Aceteel
0 ratings
HSS 1/2-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap
genuine image
HSS 1/2-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap
Standard thread design, made of High-speed steel with high hardness and toughness, provide rapid chip removal for efficient threading.
HSS 1/2"-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap
Item #: 141885890

HSS 1/2"-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap

Item #: 141885890

STD 324750

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Sunday, September 06
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Standard thread design, made of High-speed steel with high hardness and toughness, provide rapid chip removal for efficient threading.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Precision Engineering
Manufactured from high-speed steel for durability, this tap ensures accurate left-hand threading, reducing wear and enhancing performance over time, making it ideal for professional machinists.
Versatile Application
Designed for a range of materials, this tap excels in creating robust, left-hand threads, addressing the specific needs of users in metalworking, automotive, and repair industries.
Enhanced Durability
With superior strength and resistance to deformation, this tap withstands heavy usage, ensuring longevity and reliability, thus offering exceptional value and reducing the need for frequent replacements.

Product Details

Shop HSS 1/2-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap online at a best price in São Tomé and Príncipe. B09TQ1HMRM

Who Should Buy?

Suitable For
  • Automotive Mechanics

    Ideal for left-hand threading applications in automotive repairs, especially in broken bolt extraction.

  • Metal Fabricators

    Useful for fabricating components requiring precise left-hand threads in various metalworking projects.

  • Home Hobbyists

    Great for DIY projects involving left-hand threads, catering to enthusiasts and hobbyists in crafting.

Not Suitable For
  • General Users

    Not suited for casual users needing standard right-handed taps for general household tasks.

Product Description

HSS 1/2"-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is an HSS 1/2"-20 machine tap used for?

    Answer: An HSS 1/2"-20 machine tap is primarily used for creating internal threads in materials like metal and plastic. It's specifically designed to tap into 1/2"-20 left-hand threads, which are common in various engineering applications. Ideal for situations where you need to create left-handed threads for specific parts, this tap ensures precise threading and is perfect for repairing damaged threads or fabricating new threaded holes.
  • Question: What is the difference between right-hand and left-hand machine taps?

    Answer: The primary difference between right-hand and left-hand machine taps lies in the direction of the threading. Right-hand taps are used for standard applications and thread in a clockwise direction, while left-hand taps thread counterclockwise. This distinction is essential in scenarios where you need to ensure that the threaded parts will not unscrew under normal operation, such as in certain automotive or aerospace applications where left-hand threads are required.
  • Question: Can I use this tap on different materials?

    Answer: Yes, the HSS 1/2"-20 machine tap is versatile and can be used on various materials, such as aluminum, copper, and steel. High-speed steel (HSS) construction provides durability and is suitable for tapping hard materials without wear. When working with softer materials, it’s important to maintain optimal drilling speed to prevent tearing. This feature makes it a go-to choice for machinists who need flexibility in their toolset.
  • Question: What tools are needed to use an HSS machine tap?

    Answer: To use an HSS 1/2"-20 machine tap, you'll need a proper tapping machine or a hand-held drill with a tapping attachment, along with a tap wrench. Using the correct tools is crucial for alignment and ensuring clean threading. Additionally, applying cutting fluid can enhance performance and extend the life of your tap by decreasing friction, making this setup ideal for expanding or creating threaded holes in various projects.
  • Question: Is tapping a left-hand thread more challenging than a right-hand thread?

    Answer: Tapping a left-hand thread is not inherently more challenging than a right-hand thread, but it may require some practice for those unfamiliar with it. The key difference is in the direction of rotation. It’s important to remember to apply consistent pressure and keep the tap aligned while threading. This process is often used in specialized applications where reverse motion is intentional, such as with certain fasteners that are designed to stay secured under typical operating conditions.
  • Question: How do I maintain my HSS machine tap to ensure longevity?

    Answer: To maintain your HSS 1/2"-20 machine tap and extend its lifespan, keep it clean and free from debris after each use. Avoid using excessive force while tapping, which can cause wear and damage. Regularly lubricate with the appropriate cutting fluid, as this helps reduce friction and heat build-up. Proper storage in a case or holder that protects the cutting edges from damage will also ensure it's ready for your next project.
  • Question: Can I use the HSS tap without a drill?

    Answer: Yes, the HSS 1/2"-20 machine tap can be used manually with a tap wrench without a drill, especially if you're working on small projects or limited spaces. This manual method allows for greater control over the tapping process and is typically preferred for precision tasks. However, for larger productions or when tapping harder materials, combining it with a drill will yield faster and more consistent results.
  • Question: What will happen if I try to tap without a proper pilot hole?

    Answer: Tapping without a proper pilot hole can lead to poor threading and potentially damage the tap or the workpiece. A correctly sized pilot hole is crucial as it guides the tap and ensures that the threads are cut accurately. Without this, the tap may bind, break, or create misaligned threads, which can compromise the integrity of the assembly in applications such as machinery or fixtures.
  • Question: Can I use this tap for creating blind holes?

    Answer: Yes, the HSS 1/2"-20 machine tap is suitable for creating blind holes, which are holes that do not go all the way through the material. It's important to choose the right depth for your tap and ensure that you stop when you reach the desired thread depth. When machining blind holes, monitoring the tap's progress and backing out periodically can help prevent chip buildup and ensure clean threading, particularly in tighter spaces.
  • Question: Where can I buy HSS 1/2"-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap in São Tomé and Príncipe?

    Answer: You can buy the HSS 1/2"-20 Machine Tap, 1/2 x 20 Left Hand Thread Tap from Ubuy in São Tomé and Príncipe. Ubuy is known for a wide selection of tools and hardware products, making it easy to find quality tapping tools that suit your needs. They offer a user-friendly platform for seamless shopping, ensuring you can quickly locate and purchase your desired tap with confidence.

Aceteel Thread Milling Taps Editorial Review

The HSS 1/2"-20 Machine Tap has garnered a mix of feedback from users, primarily focused on its functionality and application. Many customers found the tap to be an excellent choice for cleaning and chasing existing threads, particularly those with specific needs such as vintage car restorations. One user praised it for its unbeatable price when used for thread cleaning. However, there are a few caveats. One customer noted that the size was slightly undersized, prompting a return, which could be an important Consideration for those seeking precision in their work. Overall, this machine tap serves well for tasks that require left-hand threading, particularly for specialized applications like automotive repairs, while some users may need to be cautious regarding size specifications. **

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Affordable price
  • Effective for cleaning and chasing existing threads
  • Specifically useful for tasks involving left-hand threads

Cons

  • May not meet precise specifications for all applications

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

STD 324750

Order now and get it around Sunday, September 06

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Made from high-speed steel for exceptional durability.
  • Designed for both through holes and shallow blind holes.
  • Compatible with various tapping machines and CNC lathes.
  • Recommended feed rates optimized for different materials.
  • Includes essential tips for effective and safe tapping.
  • Ideal for making and repairing threads in various metals.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.