A parabolic flute design, unique point and special web construction ensure high levels of efficiency when drilling deep holes up to 25x diameter. Suitable for use in almost all engineering materials, including Stainless Steel, Carbon/Alloy Steels, Cast Iron & non-ferrous materials (Aluminium/Magnesium etc):
A920/A921 HSCo Drills, Stub Length | A900/A901 HSCo Drills, Jobber Length |
| - For single pass drilling to 3xD
- Available in bright finish (A920) or with Alcrona-top coating (A921) for extended tool life
- A920 Size range: 1.0-20.0mm, 3/64-25/32
- A921 Size range: 2.5-16.0mm, 7/64-5/8 Inch
|  | - For single pass drilling to 6xD
- Available in bright finish (A900) or with Alcrona-top coating (A901) for extended tool life
- A900 Size range: 1.0-20.0mm, 3/64-25/32 Inch
- A901 Size range: 1.5-16.0mm, 1/16-5/8 Inch
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| A940/A941 HSCo Drills, Long Series | A976/A977 & A978 HSCo Drills, Extra Length |
YouTube | - For single pass drilling to 10xD
- Available in bright finish (A940) or with Alcrona-top coating (A941) for extended tool life
- A940 Size range: 1.0-20.0mm, 3/64-25/32 Inch
- A941 Size range: 1.0-16.0mm, 3/64-5/8 Inch
|  | - For single pass drilling to 15xD A976), 20xD (A977) and 25xD (A978)
- Bright finish
- A976 Size range: 1.5-14.0mm, 1/8-1/2 Inch
- A977 Size range: 1.5-14.0mm, 1/16-11/32 Inch
- A978 Size range: 3.0-10.0mm, ¼ Inch
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For pricing and availability please visit the Dormer Pramet eShop or contact your local sales office
