We have produced #11 x 2 1/8 Cobalt 1/4 x 28 Threaded Shank Bit from industrial grade NAS 965 cobalt steel, 135-degree split points penetrate on contact and prevent “walking”. Bits have superior hardness for high-temperature applications and we have designed them for hard, tough, high strength materials. Significantly longer life than regular high-speed bits. All threaded bits are 1/4″-28 threads. All bits made in the USA.
Length: Long (2 1/8″)