HSS Twist Drill Bits | M2 High Speed Steel Jobber Drill Bits | Excellent Enterprises
The Excellent Enterprises HSS Twist Drill Bits are professional-grade hole-making tools engineered for workshops, fabrication units, maintenance departments, machine shops, toolrooms, construction support teams, and engineering applications requiring accurate and reliable drilling performance. Manufactured from M2 High-Speed Steel (HSS) and designed in the versatile jobber-length format, these drill bits deliver dependable cutting performance across a broad range of engineering materials including steel, aluminium, brass, cast iron, and industrial plastics. Built for daily workshop use, repair operations, fabrication work, and general engineering drilling, they provide precision hole generation with practical durability and consistent machining performance.
Why HSS Twist Drill Bits Matter
Drilling is one of the most common machining operations across industrial environments.
Poor-quality drill bits often cause:
- Hole dimensional inaccuracy
- Drill bit breakage
- Excessive heat generation
- Rough internal hole finish
- Material grabbing
- Poor chip evacuation
- Reduced machining productivity
- Frequent tool replacement
A high-quality drill bit directly impacts machining efficiency, accuracy, and tool life.
HSS drill bits remain the preferred workshop standard because they provide:
- Reliable hardness retention
- Practical toughness under torsional load
- Good wear resistance
- Better heat tolerance than carbon steel
- Consistent general-purpose cutting performance
For engineering workshops, dependable drilling tools are essential productivity assets.
Product Selection Guide
Selecting the correct drill bit depends on workpiece material, hole depth, drilling environment, and cutting precision requirements.
118° Standard Point Drill Bits
Ideal for general-purpose drilling operations.
Best suited for:
- Mild steel
- Aluminium
- Brass
- Cast iron
- General fabrication work
- Routine workshop drilling
This geometry offers dependable performance for broad industrial applications.
135° Split Point Variants
Recommended where improved drilling control is required.
Suitable for:
- Harder engineering materials
- Stainless steel applications
- Reduced drill walking
- Lower thrust-force drilling
- Precision positioning work
Split-point geometry improves centering performance and starting accuracy.
Bright Finish Drill Bits
Preferred for non-ferrous applications where smooth cutting and chip flow are critical.
Best for:
- Aluminium
- Brass
- Soft engineering materials
- General maintenance drilling
Black Oxide / Coated Variants
Suitable for higher wear resistance and extended industrial drilling operations.
Recommended for:
- Steel drilling
- Repetitive workshop use
- Production drilling
- Industrial machining environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | HSS Twist Drill Bits |
| Material | M2 High-Speed Steel |
| Drill Format | Jobber Length |
| Shank Type | Straight Shank |
| Point Angle | 118° Standard / 135° Split Point |
| Helix Angle | 30°–35° |
| Diameter Range | 1.0mm to 13.0mm |
| Shank Tolerance | h8 |
| Finish Options | Bright / Black Oxide / TiN Coated |
| Standards | IS 5101 / DIN 338 / BS 328 |
Compatible Products
Compatible with:
- Bench Drilling Machines
- Hand Drills
- Magnetic Drilling Machines
- Drill Chucks
- Tap Sets
- Cutting Fluids
- Workshop Tool Kits
- Engineering Maintenance Tools
- Fabrication Equipment
Applications
These professional HSS twist drill bits are suitable across broad engineering and industrial drilling operations.
Recommended applications include:
General Workshop Drilling
Machine Shop Operations
Fabrication & Structural Work
Maintenance Repair Operations
Automotive Component Manufacturing
Electrical Installation Work
Construction Support Drilling
Toolroom Precision Applications
Educational Engineering Workshops
Field Maintenance Drilling
A dependable industrial drilling solution wherever precision hole generation is required.
Why Excellent Enterprises
Excellent Enterprises develops industrial engineering tools and workshop solutions focused on machining reliability, precision performance, and professional usability.
Why professionals choose Excellent Enterprises:
- Engineering tooling expertise
- Workshop-grade product quality
- Reliable machining consistency
- Multi-material drilling capability
- Practical industrial durability
- Maintenance-friendly usability
- Trusted engineering supply capability
For professional drilling operations, cutting tool quality directly impacts productivity.
FAQ
What are HSS twist drill bits used for?
HSS twist drill bits are used for drilling precise holes in metals, plastics, and engineering materials across workshop and industrial applications.
What is M2 High-Speed Steel?
M2 HSS is a professional cutting tool steel known for hardness, heat resistance, toughness, and dependable machining performance.
What is the difference between 118° and 135° drill points?
118° drill bits are standard general-purpose tools, while 135° split points improve centering accuracy and reduce thrust force.
Can these drill bits be used on steel?
Yes. These drill bits are suitable for mild steel, alloy steel, cast iron, aluminium, brass, and other engineering materials.
What does jobber length mean?
Jobber length refers to the most commonly used drill bit proportion offering a practical balance between drilling reach and rigidity.
Are these suitable for workshop maintenance use?
Yes. These drill bits are widely used in workshops, fabrication units, maintenance departments, machine shops, and industrial repair applications.
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