Additional information
| Size | No. 30 (3.26mm), No. 20 (4.09mm), No. 11 (4.85mm) |
|---|
BORDO Stub Drills Bright HSS Metric
- Stub drills (screw machine twist drills) have a shorter overall length than Twist drills for maximum rigidity and longer tool life.
- 135° Split Point (crankshaft point).
- Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust.
- They are designed primarily for machining operations in lathes (screw machines) but can also be used in manual hand held drills.
- Bordo Stub Drills have two helical flutes with 30 degrees of helix angle. This provides fast chip ejection and very stable drilling operation.
- Bright Finish Twist Drills have no surface treatment and are supplied in the as-ground condition. These tools are suitable for general purpose use, particularly for non-ferrous applications.
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Drill Bits & SetsSUTTON Jobber Drill Sets – TiNite
Sutton Tools TiNite® jobber drills are for high performance drilling. Lasts up to 6 times longer than standard HSS drill bits. For drilling metal & tougher alloy steels such as steel, stainless steel, copper, brass, aluminium & cast iron.
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