Drill America 1/4 Inch By 6 Inches High Speed Steel Aircraft Extension Drill Bit DWDA/C Series
Why you'll like it
- Enhanced Reach — Extended shaft design allows effortless access to confined, deep, and hard-to-reach areas during assembly and maintenance.
- Precise Penetration — 135-degree self-centering split point prevents walking and reduces thrust for accurate starting.
- Superior Durability — High-speed steel construction offers an optimal combination of hardness and toughness for wear resistance.
- Efficient Chip Evacuation — Spiral flutes evacuate chips smoothly up and out of the cut when run right-hand, minimizing clogging.
- Improved Lubricity — Black oxide treatment holds coolant near the cutting edge and reduces abrasion and chip welding.
Product details
Description
The Drill America 1/4 Inch by 6 Inches High-Speed Steel Aircraft Extension Drill Bit is engineered for precision deep-hole drilling and hard-to-reach applications. Manufactured to National Aerospace Standard 907, this industrial-grade tool combines exceptional hardness and toughness to provide superior wear resistance during demanding projects.
The 135-degree self-centering split point prevents bit walking and significantly reduces thrust requirements, ensuring clean and accurate penetration across mild steels, aluminum, copper, wood, and plastics. A specialized black oxide surface treatment adds vital lubricity while holding coolant near the cutting edge, effectively minimizing abrasion, chip welding, and clogging.
Featuring an extended un-fluted shaft, this twist drill bit is the ideal solution for professionals and technicians requiring extended reach and reliable performance in confined assembly and maintenance environments.
How to use
- Secure the round shank firmly into a compatible tool-holding system.
- Align the 135-degree split point with the pre-marked drilling spot on the material.
- Operate the drill in a right-hand counterclockwise or clockwise cutting direction as appropriate, applying steady and controlled pressure while utilizing recommended coolant for extended tool life.
Ingredients
High-Speed Steel (HSS M2 Grade) with Black Oxide Surface Treatment
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Drill America |
|---|---|
| UPC | 887861043304 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What is an aircraft extension drill bit used for?
An aircraft extension drill bit features an extra-long un-fluted shaft designed to reach deep or confined spaces where standard-length drill bits cannot fit. It is widely used in aviation, metalworking, and maintenance tasks requiring high precision.
What materials can be drilled with this HSS extension drill bit?
This high-speed steel drill bit is ideal for general-purpose drilling across mild steels, aluminum, copper, wood, and plastics, offering reliable heat resistance and durability.
Why does the drill bit feature a black oxide finish?
The black oxide surface treatment adds lubricity and creates microscopic pockets that hold coolant near the cutting edge, which reduces friction, abrasion, chip welding, and clogging.
Are products sold on Dropy India authentic USA imports?
Yes, Dropy India sources all products directly from the USA to guarantee 100% authenticity, bringing genuine international industrial and personal care goods straight to your doorstep.
What shank style does this drill bit use?
This drill bit features a standard round straight shank, making it compatible with a wide variety of standard tool-holding systems and chucks.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.