Aircraft Tool Supply Countersink Kit W/Pilot Cutter by Aircraft Tool Supply

Q: what does the number stand-for for the countersink cutter? sometime is #40, #21, sometime is 1/4", I need 1/8" or 5/32", do you have?

The number is standard drill size. #40 being slightly larger than 3/32" and #30 slightly larger than 1/8". A quick google will give you a conversion chart. They do also sell them in standard sizes like 3/32 or 1/4, but you may have to contact ATS directly.

Q: Although this seems to be used for rivets on aircraft, can it also be used on solid aluminum and steel millwork projects for flat head machine screws?

Hello, Unfortunately this item will not work for the purpose you are proposing. These pilot cutters are 100 degree 3 flute cutting edge and I believe if you are using AN screws they will require a 82 degree cutter which we do not sell.

Q: What is the Thread size of the cutter's shank? (IE 1/4-28 ?)

It looks like 1/4" 28. I don't have any fine thread nuts around. It catches the first thread on 1/4 20 but won't go any further.

Q: Is it 60 degrees or, like most countersinks, 80 degrees? They don't say in the description.

100 degree counter sinks -- for standard aviation rivets AD426-xxxx

Product ID: 347818085

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Details

Material
metal
Finish type
Uncoated
Shank type
Straight
Brand
Aircraft Tool
Point style
Taper Point

📏Compact 18.21 x 8.99 x 2.9 cm size

⚙️Precision metal construction

🛠️All-in-one countersink kit with pilot cutter

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Aircraft Tool Supply Countersink Kit W/Pilot Cutter

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Description

🛠️ Elevate your craft with precision countersinking mastery!

COMPACT PORTABLE - Slim 18.21 x 8.99 x 2.9 cm design fits perfectly in your toolkit or workspace
LIGHTWEIGHT EFFICIENCY - Weighs just 454 g—easy to handle without sacrificing strength
ENGINEERED FOR PRECISION - Crafted from durable metal for flawless countersinking every time
COMPLETE COUNTERSINK SOLUTION - Includes pilot cutter for seamless, professional-grade finishes
TRUSTED AIRCRAFT TOOL SUPPLY QUALITY - Backed by a reputable manufacturer known for aviation-grade tools

The Aircraft Tool Supply Countersink Kit with Pilot Cutter is a compact, lightweight metal tool designed for precision countersinking. Measuring 18.21 x 8.99 x 2.9 cm and weighing 454 g, it offers a complete solution for professional-grade finishes, trusted by aviation and industrial professionals alike.

Specifications

Manufacturer	Aircraft Tool Supply
Part number	133KIT
Item Weight	454 g
Package Dimensions	18.21 x 8.99 x 2.9 cm; 453.59 g
Item model number	Aircraft Tool Supply [SOMETHING]
Finish	Uncoated
Material	metal
Item Package Quantity	1
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

what does the number stand-for for the countersink cutter? sometime is #40, #21, sometime is 1/4", I need 1/8" or 5/32", do you have?

Although this seems to be used for rivets on aircraft, can it also be used on solid aluminum and steel millwork projects for flat head machine screws?

What is the Thread size of the cutter's shank? (IE 1/4-28 ?)

Is it 60 degrees or, like most countersinks, 80 degrees? They don't say in the description.

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€ 256.71

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TrustScore 4.5 | 7,300+ reviews

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