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Suborui OEM ODM Factory New 6mm HSS DIN338 M35 Cobalt Twist Drill Bits for Stainless Steel Metal Drilling

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Product Description

📊 Basic Information
Type:
Twist Drill Bit
Material:
High Speed Steel (HSS)
Usage:
Metal Drilling
Length:
Jobber-length
Shank:
Round
Specification:
1-20
Origin:
China
HS Code:
8207509000
🛠️ Product Description

HSS Split Point DIN338 M35 Cobalt Coating Drill Bit is engineered for high-performance metal drilling, particularly effective for hard materials like stainless steel.

Diameter (mm) Overall Length (mm) Working Length (mm)
13412
24924
36133
47543
58652
69357
811775
1013387
12151101
15169114
20205140
📋 Material Compatibility & Application
HSS Grade Iron Aluminum Carbon Steel Plastic Stainless Steel
4241YESYESNOYESNO
4341YESYESYESYESYES
6542(M2)YESYESYESYESGOOD
M35(Co 5%)YESYESYESYESVERY GOOD
🏭 Factory Precision Excellence

18 Years of Expertise: Specializing in premium metal drill bits, wood drill bits, and annular cutters. Trusted by global brands and certified to ISO9001, CE, RoHS, BSCI, and ICS standards.

Our 20,000 square meter facility houses CNC automation and advanced machining centers, ensuring precision and efficiency. Rigorous quality control underpins every product exported to North/South America, Europe, and the Middle East.

Frequently Asked Questions
What materials are these drill bits suitable for?
They are primarily designed for metal drilling, including iron, aluminum, carbon steel, and stainless steel depending on the HSS grade chosen.
Which HSS grade is best for stainless steel?
The M35 Cobalt (5%) grade is highly recommended for stainless steel as it offers superior heat resistance and durability.
What point angles are available?
The standard available point angles are 118° and 135°, suitable for various drilling precision needs.
What is the shank type of these twist drills?
These bits feature a straight round shank, which is compatible with most standard drill chucks.
What are the available surface finishes?
We offer various finishes including Black Oxide, TiN-coated, Bright, Black & Gold, and Sandblast & Polished finishes.
What quality certifications do your products have?
Our products are manufactured under ISO9001 and have obtained CE, RoHS, BSCI, and ICS certifications for global quality compliance.

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