.Size: 6 , Overall Length: 5" Plain type combined drills and countersinks are used to producing center hole in workpieces which require precision drilling or machining between centers.
Hand Tap and Drill Set comes in an easy to maintain plastic pouch. Black oxide high-speed steel dill bits are ideal for production, maintenance or portable drilling jobs and are surface treated with abrasion-resistant black oxide. Hand taps are also appropriate for tapping the vast majority of materials in through or blind holed conditions.