, clear threads without burrs, fast tapping with accuracy.

Material and Finish: M35 cobalt high-speed steel tool (5% Co) is with high hardness (up to around 67HRC) and toughness for wear resistance. Features just the base substrate without any additional coatings, great for wide ranges of applications.

Applications: Suitable for processing blind holes and sticky materials. Great for drilling and tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.

HSS Material - Made of high-speed steel with Titanium coating, this tap is wear-resistant and durable, improving wear and fusion resistance, long service life.

H2 Tolerance - The H2 tolerance ensures precise threading and eliminates the risk of over-tapping, making it ideal for both beginners and professionals. Used for drilling and tapping stainless steel (below 30HRC), aluminum, die steel, ordinary steel, non-ferrous metals, hard plastics, etc.

Spiral Point Design - The spiral point design allows for efficient chip evacuation and minimizes the risk of chip buildup, ensuring a smooth threading experience.

Pat the debris into a spiral shape to discharge the chips upwards, which is more fit for processing into blind holes and viscous material processing.

Applicable to processing stainless steel, steel plate, copper, MK80 alloy steel, die steel, iron alloy and other metals.

Cobalt-containing 5% cutting edges have high strength, and cobalt-containing high-speed steel can significantly improve the wear resistance and cutting performance.

Thread Size: M10 x 1.25mm. High-speed steel metric taps are with high hardness and toughness for wear resistance, well suited for general purpose applications.

The thread tap can make new threads or re-thread damaged or jammed threads. Uncoated taps feature just the base substrate without any additional coatings, and fit a wide range of applications.

Suitable for processing through holes or shallow holes on most metals, iron plate, copper, zinc, alloy steel, abrasive steel, A3 steel, stainless steel, etc.. Add appropriate tapping oil for higher quality internal threads and more durable taps.