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Dormer A243 HSS High Speed Steel Long Series Aircraft Extension Drill Bit with 135 Degree Spit Point, NAS907 standard, Size 3/32, 10 Pack โ€” image 1
Drilling HoldersDormerโœ“ In stock

Dormer A243 HSS High Speed Steel Long Series Aircraft Extension Drill Bit with 135 Degree Spit Point, NAS907 standard, Size 3/32, 10 Pack

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About this item
  • 135 degree split point - Help with self-centring when used by hand, reduce the push force required
  • Bright finish - Prevent work piece material from sticking to the cutting edge
  • Long length with short flute - Recommended for stable drilling in hard to reach areas
  • Premium HSS material - Can be used for drilling many materials including steels, aluminium, stainless steel
  • Versatile product - Can be used by hand to drill in many different materials
Product description

Dormerโ€™s A243 is a long series aircraft extension drill bit, manufactured to NAS907 standard. It comes with a 135 degree split point which both helps with self centring, stopping the point of the drill from sliding over the surface of the material, and also means less force is needed to drill into the work piece. It has a bright finish to help prevent chips of work piece material from sticking to the cutting edge. The A243 is made with a long overall length but a short flute length which makes it good for stable drilling in areas which might be hard to reach with a conventional drill. It is made from premium High Speed steel and is suitable for drilling steels, aluminium, stainless steel and can be used by hand to drill many other materials, making it a very versatile product.

Product details
Brand
Dormer
Manufacturer
Dormer Pramet
Colour
Bright finish
Size
3/32 inches

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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