Walter Ewag AG
Walter CNC Grinders
High-precision grinding stations for complex carbide tooling geometry.
Carbide Drills
Solid Carbide Drills
High-performance drilling for accuracy and efficiency. German geometry standards, Swiss Balzers coatings, Walter CNC precision grinding, ZOLLER inspection.
ANCA Precision
ANCA Multi-Axis Grinders
Advanced multi-axis grinding for repeatable, high-volume output.
ZOLLER Metrology
ZOLLER Inspection
Tool measurement and inspection for micron-level accuracy on every batch.
Balzers BALINIT®
Oerlikon Balzers Coating
Swiss-standard PVD coatings via Oerlikon Balzers for demanding applications.
Coolant Thru Drills
Carbide Coolant Thru Drills
Internal coolant delivery for heat control and chip evacuation
Solid carbide drills with internal coolant channels engineered following proven German geometry standards. Available in depth ratios from 3D to 25D for deep-hole drilling in demanding materials.
Technical Specifications
| Depth Ratio | 3D · 5D · 8D · 12D · 15D · 20D · 25D |
| Diameter Range | 3–20 mm |
| Hole Tolerance | −0.010 to −0.000 mm |
| Carbide Hardness | HRA 92.5+ |
| Point Geometry | 140° / Custom |
| Coating | TiSiN / BALINIT PERTURA |
Key Features
- German-Engineered Design
- Internal coolant delivery
- Premium Oerlikon Balzers coating
- Custom point geometry available
- Walter CNC precision grinding
Applications
Automotive ComponentsDeep-Hole DrillingMold & DieAerospace
Full Size Range
Browse All Depths & Diameters →
3D · 5D · 8D · 12D · 15D · 20D · 25D | ø3–20mm | Individual SKU pages
Solid Carbide Drills
Solid Carbide Drills
Rigid, precise drilling for consistent hole quality
Cost-effective equivalent to Sandvik / Gühring / Walter solid carbide drills. Multiple point geometries, coated and uncoated options for general precision machining.
Technical Specifications
| Depth Ratio | 3D · 5D · 8D |
| Diameter Range | 0.5–25 mm |
| Hole Tolerance | −0.010 to −0.000 mm |
| Carbide Hardness | HRA 92.5+ |
| Point Geometry | 140° / Custom |
| Coating | TiSiN / BALINIT |
Key Features
- Gühring-aligned geometry logic
- Premium micro-grain carbide substrate
- Walter grinding machines
- ZOLLER metrology inspection
- Sandvik/Balzers coating routes
Applications
Automotive ComponentsGeneral Precision MachiningMold & Die
Full Size Range
Browse All Depths & Diameters →
3D · 5D · 8D | ø3–20mm | Individual SKU pages
Modular Drills
Modular Drills
Flexible configurations for fast changeovers and cost control
Replaceable-tip modular drill system for high-volume production. Multiple diameter ranges with quick setup adjustments minimize downtime and tooling costs.
Technical Specifications
| System Type | Replaceable tip |
| Depth Ratio | 3D · 5D |
| Diameter Range | 12–50 mm |
| Shank Type | Cylindrical / HSK |
| Runout | < 0.005 mm |
| Tip Material | Solid carbide |
Key Features
- Replaceable carbide tips
- Multiple diameter configurations
- Quick setup adjustments
- Coolant-through capable
- Reduced tooling inventory cost
Applications
High-Volume ProductionAutomotiveGeneral Engineering
Full Size Range — Inserts & Shanks
Browse All Diameters & Depth Ratios →
3D · 5D · 8D · 10D | ø10–32mm | HCD Inserts + Shank SKU pages
Step Drills
Step Drills
Multiple diameter steps in a single tool
Carbide step drills combining multiple operations in one pass. Reduce tool changes and cycle time for multi-diameter hole features.
Technical Specifications
| Steps | 2–4 per tool |
| Diameter Range | 3–30 mm |
| Tolerance | H7 / H8 |
| Coating | TiAlN / TiSiN |
| Point Angle | 118° / 140° |
| Material | Solid carbide |
Key Features
- Multiple diameters in one pass
- Reduces tool changes
- Precise depth control per step
- Custom step configurations
- Coated for extended life
Applications
Multi-Diameter FeaturesCountersinkingSpotting
Straight Flute Drills
Straight Flute Drills
Zero helix angle for precise hole positioning
Zero-helix carbide drills for precise hole positioning in brittle or breakthrough-prone materials. Reduced cutting forces and drill walk.
Technical Specifications
| Helix Angle | 0° (straight) |
| Diameter Range | 1–20 mm |
| Point Angle | 118° / 130° |
| Coating | TiN / TiAlN |
| Shank | Cylindrical |
| Material | Solid carbide |
Key Features
- Zero helix for precise positioning
- Reduced drill walk
- Suitable for thin-wall parts
- Excellent for composite materials
- Sharp, clean hole entry
Applications
CompositesThin-Wall ComponentsCircuit BoardsBrass
Flat Bottom Drills
Flat Bottom Drills
Flat point geometry for consistent seating and clean edges
Carbide flat-bottom drills for producing flat-bottomed holes, chamfering, deburring, and precise countersinking in one operation.
Technical Specifications
| Point Geometry | Flat (180°) |
| Diameter Range | 3–25 mm |
| Tolerance | H7 |
| Coating | TiAlN / Uncoated |
| Shank | Cylindrical |
| Application | Flat-bottom holes |
Key Features
- Flat point for flat-bottom holes
- Chamfering and deburring
- Consistent seating surfaces
- Reduced secondary operations
- Sharp cutting edges
Applications
Flat-Bottom HolesSpot FacingChamferingMold & Die
Material Compatibility
Drill Application Matrix
ISO material group suitability for each drill product line.
| Product | P | M | K | N | S | H |
|---|---|---|---|---|---|---|
| Carbide Coolant Thru Drills | ||||||
| Solid Carbide Drills | ||||||
| Modular Drills | ||||||
| Step Drills | ||||||
| Straight Flute Drills | ||||||
| Flat Bottom Drills |
Optimal
Secondary
—Not recommended
Case Study
Crankshaft Oil Hole Drilling
Deep oil-hole drilling (10xD+) on forged steel crankshafts — chip jamming and unstable exit quality were costing 800 holes per tool change.
800
Holes (before)
1,720
Holes with Solid Carbide Direct
115% longer tool life