Are these good for make holes in steel material?

Yes，good for drilling steel.Generally, sellers purchase products from the market and sell them on e-commerce platforms. The STROTON drill bits we sell are designed and produced by our factory, including the case, which is unique on the market. This drill bit contains 6% cobalt, which is higher than general products. In addition, STROTON hss drill bits have a secret heat treatment recipe.So They’re good at drilling steel.

Where are these made?

They are made in China. They are very good cobalt drill bits set.It is designed and manufactured by STROTON, different from the similar products in the market.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Cobalt Drill Bit Set (1/16-1/2 Inch, 17PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

Cobalt Drill Bit Set (1/16-1/2 Inch, 17PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

Product ID: 430998172

Details

Cutting Angle String
135 degrees
Cutting Diameter
0.5 inches
Finish Type
Steel
Material
Cobalt
Shank Type
3-flats Round

🔥68 HRC hardness for superior heat resistance

⏱️2-3x faster drilling speed

⚙️5% Cobalt Steel for ultimate durability

AR$114025

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

Description

⚡ Drill like a pro, finish like a boss!

PRECISION ENGINEERED - Triple-ground cutting edges deliver clean, chip-resistant holes every time.
UNMATCHED DURABILITY - Premium M35 cobalt steel ensures long-lasting performance even on the toughest metals.
VERSATILE POWERHOUSE - Drills through stainless steel, cast iron, plastics, wood, and more with ease.
SPEED MEETS EFFICIENCY - Run 2-3 times faster than standard bits, saving you time on every project.
COST EFFECTIVE EXCELLENCE - Lower cost per hole thanks to extended tool life and superior cutting performance.

The STROTON Cobalt Drill Bit Set features 17 precision-engineered M35 high-speed steel bits with 5% cobalt, delivering exceptional hardness (68 HRC) and heat resistance. Designed for professional-grade drilling through stainless steel, hard metals, plastics, and wood, this set offers 2-3x faster drilling speeds and longer tool life, making it the ultimate choice for demanding projects.

Specifications

ASIN	B09MRW8399
Best Sellers Rank	#92,619 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #197 in Jobber Drill Bits
Brand Name	STROTON
Customer Reviews	4.6 4.6 out of 5 stars (556)
Cutting Angle String	135 degrees
Cutting Diameter	0.5 inches
Finish Types	Steel
Item Dimensions	7.09 x 5.12 x 1.57 inches
Manufacturer	STROTON Ltd
Material Type	Cobalt
Minimum Bore Diameter	0.06 inches
Model	Cobalt 6 series bits inch 1/16-1/2
Number of Flutes	2
Number of Packs	1
Number of Pieces	17
Part Number	Cobalt 6 series bits inch 1/16-1/2
Point Style	Split Point
Set Name	17-Piece Set
Shank Type	3-flats,Round
Surface Recommendation	Cast Iron,Metal,Plastic,Stainless Steel,Steel,Wood
Tool Flute Type	Straight
UPC	643459994935
Unit Count	1 Count

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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.

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AR$114025

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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