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OSG Threading Tap - BA Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 12BA

OSG Threading Tap - BSF Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 7/32 x 28

SKU:OSG-22107564

The OSG BSF Spiral Point Threading Tap in 7/32 x 28 is designed for through-hole BSF tapping, delivering precise thread form and reliable performance in metal parts. Built with HSS-E and a Steam O... Read more ↓
P
M
FormBSF
Size7/32
Pitch28
Flute Length17
Shank Diameter5.6
Overall Length62
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£30.42
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1–2 days estimated lead time — subject to availability
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The OSG BSF Spiral Point Threading Tap in 7/32 x 28 is designed for through-hole BSF tapping, delivering precise thread form and reliable performance in metal parts. Built with HSS-E and a Steam Oxide coating, it stands up to demanding machining tasks with extended tool life.

  • Material: HSS-E (high-speed steel with cobalt) for increased hardness and heat resistance.
  • Coating: Steam Oxide finish to enhance wear resistance and durability in tough cutting conditions.
  • Thread type: BSF (British Standard Fine) spiral point geometry for accurate threads and efficient chip evacuation.
  • Design: Spiral point pushes chips forward, reducing clogging in through-hole applications and improving cycle times.
  • Through-hole compatibility: Optimized for through-hole tapping, delivering consistent thread quality from start to finish.
  • Size: 7/32 x 28, providing a precise BSF thread pitch for compatible components.

With the OSG BSF Spiral Point Threading Tap, you can achieve clean, accurate BSF threads in through-holes while benefiting from extended tool life and better heat resistance. The cobalt-infused core handles tougher materials and higher cutting speeds, making it suitable for automotive brackets, machinery frames, and fabrications requiring dependable BSF threads. The combination of spiral point geometry and steam oxide coating helps minimize chatter and wear, supporting repeatable results across production runs and repairs alike.

Form BSF
Size 7/32
Pitch 28
Flute Length 17
Shank Diameter 5.6
Overall Length 62
Substrate HSS-E
Style Spiral Point

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Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.

We also offer the following:

  • Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
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  • Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
  • DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.

For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.

*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.

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Full Range: OSG Threading Taps - BSF Spiral Point HSS-E - Steam Oxide Coated - Through Hole

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You are viewing OSG-22107564. Click any other SKU to view its full details.

Product SKUSizePitchFlute LengthShank DiameterOverall LengthPriceStock Order
OSG-22107554 3/163216558£21.71 1-2 days
OSG-22107564 Viewing7/3228175.662£30.42 1-2 days
OSG-22107314 1/426196.366£18.26 In Stock
OSG-22107574 9/3226197.166£42.15 1-2 days
OSG-22107324 5/162222872£20.51 In Stock
OSG-22107334 3/820241080£25.81 In Stock
OSG-22107344 7/161825885£36.68 In Stock
OSG-22107354 1/21629989£36.94 In Stock
OSG-22107364 9/16163011.295£49.11 In Stock
OSG-22107374 5/8143212.5102£55.89 In Stock
OSG-T311068714 11/16143714112£115.57 1-2 days
OSG-22107394 3/4123714112£83.43 In Stock
OSG-22107414 7/8113816118£115.57 1-2 days
OSG-22107424 1104518130£137.32 1-2 days
OSG-22107434 1.1/893720127£239.87 1-2 days
OSG-22107444 1.1/493722137£307.66 1-2 days

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