Name: Dormer A777 HSS-E Cobalt Jobber Drill Bits
Brand: DORMER
SKU: a77785
Availability: InStock

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Description

The Dormer A777 drill bits are designed for both professional and industrial use, offering reliable performance in high-stress environments. The 135° split point design reduces walking and ensures precise drilling, while the HSS-E cobalt construction extends tool life and maintains sharpness longer, even at high temperatures. Constructed from high-speed steel with 8% cobalt, these drill bits offer exceptional hardness, heat resistance, and wear resistance, making them ideal for demanding applications. Features & Benefits • High speed cobalt steel • Standard spiral flute design • DIN338 • Bronze finish • NAS907J • Right hand rotation/cutting • 135° point angle Specifications • Diameter: 8.5mm • Overall Length: 117mm • Quantity: 10

Full specifications

Marque	DORMER
Référence fabricant	a77785
EAN	7320760375594

Overview of the Dormer A777 HSS-E Cobalt Jobber Drill Bits

When it comes to Informatique, the Dormer A777 HSS-E Cobalt Jobber Drill Bits by DORMER is a reference that savvy buyers know well. Its value for money in 2026 deserves particular attention, especially given its availability across many retailers and the brand's strength in the market. Our comparison tool lets you view all available offers in real time, with or without free delivery, and click directly on the offer of your choice.

What makes the Dormer A777 HSS-E Cobalt Jobber Drill Bits stand out in 2026

This product stands out for the build quality that is characteristic of the DORMER brand. Users particularly appreciate its reliability in daily use and how easy it is to get started right from the first use. The design, intended for regular use, ensures satisfying durability, and the balance between the features offered and the asking price is well received by buyers. DORMER has a strong reputation in the Informatique category, which makes it easy to access after-sales service and the manufacturer warranty when needed. You can also compare with the Dormer A100 HSS Jobber Drill Bit to refine your choice.

Performance and key features

In the Informatique category, buyers pay close attention to declared performance and build quality. The Dormer A777 HSS-E Cobalt Jobber Drill Bits meets these expectations with technical specifications that reflect DORMER's positioning on this segment. The key features, available in the spec sheet on this page, allow you to verify this product matches your needs before finalising your purchase. Also compare with the Dormer A100 HSS Jobber Drill Bit from the same brand to refine your decision.

Design and ease of use

The Dormer A777 HSS-E Cobalt Jobber Drill Bits is generally described as intuitive by users in the Informatique category. DORMER designed this product to be accessible from the first use, whether you are a beginner or an experienced user in this range.

Market price ranges in 2026

Range	Indicative price	For whom	What you get
Entry-level	Under 3210 £	Tight budget, occasional use	Essential features, reliable for beginners
Mid-range	3210 £ to 7490 £	Regular daily use	Good value for money, solid performance
High-end	Over 7490 £	Demanding users	The best of the category, all advanced features

To find the Dormer A777 HSS-E Cobalt Jobber Drill Bits at the best price today, compare all available offers on Compiral. Our comparison tool updates prices several times a day to ensure you get the lowest rate from our partner retailers. Remember to activate the free delivery filter to reduce the total cost of your purchase. Also check the estimated delivery time at each retailer, which can vary considerably from one shop to another.

Frequently asked questions about Dormer A777 HSS-E Cobalt Jobber Drill Bits

Is the Dormer A777 HSS-E Cobalt Jobber Drill Bits worth its price in 2026?

In 2026, the Dormer A777 HSS-E Cobalt Jobber Drill Bits is listed from £153.9 at our partner retailers. This price is consistent with the positioning of DORMER in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.

What warranty does the Dormer A777 HSS-E Cobalt Jobber Drill Bits come with?

The Dormer A777 HSS-E Cobalt Jobber Drill Bits generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from DORMER, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.

Is the Dormer A777 HSS-E Cobalt Jobber Drill Bits in stock?

Stock availability for the Dormer A777 HSS-E Cobalt Jobber Drill Bits is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.

Where can I buy the Dormer A777 HSS-E Cobalt Jobber Drill Bits at the best price?

To buy the Dormer A777 HSS-E Cobalt Jobber Drill Bits at the best price, compare all available offers in our table at the top of this page. The 2 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.

How does the Dormer A777 HSS-E Cobalt Jobber Drill Bits compare to competitors in the Informatique category?

In the Informatique category, the Dormer A777 HSS-E Cobalt Jobber Drill Bits occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.