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.Customs & duties included in the price

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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

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

€ 60.38

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered 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 GERMANY.

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Description

🔩 Drill Like a Pro, Finish Like a Boss!

EFFICIENCY BOOSTER - Run drills 2-3 times faster, slashing your project time and costs.
COMPLETE SIZE RANGE - 17-piece set covers 1/16 to 1/2 inch for every professional task.
PRECISION ENGINEERED - 135° split point design delivers clean, chip-free holes every time.
UNMATCHED DURABILITY - Premium M35 cobalt steel ensures long-lasting performance even on the toughest metals.
VERSATILE POWERHOUSE - Seamlessly drills through stainless steel, cast iron, plastics, wood, and more.

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 heavy-duty use on stainless steel, cast iron, plastics, and wood, these bits drill 2-3 times faster with a sharp 135° split point for clean, efficient cuts. This versatile set is a must-have for professionals demanding durability, speed, and precision.

Specifications

ASIN	B09MRW8399
Best Sellers Rank	#85,494 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #177 in Jobber Drill Bits
Brand	STROTON
Brand Name	STROTON
Customer Reviews	4.6 out of 5 stars 565 Reviews
Cutting Angle String	135 degrees
Cutting Diameter	0.5 inches
Finish Type	Steel
Finish Types	Steel
Item Dimensions	7.09 x 5.12 x 1.57 inches
Manufacturer	STROTON Ltd
Material	Cobalt
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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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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How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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€ 60.38

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered 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 GERMANY.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

View all Trustpilot reviews