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- #53 x 12in HSS Aircraft Extension Drill Bit
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Item #:
191065197
#53 x 12in HSS Aircraft Extension Drill Bit
Item #:
191065197
GTQ 257
Price Details
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*All items will import from US
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Imported from USA store
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This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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Ideal for drilling in mild steel where extra length for reach is required.
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What Stands Out
Extended Reach
At 53 inches long, this drill bit allows users to access hard-to-reach areas, making it perfect for deep drilling tasks in aviation and construction applications.
High-Speed Steel
Crafted from premium HSS, this drill bit ensures durability and sharpness, providing efficient drilling and longevity compared to standard bits, reducing the need for replacements.
Versatile Applications
Designed for use in various materials, this aircraft extension drill bit efficiently tackles metal, wood, and composite materials, catering to a broad range of professional and DIY projects.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 0.5 lbs (230 grams) |
| What is in the box | #53 x 12in HSS... For more details, please check description/product details |
Who Should Buy?
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Aerospace Technicians
Ideal for aerospace applications where precise drilling in hard materials is essential for aircraft assembly and maintenance.
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Metal Fabricators
Designed for metalworking professionals needing to drill deep holes in aluminum, steel, and other tough metals.
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Hobbyist Builders
Perfect for enthusiasts crafting projects or models requiring accurate and deep drilling without sacrificing quality.
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Casual DIYers
Not suitable for occasional users who only require basic drilling tasks without the need for specialized tools.
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Plastic Work
This drill bit is not intended for plastic materials, which can melt or crack under high heat during drilling.
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Softwood Applications
Using this bit on softwoods may lead to splintering and unnecessary wear, making it less effective for such tasks.
Product Description
#53 x 12in HSS Aircraft Extension Drill Bit
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Customer Questions & Answers
-
Question:
What materials can these drill bits be used on?
Answer: These drill bits are ideal for drilling in mild steel. -
Question:
What is the advantage of the 135 degree split point?
Answer: The 135 degree split point self-centers and reduces thrust during drilling. -
Question:
What is the overall length of the drill bit?
Answer: The overall length of the drill bit is 12 inches.
Qualtech Long Length Drill Bits Editorial Review
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MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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- 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.
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GTQ 257
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Manufactured to Aerospace Standard 907 for superior quality.
- 135 degree split point design for self-centering and reduced thrust.
- Perfect for drilling in mild steel with extended reach.
- Black oxide surface treatment enhances abrasion resistance.
- Improves chip flow and reduces chip welding.
- Available in various sizes with a flute length of 7/8 and overall length of 12 inches.
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