Suborui HSS Counterbore Twist Step Drill 90 180 Degree Cobalt-Containing HSS M3 M4 M5 M6 M8 M10 M12 Metal Drilling Chamfer Step Drill Bit

Price $1.90 Compare
Min Order 200 Pieces
Availability In Stock
Shipping From Jiangsu, China
Popularity 410 people viewed
Quantity
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Jiangsu Borui Tools Co., Ltd.

VIP   Audited Supplier 5 years
Profile Certified by SGS/BV
  • Jiangsu, China
  • Abby (Ms.)  
Customized
DIN
Metric
Twist Drill Bit
High Speed Steel
Wood Drilling, Metal Drilling
SUBORUI
Sea/Air/Express
1-13mm
China
8207509000
Product Description
SUBORUI Woodworking Pocket Hole Step Drill Bit 3/8 Inch Drill for Pocket Holes







Product Description
 
Product Name
HSS Step Drill Bit For Metal Stainless Steel Aluminium Drilling
Material
HSS 
Process
Fully Ground 
Standard
DIN8376
Point Angle
90/180 Degree 
Shank Type
Round Shank (Hex Shank are Available)
Surface Finish
Bright (Black Oxide are Available)
Package
in PVC Pouch, Plastic Box, Individually in Skin Card, Double Blister, Clamshell, Metal Box
Features
Made specifically for Pocket-Screw Joinery.
Specialized stepped bit drills guide hole for screw.
High quiality hardened steel for longevity.
 
Application
HSS Grade
Iron
Aluminum
Carbon Steel
Tile
Plastic
Stainless Steel
4241
YES
YES
NO
NO
YES
NO
4341YESYESYESNOYESYES
6542(M2)
YES
YES
YES
NO
YES
GOOD
M35 (Co 5%)
YES
YES
YES
NO
YES
VERY GOOD

Twist Drill Factory: 18 Years of Precision Excellence

With 18 years of expertise, our twist drill factory specializes in premium metal drill bits, wood drill bits, and annular cutters,
trusted by global brands. Certified to ISO9001, CE, RoHS, BSCI, and ICS standards, plus multiple industry-specific
certifications, we guarantee unmatched quality and compliance.

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

Choose a partner built on innovation, scale, and reliability. Elevate your projects with drills engineered to
outperform.

Contact us to source world-class drilling solutions!

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