Features & Benefits
- Cobalt base material for increased durability
- Self-centering split point for easier penetration
- Bronze coating for better wear resistance and lubricity
- 135 degree drill point angle
- DIN 338 drill standard
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Dormer A7778.0 NAS907J Jobber Drill, Bronze Coating, Cobalt High Speed Steel, 8 mm Head Diameter, 75 mm Flute Length Pack of 10
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Premium cobalt base material increases wear resistance and low thrust design self-centering split point for easier penetration with bronze coating surface treatment.
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What Stands Out
High-Speed Steel
Constructed from cobalt high-speed steel, these drills provide exceptional durability and resistance to wear, ensuring longer tool life and consistent performance in various materials.
Bronze Coating
The bronze coating minimizes friction and heat buildup, allowing smoother drilling operations and enhancing the drill's lifespan while delivering superior cutting performance.
Precision Design
With an 8 mm head diameter and 75 mm flute length, these jobber drills are specifically designed for precise drilling applications, catering to both professionals and DIY enthusiasts seeking reliability and accuracy.
Product Details
| Material | Cobalt High Speed Steel |
| Cutting Diameter | 8 Millimeters |
| Finish Type | Bronze |
| Shank Type | Straight |
| Cutting Angle String | 135 Degrees |
| Product Dimensions | 0.48 x 0.16 x 1.57 inches (1.2 x 0.4 x 4 cm); 0.01 ounces (0.28 grams) |
Who Should Buy?
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Metalworking Professionals
Ideal for machinists and fabricators, offering excellent durability and precision for drilling in hard metals.
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Heavy Industrial Use
Great for industrial applications requiring high-speed steel drills that maintain performance under extreme conditions.
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Hobbyist Engineers
Perfect for DIY enthusiasts who need reliable tools for various metalworking projects at home or in workshops.
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Soft Material Users
Less effective for soft materials like wood or plastic, which require different drill bit types for best results.
Product Description
Dormer A7778.0 NAS907J Jobber Drill, Bronze Coating, Cobalt High Speed Steel, 8 mm Head Diameter, 75 mm Flute Length Pack of 10
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Customer Questions & Answers
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Question:
What is the drill point angle?
Answer: The drill point angle is 135 degrees. -
Question:
What is the material of the drill?
Answer: The material of the drill is cobalt high-speed steel. -
Question:
What is the surface treatment of the drill?
Answer: The surface treatment of the drill is bronze coating for increased wear resistance and lubricity.
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