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Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

Q: Can these drill through a car's trunk without any issues?

These are made to drill through thick hard steel. Thus are very hard and brittle and will break easily if improper angle is applied. For drilling trunk or locks use a titanium bit and buy a few of them as they dull quick but get the job done.

Q: Bought the 19 pc set; 3mm but broke immediately. Can anyone point me to where I can buy replacement? Thank you.

Hi,I am the seller. You need to click the blue word [STROTON] in "Sold by STROTON and Fulfilled by Amazon" below the "Add to Cart" of this Drill bit's listing. Then click [Ask a question] that write the condtion simply to Establish contact channels with me through Amazon message system. Then I can handle the follow-up to your order. Best regards STROTON

Q: Can they drill titanium

Honestly,They are good for drilling steel and do the job well. But Titanium alloy has very high hardness. And We can't guarantee. If it doesn't work well, you could return it. If it works（Lubricant Must Be Used）, you could share it with other customers.

Q: What is the length of these bits?

They are average lengths. The 1mm is 3.4cm and length increase proportionally to the 10mm which is 5.4cm.

Product ID: 206579455

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Details

Material
Cobalt
Cutting diameter
10 Millimetres
Finish type
Uncoated
Shank type
Straight
Cutting angle string
90 Degrees

📏19pcs 1-10mm range - Precision size increments

🔥68-70 HRC Hardness - Superior heat & wear resistance

⚙️M42 8% Cobalt Steel - Ultimate durability

Frequently Bought Together

Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

Tap Magic 30004P ProTap Cutting Fluid, 4 oz. Size

MACXCOIP Cobalt Drill Bit Set, 115Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box

Description

🔥 Drill smarter, not harder — conquer metals like a pro!

SPEED MEETS LONGEVITY - Run 3-5x faster with cobalt tech, reducing your project time drastically
COMPLETE SIZE SPECTRUM - 19-piece set from 1mm to 10mm in 0.5mm increments for every job
UNMATCHED CUTTING POWER - 3-step design slices through stainless steel & hard metals with ease
COST EFFECTIVE PRECISION - Lower cost per hole thanks to extended tool life and sharp edges
ENGINEERED FOR PROFESSIONALS - 135° split point ensures accurate starts and reduces walking

The Metric M42 8% Cobalt Twist Drill Bits Set features 19 precision bits ranging from 1mm to 10mm, crafted from premium M42 cobalt steel with 68-70 HRC hardness. Designed for stainless steel and hard metals, this set offers superior heat resistance, wear durability, and faster drilling speeds, making it the go-to choice for professionals demanding efficiency and longevity.

Specifications

Manufacturer	STROTON
Part number	M42 Cobalt-8(19pcs)
Item Weight	454 g
Package Dimensions	17.6 x 12.5 x 4.4 cm; 453.59 g
Size	1-10mm (19PCS)
Colour	Grey
Finish	Uncoated
Material	Cobalt
Pattern	1-10mm (19PCS)
Item Package Quantity	1
Number of Pieces	19
Measurement System	Metric
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Can these drill through a car's trunk without any issues?

Bought the 19 pc set; 3mm but broke immediately. Can anyone point me to where I can buy replacement? Thank you.

Can they drill titanium

What is the length of these bits?

Common Questions

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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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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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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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