Bright (uncoated)





2nd Stage Rotary Burr for Broken Bolt Removal, 150° Countersink
Material ID: 7806120
150° Countersink burr, diameter 10.7mm with 50mm overall length and 6mm shank, carbide tipped with toughened and hardened steel shank and bright finish, single cut flute style with medium spaced edges for grinding a countersink location into the flattened surface of a broken bolt in steel and cast steel and ferritic, martensitic and austenitic stainless steel


Hard Material (Solid Carbide)

Spot Drill Point 150°

Bolt Removal Cut Geometry

Dormer Standards

Bolt removal operation 2 - Primary use
EAN number | 7320760886298 |
Product number (SAP) | 86035585 |
Ordering code ANSI | P10110.7 |
Gross weight - grams | 25 |
Cutting diameter - millimeter (DC) | 10.7 mm |
Connection diameter - millimeter (DCON MS) | 6 mm |
Usable Length - millimeter (LU) | 5 mm |
Overall length - millimeter (OAL) | 50 mm |
Bolt size | 1/2-13; 20; M14 |
ISO | P10110.7 |
- Ground finish to prevent work material from sticking to the the cutting edges
- Part of a range of burrs designed to prepare the surface of broken bolts to improve drill location and prevent damaging the threaded hole and component.
- Bolt removal burr that creates a centerpoint into the flanttened broken bolt.
- Micrograin Carbide providing extreme hardness and wear resistance providing increased tool life when machining difficult materials