Can these drill bits cut through hardened steel or stainless steel?

Yes. M35 grade steel with 5% Cobalt is specifically engineered for high-tensile metals like stainless steel, cast iron, and titanium alloys. For fully hardened steel (HRC > 50), carbide bits are recommended.

Will these bits fit my standard cordless drill?

Yes. These feature standard round straight shanks. The largest diameter is 6.5mm, allowing them to fit securely into any standard 3/8-inch (10mm) or 1/2-inch (13mm) drill chuck.

Do I need to use cutting oil or lubricant?

Highly recommended. While Cobalt is heat-resistant, using cutting fluid significantly reduces friction and heat buildup. This prevents the bit from annealing (softening) and greatly extends its lifespan.

Do these bits require a center punch to start?

No. These bits feature a 135° Split Point tip. This design is self-centering and cuts immediately upon contact with the metal, preventing the bit from "walking" or skating across the surface.

Are these bits just coated with Cobalt or solid?

They are solid M35 Cobalt steel throughout, not just coated. Unlike titanium-coated bits that lose effectiveness once sharpened, these maintain their heat resistance and performance even after resharpening.

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

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13-Pc M35 Cobalt Metric Drill Bit Set, 1.5-6.5mm for Hard Metals

13-Pc M35 Cobalt Metric Drill Bit Set, 1.5-6.5mm for Hard Metals

Product ID: 45689374

Details

Cutting Angle String
135 degrees
Cutting Diameter
1.5
Finish Type
Bronze
Material
Cobalt Steel
Shank Type
Straight

🎯135° Split Point - Self-centering precision

🧹Dual Twist Flutes - Fast chip ejection

⚙️M35 Cobalt Steel - 67 Rockwell Hardness

AR$46211

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Drill Like a Pro, Last Like a Legend

PINPOINT ACCURACY - 135° split point design eliminates walking for flawless starts every time.
ORGANIZED ON THE GO - Durable indexed case keeps bits secure and accessible, perfect for busy professionals.
UNMATCHED DURABILITY - Premium M35 cobalt alloy resists heat & wear for longer life.
VERSATILE METRIC RANGE - 13 precision sizes from 1.5mm to 6.5mm cover all your hard metal drilling needs.
EFFORTLESS CHIP REMOVAL - Dual twist flutes rapidly eject debris, reducing friction and overheating.

The Hymnorq 13-Pc M35 Cobalt Metric Drill Bit Set features premium cobalt steel with 67 Rockwell hardness for superior heat resistance and durability. Its 135° split point ensures self-centering precision, while dual twist flutes enable fast chip ejection for clean, efficient drilling. With 13 metric sizes from 1.5 to 6.5mm housed in a sturdy indexed case, this set is engineered for professionals tackling tough metals like stainless steel, cast iron, and titanium alloys.

Specifications

ASIN	B071ZRMWBN
Best Sellers Rank	#14,939 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in Metalworking & Multipurpose Drill Sets
Brand Name	HYMNORQ
Customer Reviews	4.4 4.4 out of 5 stars (1,151)
Cutting Angle String	135 degrees
Cutting Diameter	1.5 millimeters
Finish Types	Bronze
Included Components	13 pieces of metric cobalt drill bits
Item Dimensions	5.12 x 0.59 x 2.76 inches
Item Weight	0.1 kg
Manufacturer	Hymnorq
Material Type	Cobalt Steel
Model	DC023
Number of Flutes	2
Number of Packs	1
Number of Pieces	13
Part Number	DC023
Point Style	Split Point
Set Name	13pcs(Plastic Case)
Shank Type	Straight
Surface Recommendation	Stainless Steel, Brass, Copper, Iron, Aluminum Alloy, Angle Steel, Cast Iron, Wood, Plastic
Tool Flute Type	Spiral
UPC	610521863130
Unit Count	1 Count
Warranty Description	Seller warranty for 90 days from date of purchase.

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

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AR$46211

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

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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