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Nachi High-Performance Powdered HSS-Co Drills – SG Drill Series

Drill Series:
Diameter Range:
Workpiece Material:
Drill Material:
Drill Coating:
Coating Color:
Country of Origin:
SGESR (HSS Drill), SGESS (HSS Stub Drill)
0.5 mm to 13.0 mm
Mild Steel, Stainless Steel, Cast Iron, Aluminum
High-Grade Powder HSS
Multi-layer TiCN Coating
Champagne Gold
Japan

Features

• Longest Service Life for HSS Drills, 2-3 times of conventional HSS drills

• 4-Facet self-centering point eliminates need for center drill operations

• Premium Powdered HSS Cobalt Substrate

• Composite Multi-layer SG Coating (Tin+TiCN)

• Precision ground end mill style shank for accurate and precise drilling


Work Materials

Performance

• 40-50% more tool life than other HSS-Co drills

• Equals solid carbide drill in performance due to tough PM cobalt substrate

• Stable positioning within 0.0005″(12μm)

• Great substitute for carbide drills for short production runs

• 30 ~ 40% Cheaper than Carbide Drills

• Streamlines the process & reduces machining time dramatically

Flute Geometry of SG-ESR

SG Coating

• Specialized Film for Drill with Fine Structure
• Fine and multiple layer structures improve
rigidity and wear-resistance

SG DRILL SERIES LIST NUMBERS

7572P – Micro & Stub, Metric sizes 
7573P – Micro & Stub, Fractional, wire, letter sizes 
7574P – ESR-Regular, Metric sizes 
7575P – ESR-Regular, Fractional, wire, letter sizes 
7596P – Oil Hole, Metric sizes 
7591P – Oil Hole, Fractional sizes

SG Drill Series (Powdered HSS Cobalt Drills) – High Precision Drilling for a Wide Range of Materials

Nachi Cutting Tools – Nachi Powder HSS Drills – SG Drill Series (Like a path)

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