Our company provide all sorts of pilot bits for HDD pilot hole drilling,for example,single cone pilot bit, tri-cones teeth roller cones pilot bits and eagle claw pilot bits. All bits have high quality and low price. 118-311 mm（4 5/8＂－12 1/4＂）size is available.

1.Eagle claw pilot bits size: 4 1/2",5",5 1/2" are available.

2.Roller cones pilot bits size as list: 4 5/8＂－12 1/4＂.