HSS SQUARE TOOLBITS Tin Coating M42 Grade (Pack of 10)
HSS SQUARE TOOLBITS Tin Coating M42 Grade (Pack of 10) - is backordered and will ship as soon as it is back in stock.
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Description
Description

HSS Square Tool Bits TiN Coated – M42 Grade (Pack of 10)
HSS Square Tool Bits TiN Coated – M42 Grade (Pack of 10) are premium-quality cutting tool blanks manufactured from M42 Cobalt High-Speed Steel, containing approximately 8% cobalt. M42 is known for its excellent hardness, superior hot hardness, wear resistance, and cutting-edge retention, making it suitable for demanding machining applications and difficult-to-machine materials.
The TiN (Titanium Nitride) coating provides an additional hard, wear-resistant surface that helps improve tool durability and resistance to heat and abrasion. The square tool-bit shape allows the user to grind and form the cutting edge according to the required turning, facing, grooving, threading, or other machining operation.
Key Features:
- Manufactured from M42 Cobalt High-Speed Steel
- Approximately 8% Cobalt for enhanced hot hardness
- TiN (Titanium Nitride) coated
- High hardness and excellent wear resistance
- Superior heat and abrasion resistance
- Excellent cutting-edge retention
- Suitable for high-speed and heavy-duty machining
- Square section for easy customization and grinding
- Suitable for tough and work-hardening materials
- Pack of 10 pieces
Applications:
- Lathe Turning
- Facing
- Grooving
- Threading
- Parting & Slotting
- Profile cutting
- General machine-shop applications
- Heavy-duty machining
- Machining alloy steels and high-strength materials
- Suitable for difficult-to-machine and work-hardening materials
M42 HSS is particularly suitable where high cutting performance, heat resistance and wear resistance are required. Its higher cobalt content provides greater red hardness compared with conventional HSS grades.
Product Specifications:
| Specification | Details |
|---|---|
| Product Type | HSS Square Tool Bit |
| Material | High Speed Steel |
| Grade | M42 |
| Cobalt Content | Approx. 8% |
| Coating | TiN – Titanium Nitride |
| Section | Square |
| Hardness | Approx. 65–68 HRC* |
| Cutting Operations | Turning, Facing, Grooving, Threading |
| Application | Lathe & General Machining |
| Pack Quantity | 10 Pieces |
*Hardness can vary according to the manufacturer's heat-treatment specification. M42 toolbits are commonly supplied in the approximately 65–68 HRC range.
Product Benefits:
HSS Square Tool Bits TiN Coated M42 Grade offer a combination of high hardness, excellent heat resistance, superior wear resistance and long cutting life. The pack of 10 provides a convenient supply for workshops, tool rooms, maintenance departments and general machining applications.





