Drills
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Special Drill Geometries for Diverse Applications
Our Drills perform efficiently in even the harshest cutting environments.With excellent hardness and wear resistance.
Special Drill Geometries by GTW
S Geometry
Application:
High Performance Convex Cutting-edge Drill Geometry, suitable for drilling in all kinds of Steels, Cast iron (Lamellar, Spheroidal and Malleable)
Features of S Geometry
| Self-centering geometry |
| Active chisel edge optimum chips. |
| Reinforced core and wide chip space |
| Helps reduce cutting forces |
| Convex edge distributes cutting forces more evenly |
| Produce a smoother hole finish |
| Spiral flute |
| With and without internal coolant |
| Single and double margin |
| L/D Ratio – Up to 12 |
| Diameter Range – 1mm to 20mm |
| Point Angle – 135° to 142° |
| PVD Coated – as per application |
| Cylindrical Shank – DIN 6535 HA/HB/HE |
Application Material for S Geometry
| 1.1.1 | Machining Steel |
|---|---|
| 1.1.2 | |
| 1.2.1 | Construction Steel |
| 1.2.2 | |
| 2.1.1 | Cementation Steel |
| 2.1.2 | |
| 2.1.3 | |
| 2.2.1 | Nitriding Steel |
| 2.2.2 | |
| 2.3.1 | Tempered Steel |
| 2.3.2 | |
| 2.3.3 | |
| 2.3.4 | |
| 2.3.5 | |
| 3.1.1 | Unalloyed Tool Steel |
| 3.2.1 | Tool Steel For Cold Working |
| 3.2.2 | |
| 3.2.3 | |
| 3.3.1 | Tool Steel For Hot Working |
| 3.3.2 | |
| 3.3.3 | |
| 3.3.4 | |
| 3.3.5 | |
| 5.1.1 | Conventional Cast Steel |
| 5.1.2 | |
| 5.1.3 | |
| 6.1.1 | Lamellar Graphite Cast Iron |
| 6.1.2 | |
| 6.1.3 | |
| 6.1.4 | |
| 6.2.1 | Spheroidal Cast Iron |
| 6.2.2 | |
| 6.2.3 | |
| 6.3.1 | White Malleable Cast Iron |
| 6.3.2 | |
| 6.4.1 | Black Malleable Cast Iron |
| 6.4.2 | |
B Geometry
Application:
High Performance B Drill Geometry, suitable for drilling of short chipping aluminum and non-ferrous metals, cast iron, grey cast iron and drilling hole in reaming quality.
Features of B Geometry
| 2 straight cutting edges |
| Ex-cellent inherent centring |
| Drill and ream in single tool |
| Burnishing pad |
| Right hand cut |
| With and without internal coolant holes |
| Single and double margin |
| L/D Ratio – Up to 12 |
| Diameter Range – 3mm to 20mm |
| Point Angle –118°-142° |
| PVD Coated – As per application |
| High flute polish – tool can be used without coating too |
| Cylindrical Shank – DIN 6535 HA/HB/HE |
Application Material for B Geometry
| 6.1.1 | Lamellar Graphite Cast Iron |
|---|---|
| 6.1.2 | |
| 6.2.1 | Spheroidal Cast Iron |
| 6.2.2 | |
| 6.3.1 | Spheroidal Cast Iron |
| 6.3.2 | |
| 6.4.1 | Black Malleable Cast Iron |
| 6.4.2 | |
| 7.1.4 | Aluminium |
| 7.1.5 | |
| 7.1.6 | |
WF Geometry
Application:
High Performance WF Drill Geometry, suitable for drilling in all kinds of steels, stainless steel, and Titanium.
Features of WF Geometry
| Self-centering geometry. |
| Reduced cutting forces. |
| Spiral flute. |
| With and without internal coolant. |
| Single and double margin. |
| L/D Ratio – Up to 6 |
| Diameter Range – 3mm to 25mm |
| Point Angle – 135° to 142° |
| PVD Coated – as per application |
| Cylindrical Shank – DIN 6535 HA/HB/HE |
Application Material for WF Geometry
| 1.1.1 | Maching Steels |
|---|---|
| 1.1.2 | |
| 1.2.1 | Constructional Steel |
| 1.2.2 | |
| 1.2.3 | |
| 2.1.1 | Cementation Steel |
| 2.1.2 | |
| 2.1.3 | |
| 2.2.1 | Nitriding Steel |
| 2.2.2 | |
| 2.3.1 | Tempered Steel |
| 2.3.2 | |
| 2.3.3 | |
| 2.3.4 | |
| 4.1.1 | Stainless Steel |
| 4.1.2 | |
| 4.1.3 | |
| 4.1.4 | |
| 4.1.5 | |
| 5.1.1 | Conventional Cast Steel |
| 5.1.2 | |
| 5.1.3 | |
| 5.2.1 | Stainless Cast Steel |
| 5.2.2 | |
| 6.1.1 | Lamellar Graphite Cast Iron |
| 6.1.2 | |
| 6.1.3 | |
| 6.1.4 | |
| 6.2.1 | Spherodial Cast Iron |
| 6.2.2 | |
| 6.2.3 | |
| 6.3.1 | White Malleable Cast Iron |
| 6.3.2 | |
| 6.4.1 | Black Malleable Cast Iron |
| 6.4.2 | |
| 7.8.1 | Titanium |
| 7.8.2 | |
| 7.8.3 |
F Geometry
Application:
High Performance 4 Facet Drill Geometry, suitable for drilling in all kinds of steels, few type of cast iron (Lamellar, Spheroidal and Malleable) and Titanium.
Features of F Geometry
| Self-centering geometry |
| Reduced cutting forces |
| Straight main cutting edge |
| Spiral flute |
| With and without internal coolant |
| Single and double margin |
| L/D Ratio - Up to 8 |
| Diameter Range - 3mm to 25mm |
| Point Angle - 135° to 142° |
| PVD Coated - as per application |
| Cylindrical Shank - DIN 6535 HA/HB/HE |
Application Material for F Geometry
| 4.1.1 | Stainless Steel |
|---|---|
| 4.1.2 | |
| 4.1.3 | |
| 4.1.4 | |
| 4.1.5 | |
| 5.2.1 | Stainless Cast Steel |
| 5.2.2 | |
| 6.1.4 | Lamellar Graphite Cast Iron |
M Geometry
Application:
High Performance M Drill Geometry, suitable for drilling in all kinds of steels, stainless steel, superalloys, nickel alloys and hardened steel.
Features of M Geometry
| High cutting parameters |
| Reduced cutting forces |
| Prevent excessive rubbing and friction |
| Spiral flute |
| With and without internal coolant |
| Single and double margin |
| L/D Ratio - Up to 8 |
| Diameter Range - 3mm to 25mm |
| Point Angle - 135° to 142° |
| PVD Coated - as per application |
| Cylindrical Shank - DIN 6535 HA/HB/HE |
Application Material for M Geometry
| 1.1.1 | Maching Steels |
|---|---|
| 1.1.2 | |
| 1.2.1 | Constructional Steel |
| 1.2.2 | |
| 1.2.3 | |
| 2.1.1 | Cementation Steel |
| 2.1.2 | |
| 2.1.3 | |
| 2.2.1 | Nitriding Steel |
| 2.2.2 | |
| 2.3.1 | Tempered Steel |
| 2.3.2 | |
| 2.3.3 | |
| 2.3.4 | |
| 2.3.5 | |
| 2.3.6 | |
| 3.2.1 | Unalloyed Tool Steel |
| 3.2.1 | Tools Steel for cold working |
| 3.2.2 | |
| 3.2.3 | |
| 3.2.4 | |
| 3.2.5 | |
| 3.3.1 | Tools Steel for Hot workin |
| 3.3.2 | |
| 3.3.3 | |
| 3.3.4 | |
| 3.3.5 | |
| 4.1.1 | Stainless Steel |
| 4.1.2 | |
| 4.1.3 | |
| 4.1.4 | |
| 4.1.5 | |
| 4.2.1 | Heat Resistant Alloys |
| 4.2.2 | |
| 4.2.3 | |
| 4.2.4 | |
| 5.1.1 | Conventional Cast Steel |
| 5.1.2 | |
| 5.1.3 | |
| 5.2.1 | Stainless Cast Steel |
| 5.2.2 | |
| 7.7.1 | Nickel |
| 7.7.2 | |
| 7.8.1 | Titanium |
| 7.8.2 | |
| 7.8.3 |
J Geometry
Application:
High Performance J Drill Geometry, suitable for drilling of steel in general, cast iron, gray cast iron, white and black malleable cast iron.
Features of J Geometry
| Spiral flute |
| Excellent inherent centring |
| Reduced cutting forces |
| High wear resistance |
| Performance at high temperatures |
| Efficient chip removal |
| Right hand cut |
| With and without internal coolant holes |
| Single and double margin |
| L/D Ratio – Up to 5 |
| Diameter Range – 3mm to 20mm |
| Point Angle – 135°-142° |
| PVD Coated – As per application |
| Cylindrical Shank – DIN 6535 HA/HB/HE |
Application Material for J Geometry
| 1.1.1 | Machining Steel |
|---|---|
| 1.1.2 | |
| 1.2.1 | Construction Steel |
| 1.2.2 | |
| 1.2.3 | |
| 1.3.1 | Spring Steel |
| 1.3.2 | |
| 1.3.3 | |
| 2.1.1 | Hardened Steel |
| 2.1.2 | |
| 2.1.3 | |
| 2.2.1 | Nitriding Steel |
| 2.2.2 | |
| 2.3.1 | Tempered Steel |
| 2.3.2 | |
| 2.3.3 | |
| 2.3.4 | |
| 2.3.5 | |
| 2.3.6 | |
| 3.1.1 | Unalloyed Tool Steel |
| 3.2.1 | Tool Steel For Cold Working |
| 3.2.2 | |
| 3.2.3 | |
| 3.2.4 | |
| 3.2.5 | |
| 3.3.1 | Tool Steel For Hot Working |
| 3.3.2 | |
| 3.3.3 | |
| 3.3.4 | |
| 3.3.5 | |
| 4.1.1 | Stainless Steel |
| 4.1.2 | |
| 4.1.3 | |
| 4.1.4 | |
| 4.1.5 | |
| 5.1.1 | Conventional Cast Steel |
| 5.1.2 | |
| 5.1.3 | |
| 5.2.1 | Stainless Cast Steel |
| 5.2.2 | |
| 6.1.1 | Lamellar Graphite Cast Iron |
| 6.1.2 | |
| 6.1.3 | |
| 6.1.4 | |
| 6.2.1 | Spheroidal Cast Iron |
| 6.2.2 | |
| 6.2.3 | |
| 6.3.1 | White Malleable Cast Iron |
| 6.3.2 | |
| 6.4.1 | Black Malleable Cast Iron |
| 6.4.2 |
N Geometry
Application:
High Performance N Drill Geometry, suitable for drilling of aluminium and non-ferrous heavy metals, and non-ferrous light metals, abrasive and plastic.
Features of N Geometry
| Spiral flute |
| Inherent centring |
| Right hand cut |
| With and without internal coolant holes |
| Single and double margin |
| Improved hole quality and dimensional accuracy |
| L/D Ratio – Up to 12 |
| Diameter Range – 1mm to 16mm |
| Point Angle – 118°-142° |
| PVD Coated/un-coated – As per application |
| Cylindrical Shank – DIN 6535 HA/HB/HE |
Application Material for N Geometry
| 7.1.1 | Aluminium |
|---|---|
| 7.1.2 | |
| 7.1.3 | |
| 7.1.4 | |
| 7.1.5 | |
| 7.1.6 | |
| 7.2.1 | Magnesium |
| 7.2.2 | |
| 7.3.1 | Copper |
| 7.3.2 | |
| 7.3.3 | |
| 7.3.4 | |
| 7.3.5 | |
| 7.3.6 | |
| 7.4.1 | CnZn (Brass) |
| 7.4.2 | |
| 7.5.1 | CuSn (Bronze) |
| 7.5.2 | |
| 7.7.1 | Nickel |
| 7.7.2 | |
| 7.8.1 | Titanium |
| 7.8.2 | |
| 7.8.3 | |
| 8.1.1 | Thermoplast |
| 8.2.1 | Duroplast |
X Geometry
Application:
High Performance X Drill Geometry, suitable for Drilling into alloyed steel, cast iron, Gray cast iron, White and black malleable cast iron, stainless and acid-resistant steel.
Features of X Geometry
| 30° Spiral flute |
| Excellent inherent centring |
| Reduced cutting forces |
| Right hand cut |
| Excellent for Deep-hole drilling operations |
| Excellent wear resistance |
| With and without internal coolant holes |
| Double margin |
| L/D Ratio – Up to 30 |
| Diameter Range – 3mm to 12mm |
| Point Angle – 135° |
| PVD Coated – As per application |
| Cylindrical Shank – DIN 6535 HA/HB/HE |
Application Material for X Geometry
| 1.1.1 | Machining Steel |
|---|---|
| 1.1.2 | |
| 1.2.1 | Construction Steel |
| 1.2.2 | |
| 1.2.3 | |
| 2.1.1 | Cementation Steel |
| 2.1.2 | |
| 2.1.3 | |
| 2.2.1 | Nitriding Steel |
| 2.2.2 | |
| 2.3.1 | Tempered Steel |
| 2.3.2 | |
| 2.3.3 | |
| 2.3.4 | |
| 2.3.5 | |
| 3.1.1 | Unalloyed Tool Steel |
| 3.2.1 | Tool Steel For Cold Working |
| 3.2.2 | |
| 3.3.1 | Tool Steel For Hot Working |
| 4.1.1 | Stainless Steel |
| 4.1.2 | |
| 4.1.3 | |
| 4.1.4 | |
| 4.1.5 | |
| 5.1.1 | Conventional Cast Steel |
| 5.1.2 | |
| 5.1.3 | |
| 5.2.1 | Stainless Cast Steel |
| 5.2.2 | |
| 6.1.1 | Lamellar Graphite Cast Iron |
| 6.1.2 | |
| 6.1.3 | |
| 6.1.4 | |
| 6.2.1 | Spheroidal Cast Iron |
| 6.2.2 | |
| 6.2.3 | |
| 6.3.1 | White Malleable Cast Iron |
| 6.3.2 | |
| 6.4.1 | Black Malleable Cast Iron |
| 6.4.2 |
L Geometry
Application:
High Performance L Drill Geometry, suitable for Drilling into Non-ferrous metals like, Aluminium, Copper, Brass and Bronze.
Features of L Geometry
| 15° Spiral flute |
| Reduced cutting forces |
| Right hand cut |
| Optimize chip removal |
| Improves cycle times and efficiency |
| High-quality, accurate holes even at greater depths |
| Excellent wear resistance |
| With and without internal coolant holes |
| Double margin |
| L/D Ratio – Up to 30 |
| Diameter Range – 2mm to 12mm |
| Point Angle – 135° |
| PVD Coated – As per application |
| Cylindrical Shank – DIN 6535 HA/HB/HE |
Application Material for L Geometry
| 7.1.1 | Aluminium |
|---|---|
| 7.1.2 | |
| 7.1.3 | |
| 7.1.4 | |
| 7.1.5 | |
| 7.1.6 | |
| 7.3.1 | Copper |
| 7.3.2 | |
| 7.3.3 | |
| 7.3.4 | |
| 7.3.5 | |
| 7.3.6 | |
| 7.4.1 | CnZn (Brass) |
| 7.4.2 | |
| 7.5.1 | CuSn (Bronze) |
| 7.5.2 |
Key Advantages of GTW's Special Drill Geometries
01
Customizable Designs:
Each drill geometry is tweaked to match the specific application requirements and machining conditions, ensuring maximum efficiency and tool performance.
02
Optimized Cutting Speeds and Feed Rates:
Focuses on achieving higher feed rates and optimized cutting speeds to enhance productivity while maintaining tool life and workpiece quality.
03
Industry-Specific Solutions:
From the precision required in aerospace and electronics to the robustness needed in mining and automotive, GTW's drill geometries offer versatile solutions across a wide range of industries.
