Start using the Quick Change countersink system, and you'll wish your drill bits were quick change too. With these innovative adapters, they will be. A spring steel collet in each adapter securely grips the bit when the nut is tightened. That means you can use a range of drill sizes in each adapter - important if you use letter, number, or metric series drill bits. Most important, if you happen to break a bit (it can happen) just loosen the collet, insert the good half, and continue working! Individually, the adapters do not include the drill bits - purchase those separately. Fractional size 5/16". Number size N. Metric size 8. Made in the USA.
|Product Group||Bits Blades & Abrasives|
|Category||Drill Bit Accessory|
|Sub-Category||Drill Bit Accessory|
|BRAND NAME||Make It Snappy|
|SHANK TYPE||HEX, ball detent|
|Drill Diameter||5/16 in.|