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Spiral flute taps are essential for creating clean, precise internal threads in various materials. Their unique design helps eject chips efficiently, reducing the risk of breakage and improving thread quality. Selecting the right tap ensures durability, accuracy, and a smoother machining process for your projects.
Spiral Flute Tap: Thread size: 1/4-20 UNC; thread length: 23mm / 0.91", overall length: 71mm / 2.80", square shank side width: 5mm / 0.20". 2B tolerance, right-hand thread cutting, with clean threads and sharp-cut cutting edges for fast and accurate...
Notable Features: Spiral flute design prevents breakage, and enables more efficient tapping. The spiral tip of the tap helps guide it into the hole, reducing the torque required to turn it, and the flutes easily remove extra from the hole and machine.
Wide Applications: Spiral flute thread taps are suitable for machining blind or deep holes and sticky materials, and can be used for tapping stainless steel, aluminum, cast iron, alloy steel, ordinary steel, non-ferrous metals, hard plastics, etc...
Strong & Durable: The taps are made of M2 high-speed steel (HSS6542) and run at high speeds to quickly and efficiently process threads. It has high hardness, toughness and good wear resistance, good cutting performance, and can produce clean and precise...
Warm Tip: It is recommended to use machine taps with tap chucks with overload protection. It is not recommended for manual use and electric drill tapping to avoid damage caused by uneven force. The tapping angle should be 90 degrees vertical. The harder...
Spiral Flute Tap: Thread size: 3/8-16 UNC (right hand), accuracy: H2; thread length: 36mm / 1.42"; total length: 80mm / 3.15"; square shank width: 6.2mm / 0.24". Spiral flutes are fully ground to provide upward chip removal, with clear threads and sharp...
6542 (M2) High Speed Steel: Run at high speeds and generate threads quickly and efficiently, offering high hardness, wear resistance, and good toughness. Titanium coating provides excellent corrosion resistance, and reduces the coefficient of friction for...
Applications: Thread taps are great for processing blind holes and sticky materials. Used for drilling and tapping stainless steel, aluminum, alloy steel, ordinary steel, cast iron, non-ferrous metals, hard plastics, etc. Flutes on the screw tap help to...
Machine Tap: Suitable for drill presses, tapping machines, CNC and milling machines. Used with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap chucks with overload protection. Not recommended...
Tips: Tapping angle should be 90 degrees vertical and stable. The tapping depth should not exceed 1.5 times the diameter of the tap. Control the speed according to the material hardness. The higher the hardness, the slower the speed.
6-Piece SAE Tap Set: Includes the most commonly used sizes: 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC, and 1/4-20NC, covering a wide range of threading needs.
Spiral Flute Taps: The spiral flute design ensures smooth chip removal, preventing breakage and allowing for more efficient tapping, especially in blind holes and softer materials.
Precise Threading: Precision-engineered for accurate and consistent thread cutting, ensuring a perfect fit and strong, reliable screw connections every time.
High Quality: Built from premium HSS material with blue coating, these thread taps are engineered for superior hardness, wear resistance, and durability, ensuring long-lasting performance.
Versatile Application: Suitable for use with tapping machines, drill presses, or hand drills for precision threading in a variety of materials, such as soft metal, wood, plastic and other machineable materials.
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.
Made from high speed steel 6542 with titanium coating for high wear and heat resistant, durable and has long service life.
High speed steel 6542 material suitable for drilling tapping cutting on light metal aluminum board, iron plate, ordinary stainless steel and other hard materials. (Not HSS4241 Material)
Spiral Flute Tap: Thread size: 1/2-13 UNC (right hand), accuracy: H2; thread length: 32mm / 1.26"; total length: 85mm / 3.35"; square shank width: 7mm / 0.28". Spiral flutes are fully ground to provide upward chip removal, with clear threads and sharp...
6542 (M2) High Speed Steel: Run at high speeds and generate threads quickly and efficiently, offering high hardness, wear resistance, and good toughness. Titanium coating provides excellent corrosion resistance, and reduces the coefficient of friction for...
Applications: Thread taps are great for processing blind holes and sticky materials. Used for drilling and tapping stainless steel, aluminum, alloy steel, ordinary steel, cast iron, non-ferrous metals, hard plastics, etc. Flutes on the screw tap help to...
Machine Tap: Suitable for drill presses, tapping machines, CNC and milling machines. Used with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap chucks with overload protection. Not recommended...
Tips: Tapping angle should be 90 degrees vertical and stable. The tapping depth should not exceed 1.5 times the diameter of the tap. Control the speed according to the material hardness. The higher the hardness, the slower the speed.
Spiral Flute Tap: Thread size: 1/4-20 UNC (right hand), accuracy: H2; thread length: 31mm / 1.22"; total length: 70mm / 2.76"; square shank width: 5mm / 0.2". Spiral flutes are fully ground to provide upward chip removal, with clear threads and sharp...
6542 (M2) High Speed Steel: Run at high speeds and generate threads quickly and efficiently, offering high hardness, wear resistance, and good toughness. Titanium coating provides excellent corrosion resistance, and reduces the coefficient of friction for...
Applications: Thread taps are great for processing blind holes and sticky materials. Used for drilling and tapping stainless steel, aluminum, alloy steel, ordinary steel, cast iron, non-ferrous metals, hard plastics, etc. Flutes on the screw tap help to...
Machine Tap: Suitable for drill presses, tapping machines, CNC and milling machines. Used with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap chucks with overload protection. Not recommended...
Tips: Tapping angle should be 90 degrees vertical and stable. The tapping depth should not exceed 1.5 times the diameter of the tap. Control the speed according to the material hardness. The higher the hardness, the slower the speed.
HSS Machine Screw Taps: Made of high-speed steel with blue coated, features high hardness, wear, and heat resistance
6 Different SAE Size Screw Taps: 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC, 1/4-20NC, great for tapping various threads.
Spiral Flute Thread Tap: Suitable for cutting and renewing external and internal threads to exact standards, and re-threading damaged or jammed threads
US Standard Thread & Spiral Flute Design: clear and tidy, no burr, provides rapid chip removal for efficient threading, suitable for the processing of blind holes and not easily broken tapping
Screw Thread Tapping Tool: can be used with hand tap wrenches, drill presses, tapping machines, CNC and milling machines, easy for precision and fast tapping on light metal aluminum board, iron plate, ordinary stainless steel and other hard materials
MATERIALS: The taps are made from M35 material and surface is coated with DLC for high hardness and rust resistance.
Designed: Spiral flutes is conducive to remove crumbs, not easily broken tap.
APPLICABLE: 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...
Use: On drilling machines, tapping machines, CNC and milling machines. Use with tapping oil to get higher quality threads and more durable taps. Machine taps are suggested to be used with tap collets with overload protection.
Tips: Taps are prone to chipping or breaking due to speed overload or non-vertical tapping. Use the correct tapping tools, such as tapping wrench, tapping machine. Micro taps are mainly used in clocks and watches, as well as for making holes in wood and...
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Spiral Flute Taps
Material Compatibility
Consider the material you'll be threading. High-speed steel (HSS) taps are versatile and suitable for a wide range of metals, including steel, aluminum, and brass. For harder materials or high-volume production, consider cobalt HSS taps, which offer increased heat and wear resistance.
Thread Size and Pitch
Ensure the tap matches the desired thread size (diameter) and pitch (threads per inch or millimeters). Common thread standards include UNC (Unified National Coarse), UNF (Unified National Fine), and metric (M). Incorrect size or pitch will result in unusable threads.
Tap Type and Application
Spiral Flute Taps: Ideal for blind holes as their design pulls chips out of the hole, preventing clogging and breakage.
Straight Flute Taps: Generally used for through holes where chip evacuation is less of a concern.
Forming Taps: Create threads by displacing material rather than cutting, suitable for softer metals like aluminum and copper.
Frequently Asked Questions
What is a spiral flute tap used for?
Spiral flute taps are primarily used for threading blind holes. Their helical flutes are designed to pull chips upward and out of the hole as the tap advances, preventing chip buildup and reducing the risk of tap breakage.
What material is best for spiral flute taps?
High-speed steel (HSS) is a common and effective material for spiral flute taps, offering good durability and performance across various metals. For more demanding applications requiring higher heat resistance and wear life, cobalt HSS taps are a superior choice.
How do I choose the correct thread size?
You must select a tap that matches the specific thread size and pitch required for your workpiece. Refer to engineering charts or the specifications of the fastener you intend to use to determine the correct tap size and thread count.
Can spiral flute taps be used in hard materials?
Yes, spiral flute taps can be used in hard materials, especially those made from cobalt HSS. However, it's crucial to use appropriate cutting fluids and ensure the machine's rigidity and speed settings are suitable for threading harder metals to prevent tool damage.
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