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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