500550 Imperial HSS Jobber Drills 1/16" ~ 1/2" - Pro Series Range
Alpen Pro Series HSS Imperial Jobber drills are European made and precision ground from solid, high quality steel. Designed for professional use they are fast and drill highly accurate, precise holes within tight tolerances with high rotational accuracy. Featuring a unique split point, no centre punching is required and need far less feed pressure to cut. They have double normal service life and drill fast due to the split point technology. View our product demonstration video.
• Special split point: - No centre punching required, less feed pressure needed
• Precision ground
• High quality steel grade
• Special Split point
• Double normal service life
• Designed for high precision cutting
• Precision ground
• High quality steel grade
• Special Split point
• Double normal service life
• Designed for high precision cutting
• Ideal for drilling steel, structural steel, free cutting steels, grey cast iron, malleable cast iron, copper, brass and aluminium
• Suitable for Unalloyed heat treatable steels and plastics
• Suitable for Unalloyed heat treatable steels and plastics
| Size | Pack Type | 630 Y Overall Length | 640 Y Working Length (WL) | Code |
|---|---|---|---|---|
| 3/64" (1.191mm) |
|
|||
| 1/16" (1.588mm) |
|
|||
| 5/64" (1.984mm) |
|
|||
| 3/32" (2.381mm) |
|
|||
| 7/64" (2.778mm) |
|
|||
| 1/8" (3.175mm) |
|
|||
| 9/64" (3.572mm) |
|
|||
| 5/32" (3.969mm) |
|
|||
| 11/64" (4.366mm) |
|
|||
| 3/16" (4.763mm) |
|
|||
| 13/64" (5.159mm) |
|
|||
| 7/32" (5.556mm) |
|
|||
| 15/64" (5.953mm) |
|
|||
| 1/4" (6.35mm) |
|
|||
| 17/64" (6.747mm) |
|
|||
| 9/32" (7.144mm) |
|
|||
| 19/64" (7.541mm) |
|
|||
| 5/16" (7.938mm) |
|
|||
| 21/64" (8.334mm) |
|
|||
| 11/32" (8.731mm) |
|
|||
| 23/64" (9.128mm) |
|
|||
| 3/8" (9.525mm) |
|
|||
| 25/64" (9.922mm) |
|
|||
| 13/32" (10.319mm) |
|
|||
| 27/64" (10.716mm) |
|
|||
| 7/16" (11.113mm) |
|
|||
| 1/2" (12.7mm) |
|