Somta Series 541 - HSS Straight Flute Short Hand Bottom (Finishing) Tap UNC 3/8" x 16 TPI

HSS Bottom Tap UNC 3/8″ x 16 – Somta Series 541 The SOMTA 5410953 – 3/8″ x 16 UNC HSS Bottom Tap is a high-precision threading tool designed for cutting...
$19.00
$19.00
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Vendor: SOMTA
SKU: 5410953
Availability: In Stock
Subtotal: $19.00
Somta Series 541 - HSS Straight Flute Short Hand Bottom (Finishing) Tap UNC 3/8" x 16 TPI

Somta Series 541 - HSS Straight Flute Short Hand Bottom (Finishing) Tap UNC 3/8" x 16 TPI

$19.00

Somta Series 541 - HSS Straight Flute Short Hand Bottom (Finishing) Tap UNC 3/8" x 16 TPI

$19.00

HSS Bottom Tap UNC 3/8″ x 16 – Somta Series 541

The SOMTA 5410953 – 3/8″ x 16 UNC HSS Bottom Tap is a high-precision threading tool designed for cutting full-depth internal threads in blind holes. Manufactured from high-speed steel (HSS), it features a short lead chamfer that allows threads to be cut close to the bottom of the hole. Conforming to the Unified National Coarse (UNC) thread standard, this bottom tap is ideal for accurate thread production in steel, cast iron, aluminum, and other general-purpose materials.

Key Features Benefits

  • Bottoming Chamfer (1–2 Threads) – Designed for threading to full depth in blind holes.
  • Unified National Coarse (UNC) – 3/8″ diameter with 16 TPI for compatibility with standard UNC fasteners.
  • Straight Flute Geometry – Enables clean chip flow and steady cutting in both hand and machine use.
  • High-Speed Steel (HSS) – Provides high wear resistance, toughness, and long service life.
  • Bright Finish – Reduces friction and enhances surface quality of cut threads.
  • Versatile Tapping – Suitable for use in tap wrenches, tapping arms, or machine tapping applications.

Technical Specifications

  • Part No: 5410953
  • Thread Size: 3/8″ x 16 TPI
  • Thread Standard: UNC – Unified National Coarse
  • Tap Type: Bottoming (short chamfer for blind holes)
  • Flute Style: Straight flute
  • Cutting Direction: Right-hand
  • Material Finish: High-Speed Steel (HSS), Bright
  • Standard: ANSI / Unified Inch

Why Choose the SOMTA 5410953 UNC Bottom Tap?

  • Precision Threading – Ensures accurate thread geometry for UNC applications.
  • Bottom Tap for Blind Holes – Allows maximum thread engagement near the hole base.
  • Reliable HSS Durability – Performs under demanding conditions and repeated use.
  • Trusted for Industrial Use – Ideal for workshops, maintenance, and fabrication environments.

The SOMTA 5410953 bottom tap offers professional-grade threading for 3/8″ UNC applications. Built for long life and precision, it’s the go-to choice for creating strong threads in blind hole setups across a variety of metals.

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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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