how do I open the case, grrr!?

Hello There is a black disposable component in the upper left corner that can be used after destructively removed We are sorry that our products have caused you an unpleasant experience We will document this issue and will improve it Have a great life

do drill bits have etched "HSS Co"? or else how do you know they are Cobalt drill bits?

3mm-13mm have HSS*Co logo and size marking 1mm-2.5mm is too small to be marked, but also contains cobalt

what tolerances can I expect?

From the product manufacturing technology: The diameters are all standard sizes Drill length and cutting edge length may have small measurement errors with the solid From the perspective of use: Borehole diameter, face tolerances range from 0.01mm to 0.5mm, and the tolerance slowly decreases as the depth increases Cordless drill with maximum tolerance for handheld operation Table drill tolerances will remain below 0.1mm Hope this helps with your question

what is the cutting tip angle?

Tip angle 118 ° This is the best angle for the cobalt twist drill. The tip angle of all sizes of the set is 118 °. The new product can be used out of the box without trimming and grinding.

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Cobalt Drill bit Set 1.5mm-13mm M35 Carbide Drill bits 5% Cobalt Twist Drill HSS 13-Piece Set Metric Drill bits Set for Metal (13pcs)

Cobalt Drill bit Set 1.5mm-13mm M35 Carbide Drill bits 5% Cobalt Twist Drill HSS 13-Piece Set Metric Drill bits Set for Metal (13pcs)

Product ID: 517130635

Details

Cutting angle string
135° Degrees
Cutting diameter
1.5
Finish type
Titanium or or
Material
Cobalt
Shank type
Round

📏13 precision metric sizes 1.5-6.5mm

⚙️5% Cobalt for extreme hardness

🛠️135° double-edge spiral cutting

€ 39.51

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Drill Like a Pro, Own Every Hole!

COMPACT ORGANIZED - Durable plastic case with clear size markings keeps your set travel-ready and tangle-free.
UNMATCHED DURABILITY - 5% cobalt alloy boosts heat resistance & lifespan beyond standard drill bits.
VERSATILE METAL MASTERY - Engineered for stainless steel, cast iron, carbon steel, and soft metals—your all-in-one metal drill set.
EFFORTLESS METAL PENETRATION - 135° double-edge spiral design ensures clean, fast cuts without surface skidding.
PRECISION AT YOUR FINGERTIPS - 13 metric sizes from 1.5mm to 6.5mm cover every metalworking need with exact fit.

This 13-piece M35 cobalt drill bit set features 5% cobalt for superior hardness and heat resistance, ideal for drilling tough metals like stainless steel and cast iron. With precision metric sizes from 1.5mm to 6.5mm and a 135° double-edge spiral cutting angle, it delivers clean, efficient holes. Packaged in a compact, labeled plastic case, it’s perfect for professionals and serious DIYers demanding durability and precision.

Specifications

ASIN	B0B8WYPBMF
Best Sellers Rank	#27,473 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #102 in Power Drill Bit Sets
Brand	COPOUIXR
Brand Name	COPOUIXR
Customer Reviews	4.6 out of 5 stars 292 Reviews
Cutting Angle String	135° Degrees
Cutting Diameter	1.5 Millimeters
Cutting angle string	135° Degrees
Cutting diameter	1.5 Millimeters
Finish Types	Titanium or Titanium Carbon with glossy or semi-gloss finish
Finish type	Titanium or Titanium Carbon with glossy or semi-gloss finish
Included Components	1.5mm-6.5mm Cobalt drill bit set
Item Dimensions	13.8 x 7.8 x 1.5 centimeters
Item Weight	0.1 Kilograms
Manufacturer	COPOUIXR
Material	Cobalt
Material Type	Cobalt
Minimum Bore Diameter	1.5 Millimeters
Model	Cobalt twist drill bits 13
Number of Flutes	2
Number of Pieces	13
Part Number	100002131
Point Style	Torsion Tip
Set Name	Metric Drill Bit Set (13 Pieces)
Shank Type	Round
Shank type	Round
Surface Recommendation	Metal
Tool Flute Type	Spiral
UPC	797439784921
Unit Count	13 Count

Reviews

B**L

Hält nicht was es verspricht

Bereits beim ersten Einsatz hat es einen der dünneren Bohrer zerlegt. Die Spitze steckt im Werkstück, ein Teil im Futter der Maschine und der Rest ist weggeflogen. Richtig Vortrieb im Metall gab es auch nicht wirklich (ich wollte eine abgerissene Schraube ausbohren). Und was die 'automatischen Positionierung' sein soll, kann ich nicht nachvollziehen.

11.04.2024

S**.

Great for 3d printing

Bought these when i got back into 3d printing and needed to be able to precisely clearance holes in things i had printed since 99% of measurements used in 3d printing projects are metric. Well made, works well, great price, and the plastic case locks closed so you dont have to worry about them bouncing around in a bag and falling out.

15.01.2026

B**.

Decent drill bits.

Decent set. Only used a few, but they were and still are sharp. I’d recommend

10.03.2026

G**S

Good Value Bits

Solid drill bits. Great cut and very sharp. Not made for heavy use. Good value for the money.

21.12.2025

S**K

Nice set

Just what I was looking for. Hard to find millimeter bits

3.05.2026

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€ 39.51

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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

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