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Cobalt Drill Bit Set, Aviation Sizes
The number sizes that matter: #30, #40, #21, #10 and #12, in cobalt.
€68
Per each, excluding VAT. Bulk pricing available on this line.
Supplied from inside the EU, so there is no import duty and no customs clearance fee on delivery to an EU address.
Specification
| Material | Cobalt (M35) |
|---|---|
| Sizes | #10, #12, #21, #30, #40 |
| Point angle | 135 degrees |
| Pieces | 15 |
About this item
Five sizes, three of each. A #40 for 3/32 in rivets, a #30 for 1/8 in, a #21 for a #8 screw, and #10 and #12 for the larger fasteners. Cobalt rather than plain HSS because stainless and titanium will work harden under a dull bit.
Where this fits
- Category: Drill Bits
- Used by: Tools for Homebuilt and Experimental Aircraft
- Want it cut into foam? Custom tool control foam
- Want it etched or serialised? Laser tool marking