Somta Series 551 - HSS Short Hand Tap No.4 UNF Second (Intermediate)

HSS Second (Intermediate) Short Hand Tap No.4 UNF The SOMTA 5510282 - No.4 HSS Second (Intermediate) Short Hand Tap is a precision-engineered tool designed for general-purpose hand tapping. Manufactured to...
$29.00
$29.00
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Vendor: SOMTA
SKU: 5510282
Availability: In Stock
Subtotal: $29.00
Somta Series 551 - HSS Short Hand Tap No.4 UNF Second (Intermediate)

Somta Series 551 - HSS Short Hand Tap No.4 UNF Second (Intermediate)

$29.00

Somta Series 551 - HSS Short Hand Tap No.4 UNF Second (Intermediate)

$29.00

HSS Second (Intermediate) Short Hand Tap No.4 UNF

The SOMTA 5510282 - No.4 HSS Second (Intermediate) Short Hand Tap is a precision-engineered tool designed for general-purpose hand tapping. Manufactured to ISO 529 standards and made from high-speed steel (HSS), this tap produces accurate UNF threads with a 60° flank angle. Its straight flute geometry and right-hand cutting action make it suitable for both through-hole and blind-hole tapping. This second tap is ideal for intermediate thread forming in a 3-piece tap set and is widely used in maintenance, repair, and fabrication environments.

Key Features & Benefits

  • UNF Thread Form – Unified Fine Thread standard for precision fastenings.
  • Second Tap (Intermediate) – Used after taper tap for continued thread cutting and improved alignment.
  • High-Speed Steel (HSS) – Offers excellent wear resistance and tool life.
  • Straight Flute Design – Supports chip evacuation in hand tapping operations.
  • 60° Flank Angle – Delivers accurate, industry-standard thread profiles.
  • ISO 2 / 2B Tolerance – Suitable for general-purpose internal threads.
  • Right-Hand Cutting – Clockwise cutting motion for standard tap wrenches.
  • Blind & Through Hole Capability – Versatile performance across common tapping tasks.
  • Manual Tapping – Designed specifically for hand use in workshop settings.

Technical Specifications

  • Part No: 5510004
  • Tap Size: No.4 UNF
  • Nominal Diameter: 2.85 mm
  • Threads Per Inch (TPI): 48
  • Overall Length (l1): 48 mm
  • Thread Length (l2): 11 mm
  • Shank Diameter (d1): 3.15 mm
  • Square Size (a): 2.5 mm
  • Number of Flutes: 3
  • Thread Angle: 60°, UNF Form
  • Material: High-Speed Steel (HSS)
  • Flute Type: Straight Flute
  • Standard: ISO 529
  • Tolerance: ISO 2 / 2B
  • Cutting Direction: Right-Hand
  • Application: General-Purpose Hand Tapping

Why Choose the SOMTA 5510004 Second Tap?

  • Precision Threading – Produces clean, accurate threads for reliable fastener engagement.
  • Intermediate Cutting Stage – Bridges the gap between taper and bottoming taps for smooth thread progression.
  • Durable HSS Construction – Built for long service life in demanding workshop conditions.

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Shipping

Shipping within Australia is free. Please note delivery times to remote and very remote (Zone 3 and 4 postcodes) destinations around Australia will have longer delivery times due to postal processing and the distance to destination. Our handling time will remain as next day dispatch on all orders placed before 8am, ensuring you receive your item as quickly as possible.

AU Post is used for all shipping unless very large items require a courier. Tracking will be provided on all purchases.

Returns

Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items

Gift cards
Downloadable software products
Some health and personal care items

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer. Any item not in its original condition, is damaged or missing parts for reasons not due to our error
Any item that is returned more than 30 days after delivery

Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds (if applicable)

If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at mailto:accounts@twineagleimports.com.au.

Sale items (if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at mailto:accounts@twineagleimports.com.au and send your item to: Twin Eagle Imports PTY LTD, 198 spinebill dr, greenbank QLD 4124, Australia.

Gifts

If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.

If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.

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