would these bits drill a hole in stainless steel?

They can. I made sure that I kept them well lubricated but still had to sharpen after about 8 holes.

What does Nitride Coating actually mean?

Nitriding is a heat treating process that improves heat-resistance, toughness and durability.

So why does the picture show left hand drill bits when i assume that these are right hand?

As far as I know they are right hand drill bits. Stated another way when inserted into a drill which is set for forward they will dig into the piece you are drilling. I don't recommend for cutting metal - while usable they wore out quickly assembling some metal ducting for a dust collector.

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🔧 Drill Like a Pro with Amoolo's Cobalt Set!

HASSLE FREE WARRANTY - 90-day satisfaction guarantee for peace of mind.
UNMATCHED DURABILITY - Crafted from premium M35 Cobalt HSS for superior wear-resistance.
VERSATILE SIZE RANGE - Includes 13 commonly-used sizes for all your drilling needs.
EFFICIENT PERFORMANCE - Fully ground spiral grooves reduce friction for faster, cooler drilling.
PRECISION ENGINEERING - 135° Split Point design ensures accurate drilling without walking.

The amoolo Cobalt Drill Bit Set features 13 high-speed steel bits made from M35 Cobalt, designed for precision drilling in various materials including steel, stainless steel, and wood. With a 135° Split Point for accuracy and a durable construction, this set is perfect for both professionals and DIY enthusiasts. Plus, it comes with a 90-day warranty for added assurance.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 62.55

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Manufacturer	amoolo
Part number	AT1902
Item Weight	159 g
Package Dimensions	15.24 x 12.7 x 4.06 cm; 159 g
Item model number	AT1902
Size	1/16-1/4 in (13pcs)
Style	M35 Cobalt Twist Drill Bit
Finish	Dull Gold Color
Material	M35 Cobalt HSS
Item Package Quantity	1
Number Of Pieces	13
Tool Tip Description	Split Point
Measurement System	Inch
Batteries Included?	No
Batteries Required?	No

amoolo Cobalt Drill Bit Set (1/16"-1/4",13 Pcs), M35 HSS Metal Drill Bits for Steel, Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

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