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Dormer Pramet
HSCo Deep Hole Drills

HSCo Deep Hole Drills

Product catalog summary

Features & Benefits
The document outlines the features of high-performance HSCo deep hole drills made from cobalt alloyed high-speed steel, known for enhanced machinability due to increased hot hardness and toughness. These drills are available with a bright finish and a Smooth-Flow coating that reduces friction and improves chip evacuation, extending tool life. The parabolic flute design with a quick helix increases chip space, aiding in swarf breaking and transportation, allowing for deeper hole drilling without pecking up to 10xD. The thicker web design enhances drill rigidity, minimizing breakage risk. Drills come with a parallel shank and are available in various lengths and sizes, including metric and fractional sizes.

Specifications
The drills are categorized into different ranges based on hole depth suitability: A920 and A921 for up to 3xD, A900 and A901 for up to 6xD, A940 and A941 for up to 10xD, and A976, A977, and A978 for up to 15xD. The recommended tool holding method is using ER collets.

Customer Benefits
The drills enable deep hole drilling without pecking, reducing cycle time and increasing productivity across various materials. The Smooth-Flow coating and parabolic flute geometry ensure efficient chip evacuation and continuous production, resulting in exceptional tool life and consistent hole quality. The low thrust force reduces power requirements.

Performance Comparison
A graph compares the wear of the new Dormer A901 Smooth-Flow coated drill against the old Dormer A577 TiAlN coated drill and two competitors. The A901 drill cuts twice as many holes as the nearest competitor under the same conditions.

Application Material Groups
The document lists various application material groups, including steel, stainless steel, cast iron, titanium, nickel, copper, aluminum, synthetic materials, and hard materials, with specific hardness and tensile strength values provided for each group.

Drill Sizes and Codes
Detailed tables provide the sizes, dimensions, and corresponding e-Codes for each drill type, including A920, A921, A900, and others, specifying both metric and inch measurements.

Overview
The document is a technical catalog for Dormer Tools, detailing specifications for various drill products, including extra length drills. It includes product codes, dimensions, and contact information for Dormer Tools' international offices.

Specifications
The document lists drill specifications in tables, providing measurements in both inches and millimeters. Key parameters include diameter (d1), length (l1 and l2), and corresponding e-Codes for product identification.

Product Codes
Each drill size is associated with a unique e-Code, which helps in identifying and ordering the correct product.

Standards
Some products adhere to the Dormer Standard, which is noted in the document. This standard ensures consistency in groove and total length.

Contact Information
The document provides detailed contact information for Dormer Tools' offices worldwide, including phone numbers, fax numbers, and email addresses for customer service in various regions.

International Presence
Dormer Tools has a global presence with offices in the UK, France, Netherlands, Austria, Italy, Spain, Belgium, Germany, Sweden, Finland, Norway, Denmark, Greece, Brazil, Canada, USA, Australia, New Zealand, Singapore, China, India, South Africa, and Argentina. Each office is responsible for specific regions and countries.

Catalog excerpts

The Right Tool at the Right Time High Performance HSCo Deep Hole Drills

Open the catalog to page 1

2 Features&Benefits Material HSCo cobalt alloyed high-speed steel substrate, chosen for its properties of increased hot hardness and toughness to give good machinability. Surface Treatment Available in bright finish on all lengths and with Smooth-Flow coating on lengths to DIN 1897, DIN 338 and DIN 340. Smooth-Flow reduces the coefficient of friction, resulting in efficient chip evacuation and as a consequence, extended tool life. Flute Geometry The parabolic flute design with quick helix increases chip space and assists in breaking the swarf and facilitating its transportation along the flutes...

Open the catalog to page 2

3 CustomerBenefits Deep hole drilling without the need for pecking up to 10 x D - reduced cycle time. High levels of productivity across a wide range of materials. Efficient chip evacuation, assisted by parabolic flute geometry and Smooth-Flow coating, results in continuous production process. Exceptional tool life, in particular on the Smooth-Flow coated ranges. Consistent hole size and hole quality. Low thrust force means reduced power requirements. The graph compares the wear on the new Dormer A901 Smooth-Flow coated drill, the old Dormer A577 TiAlN coated drill and 2 competitors’ coated drills....

Open the catalog to page 3

The Right Tool at the Right Time Dormer Tools Morse Way Waverley Sheffield S60 5BJ United Kingdom T: 0870 850 44 66 F: 0870 850 88 66 Email: [email protected] Dormer Tools International Morse Way Waverley Sheffield S60 5BJ United Kingdom T: +44 114 2933838 F: +44 114 2933839 Email: [email protected] Dormer Tools B.P 6209 45062 Orleans Cedex 2 France - France T: +33 (0)2 38 41 40 15 F: +33 (0)2 38 41 40 30 Email: [email protected] Dormer Tools ‘s-Gravelandsweg 401 NL-3125 BJ Schiedam Netherlands - Nederland T: +31 10 2080 240 F: +31 10 2080 282 Email: [email protected]...

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