Features:
These deburring external chamfer tool can be used for repairing damaged bolt and tightening the nuts in place.
The material of these tool is high quality stainless steel, durable and hardness. suitable for all kinds of chuck drills.
Can be used for 8-32 bolts (.164) up to 3/4″-10 (.750) - (4mm -19mm). threads and non threads stock are all available.
Using the lowest speed on the drill bit and then applying pressure slithtly to remove the burr. safe and efficient.
The universal size and the simple design make it easily to carry and hold in your tool pouch. handy enough to use and start repairing.

Specification:
Type: Remove Burr Drill Bit
Material: Stainless Steel
Inner Ring Diameter Size: 22mm/0.87"
Outer Ring Diameter Size: 28mm/1.1"
Fit Size: 8-32 Bolts (.164) up to 3/4″-10 (.750) - (4mm -19mm)
Shank Size: 1/4'' Hex Shank (6.35mm) & 7mm/0.28'' Triangular Shank
Length: 50mm / 1.97''
Color: Silver

Package Included: 1* Deburring External Chamfer Tool

Notes:
1. Recommend use a little lube before you grind the burr off.
2. Size for manual measurement, there may be a 1 to 3 mm error, belongs to the normal phenomenon.
3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!